Nsg370 gear ratios About Us; Our ZMNSG370-16A - USA Standard NSG370 Manual Trans for 2012-2018 Jeep Wrangler with 31-Tooth Input. FWIW, I did run 4. 56, unless I’m not understanding gear ratios. 71:1 crawl ratio gear driven speedo 2003-2006 – NV241 Rock-Trac; rubicon only fixed yoke 4. 61 used in the Jeep applications. High Gear Transmission · The 2005 Jeep Liberty features the NSG370 six-speed manual transmission, replacing two, five-speed manual transmissions previously used - the NV1500 and NV3550. Quality manufactured by industry leader Transolutions, you won't find a better deal on a Muncie gear ratio for wide-ratio transmission parts. 46, which would be FYI I am on my 3rd NSG370 on my '05 LJ and I only have 36,000miles. AX-5 MANUAL TRANSMISSION; AX-15 MANUAL TRANSMISSION; NV-3550 Manual Transmission HIGH GEAR TRANSMISSION; NP-271D Transfer Case; NP-273D Transfer Case; CONTACT US. 04:1 ratios of the five-speed transmissions it replaces, for improved launch and traction. 56 is 2850. NSG370 Transmissions At Wholesale Prices All gears are helically cut. BTW I use Penz. 0? The 6 speed seems to have more problems with the 3. Putting in a different transmission will not change your axle gear ratios. 73 vs 4. I have heard the slight rattle for the past few months, but did not hear it when I first bought the jeep about 2 years back. The thought of going to a wider ratio 5 spd (AX15) doesn't appeal to me but is currently plan B if I Getrag developed the NSG370 as a top-shifted aluminum-case unit. 89. 56 if not planning on going any larger with the tires. 19 × Axle Gear Ratio ÷ Actual Measured O. 10 is the exact same final drive ratio as 6th gear and 4. 00 0. D. Chris Administrator. The AX15 is fully synchronized in all gears. 0l, the NSG370 6 speed, 35" tires and 5. Garage Customer Service Center Gear Ratio; Back to Main Menu Warranties. 8 due to harmonics on the jk. 83:1 first gear (like the AX-15 that has a similar 1st ratio with my trans) might be a little more favorable as the slightly higher axle ratio (from my 4. The new AX15 from Novak is the way to go. 22. 5" Rubicon Express lift, JKS 1. 8:1 main ratio (10. High Range-Low Range-Step 4: Enter axle gear ratio. 61 Ratio, NV17272 For a comparison, a stock TJ Rubicon with NSG370 will do 2700 RPM at 70 mph in 6th gear. 72 X 3. See our other listings for 6. Lbs. Speedometer teeth = 262. 61:1 (later and most common units) and a gear span of 6. 10s and 31s. Both calculated with the 6speed. NSG370 Gears; NSG370 Input Shaft; NSG370 Seals; NSG370 Shifter; NSG370 Sliders; NSG370 Small Parts; NSG370 Synchronizer Rings; NSG370 Shift Forks; NSG370 Diagram / Drawing; T56 1st Gear (39 T) Close Ratio (Tag # s 015, 019) (Corvette Except Z06) 1386-081-008. Gear ratios seem perfect for me and it shifts great now. 34:1 (early units) and a gear span of 7. 3:1 (11. 88s and 35s. Gear ratios for the AX15 are: 3. 00, 5 th 0. A 4. 0L, 6 Speed | RMTNSG370-2 | RANDYS Worldwide. I don't use it for Rock Crawling and I am will to accept the gear ratios in the AX15 for how I use it. 72 4th 1. That's exactly how 6th will feel with 4. 0/NV4500/NP231HD w/JB Conversions super short SYE, 4. 72. 0-liter I6 and 3. 79 and feels pretty "right" based on the gaps between the other gears. It uses a 10W30 or automatic transmission fluid weight manual transmission fluid. 84 NVG3550: 4. Only real difference from 5 speeds. people complain like crazy about the . The Jeep NSG370 manual transmission is the replacement for the NV3550 having the same strength and the NV1500 which is the lighter duty. 88 gears = 4. So, I apparently lost 2nd gear and reverse, physically in the transmission. Weakness is from 4 areas: 1. We provide an out-the-door price, with shipping, for a replacement remanufactured NSG370 transmission direct to the repair shop. The two-piece aluminum case with integrated bell housing provide strength and light weight. 1 The new First-gear ratio combined with six-speed step spread allows optimization of axle ratios for fuel economy and performance. For the finest in quality and affordability, USA Standard differentials, axles, driveshafts, and ring and pinion after-market parts are better than OEM Replacement. Think about it this way. The thought of going to a wider ratio 5 spd (AX15) doesn't appeal to me but is currently plan B if I can't Hey all, New guy here, Know there's several threads about re-gearing and general consensus seems to be that 4. 10's) would be nicer. 000 The six forward speeds have ratios: 5. My second gear is NSG370 and 4. 10 axles, and also better than the old auto with 5. High Range-Low Range-STaK Range-Step 3: Select underdrive. 00, and so the NSG370 has an extra gear that allows for tighter spacing between the first few gears. "Because Jeep vehicles are designed to perform in a variety of challenging off-road conditions, the NSG 370 six-speed manual transmission has a unique gear Gear Ratio; Applications; Diagram; OTHER TRANSMISSIONS. 56 gears and the nsg370 are perfect for 35's, mine goes 70mph at about 2700 rpm. Gear Ratio Question. 73 to 4. 6th Gear Ratio/Max RPM/MPH: 0. 23 spline output shaft. It doesn't like slamming gears or fast insistent shifts, especially from 1st to 2nd. 88, you have two usable freeway gears, 5th and 6th. 06:1 Overall Top Gear 2. 7L, 6 Speed, 4WD Hi all. for your needs and desired tire size i'd go with 4. 61, 1. Length: 23 1/2 Gear Ratio; Back to Main Menu Warranties. 54 TRANSMISSION: NSG 370 MANUAL, SIX-SPEED WITH OVERDRIVE Availability Standard — all models Description Synchronized in all forward gears and Reverse, multi-rail shift system with top-mounted shift lever ZMSRNSG370-14A - USA Standard Manual Transmission NSG370 3rd & 4th Synchro Ring Blocker Mercedes. 83 Reverse 3. Also included is the 5th gear slider and keys and springs. Related Items: T56 3rd Gear Wide Ratio, TUEN1124 If you are using different size tires and/or different gear ratios than are listed above, you can use this simple formula: Speedometer teeth = 270. Gear Ratio; Back to Main Menu Warranties. 5 GY Duratracs, Bestop Tire Carrier. It is Jeep’s first six-speed manual transmission and Chrysler’s second after the Dodge Viper T-56. ZMSRNSG370-14A - USA Standard Manual Transmission NSG370 3rd & 4th Synchro Ring Blocker Mercedes Gear Ratios 1st 3. 1st Gear 3nd Gear Ratio/Max RPM/MPH: 1. Buy here and get the best NV4500 gear set available. Gear Ratios 1st 3. 79 6 speed gear ratios: You are correct. the 6 speed is a little different than an ax15/nv3550 because its overdrive is only . ZMSEA5347 - USA Standard Manual Transmission NSG370 Rear Seal 4WD 2005-2010 Jeep Wrangler. 21 standard Sport and Sahara, 3. 0:1 low-range gear ratio. This was based off other posts and also using the gear calculator on Grimm Jeeper. Our Tire Height Calculator and Gear Ratio Calculator can be used for the first to attributes but the user’s knowledge of the transmission ratio is assumed. mrblaine Crew Member. Please note the NV4500 comes with 2 different 5th gears so check your ratio to make sure you ordering the correct gear. Gear Ratios (Jeep Gear ratio: 4. It is quite equal and corresponds to the NP231 The New Venture Gear 3550 was released in the Jeep TJ Wrangler and XJ Cherokee in 2000, It's last year in the Jeep was 2004, after which it was replaced by the NSG370 six-speed. 00 . 55 ratio. 723 4th – 1. There are even other ratios that exist for the NSG370. You can get most of these from the Jeepiki. But if you're on a hill, or trying to rock out of a tough spot, the synchronized reverse on a good NSG370 is a really nice thing to have, when it works right. I barely get to 10-12 mph and I'm at 2800 RPM. at MN. 50"Bolt Pattern: Name: BA10-5Speeds: 5Case Length: 24. 61-1; 3rd gear – 1. Related Items: NV4500 4th Gear Counter Shaft 38T 5. Gear ratios for the NSG-370 are: 4. 8-liter V6 . The transmission contains two overdrives to improve highway fuel economy. The top-of-the-line edition Rubicon Wrangler (base MSRP $27,775) are fitted with heavy-duty Dana 44 front and rear axles and the company’s off-road crushing Rock-Trac NV241 two-speed transfer case with a 4. 29:1. 34 ratio and the other with a 5. The Chrysler NSG370 is a six-speed overdrive manual transmission sourced from Mercedes and built in the Stuttgart Transmission Plant. It allows sightly higher gearing than a 5 speed as you have the option of turning granny gear into more of a The Chrysler NSG370 is a six-speed overdrive manual transmission sourced from Mercedes and built in the Stuttgart Transmission Plant. A high gearing ratio can cause alarm bells for investors, as it could indicate a company is operating in an unsustainable manner. 585 posts · Joined 2018 Add to quote; Only show this user #4 High Gear Transmission · Hardened gears allow for quiet operation. This calc can be used to find a new gear ratio. My rig has the 4. Share & get ideas with our builds, articles, reviews & more. If I can keep the PCM from going into limp-in mode (which it will, eventually), it will shift correctly into 1st gear, then act like it's in neutral when it attempts to go to 2nd gear, then will actually (sometimes) shift into 3d gear. Factoids: Replaced NV3550. 56, 4th also becomes significantly more usable. most noises go away after it warms up, but 2nd gear was staying pretty consistently noisy under load. 5th Gear Ratio/Max RPM/MPH: 1. Blog; Install Manuals; News; Glossary; Technical FAQs USA Standard Gear manufactures a full line of top-quality transmission parts. Transmisison Gear Ratio Chart Gear Ratio; Warranties. 72, 1. which is more attractive to me than a higher 5th since I just swapped an ax in place of an nsg370 and lost my very nice 4. 831:1 3- 1. And that the ratio across the second gear set is 40 over 10 or 4 to 1. NSG370 Manual Transmission; 5th / 6th Clutch Gear; Proven manufacturing technologies provide top quality products Rocker Guard Comparison Chart - Final Differential Gear Ratios - Oxygen Sensor FAQ. I’ve seen speculation that it’s used in some Mercedes transmissions, and even that it could have been the 2. 23545ZR-1 235 x 045 x 2 254 17 25327 And heres a. 88 gears, Tom Woods drveshafts, 35" BFG KM3's, WFO boomerang shackles, Warn XD9000 winch, Doug Thorley header, JBA mid pipe, Borla cat I've never had an NSG370 pop out of gear, and not once had one grind going into reverse. I changed the fluid from whatever the previous owner had in it to Redline MTL and it The Grimm Jeeper gear ratio calculator mentions a wide ratio NSG370 with a 5. 73 gears 1996 @ 60mph and 2328 @ 70 mph 265/75r16 with nsg370 with 4. I know I have the N2550 currently, but I also got word on a 6 speed near me with low miles for a killer price. This information can be used to determine the ratio across the entire series of gears. Ride of the Month Winner. ZMNSG370-12A - NSG370 M/T 1ST GEAR . Joined Aug 15, 2023 Messages 65 NSG370 to 42RLE swap questions ChadH; Jul 28, 2024; TJ General Discussion; Replies 12 Views 445. 86 drive ratio NSG370 and 4. 46:1 first ZMNSG370-80 - USA Standard Manual Transmission NSG370 1st & 2nd Synchro Assembly 6-SPD. 8L V6. It is quite equal and corresponds to the NP231 and NP241OR transfer The Chrysler NSG370 is a six-speed overdrive manual transmission sourced from Mercedes and built in the Stuttgart Transmission Plant. Comes with Lower Shifter Tower and Reverse Switch already installed, making for an easy replacement. 32, 3 rd 1. Thanks in 5th gear and 4. 54 TRANSMISSION: NSG 370 MANUAL, SIX-SPEED WITH OVERDRIVE Availability Standard — all models Description Synchronized in all forward gears and Reverse, multi-rail shift system with top-mounted shift lever Clutch Hydraulic actuation Gear Ratios 1st 4. Far more reliable, but the gear ratios are not as desirable as the NSG370. That analogy breaks down with the lower gears, but at least you get a trial run for 6th. Spotting Tips: All-aluminum case with extensive ribbing. The final gear on the five speed is . JKP TJ Addict. 459 2nd – 2. Vehicles with this transmission. 73's and a 3. Synchromesh now as it's what is "recommended". Below is the crawl ratios for each gear position using 4. 76 to 4. Comes with Lower Shifter Tower and Reverse Switch already installed, making for an easy The NSG six-speed manual transmission provides a 4. Transmisison Gear Ratio Chart RMTNSG370-12 - Zumbrota Remanufactured NSG370 M/T for 2012-18 Jeep Wrangler, 3. 46 ratio is a decent 1st gear ratio but not too low leaving you holding up traffic until you grab second. 88 seems to low for the 4. Oh the gears ratios are different between them, the 904 series is a 2. Make sure when ordering your gears that you're selecting the correct one. The NV3500 is a 5 speed manual transmission found in various Chervolet, GMC, and Dodge pickup models. If change the order to a 4. 8:1. About Us; Our Brands; Our History; USA Standard Manual Transmission NSG370 5th & 6th Synchro Assembly Chrysler/GM ZMNSG370-50 (70455) In Stock. High stress driving will repeatedly increase the temperature of your transmission, eventually breaking down the stability of the gear oil in your car. Sign In Create Account. For 37s, you're going to ZMSRNSG370-14E - USA Standard Manual Transmission NSG370 5th & 6th Synchro Ring (Early Models) ZMSRNSG370-14E - USA Standard Manual Transmission NSG370 5th & 6th Synchro Ring (Early Models) Gear Ratio; ZMNSG370-50 - USA Standard Manual Transmission NSG370 5th & 6th Synchro Assembly Chrysler/GM. Thread starter JerryD; Start date Aug 22 Right on! I remember when I re-geared to 4. Mine grinds into 2nd, 3rd no matter if its cold, warm, been driving for a while whatever it does it. 40, 4 th 1. So next time you're on the freeway, leave it in 5th gear. Comes with Lower Shifter Tower and Reverse Switch already installed, making for an easy Remember that the 1st gear is improved on both new transmissions, so responsiveness and feel would be improved of the line and getting tires moving, but the system load at 1:1 @ speed (65 or 70 depending I've got an old NSG370 from a 2. 85 first gear ratio, and I have stock 4. 01/2. At 60-80 mph: 6th: cruising gear 5th: torque gear 4th: power gear As gear ratios increase toward and into overdrive ratios, the HP requirement also increases. Shop here for the best-quality parts, the best prices and the best service. The NSG-370 features six speeds with a direct drive fifth gear and an overdriven sixth gear. 56 gears 2440 @ 60 mph and 2846@ 70 mph. 73 = 45. Question is would i be making a mistake going to the 6 speed and does the nsg370 suck that bad on the 4. All gears are helically cut. 17s to turn 35s at the same RPMs as the 05-06 NSG370 (manual) with 4. THe NSG370 has the most desirable 1st gear, while the NV3550 (2000-2005ish 5-speed) has the most desirable top gear, IMO. Gear has 51 Teeth and is for the 5. 25" body lift, Dana 489's w/OX lockers 4. 94, 4. 25 5th 1 The AX15 is a split-case, top shifting, overdrive transmission with the shifter being located in the rear section of the transmission. jku007fl. I just drained and refilled with Redline and the noise is still there. 56s: 0. Pair it with Redline MT90 and a B&M shifter and it's a pretty sweet gig. 78 so maybe adding the sixth gear at Tire Size Gear Ratio Charts. if I swapped in anything from Toyota it would be a 4. 83, 2. 54 TRANSFER CASE: NV241 COMMAND-TRAC® Type Part-time Operating Modes 2WD High; 4WD High; Neutral; 4WD Low Low-range Ratio 2. 88 gears = 3. It is a close-ratio transmission, meaning the gear ZMNSG370-36 - NSG370 M/T REVERSE GEAR 6SPD , 41 TOOTH. 56 and an nsg370. Gear Hardened gears allow for quiet operation. 4 in my wrangler with a 5 speed and of course a np231. I actually do better at higher speeds/highway now with 4. ZMBK478 - USA Standard Manual Transmission Bearing Kit NSG370 2005-2014 Jeep. 2006 TJ Sport Red I reached out to Zumbrota a while back to see about changing gear ratios in the TJ to ones used in the Mercedes SUVs or the overdrive in the late JK. 10 optional Rubicon Overall Top-gear 2. 73 Axle: Dana 30 & 35 Tire: BFG KO2 32x10x17 (275/70R17) I've researched the internet like crazy on this subject, been all over this forum and I thought I figured out that I wanted to upgrade to a 4. I love the gears off-road and especially the low ratio 1st gear, but when I So, follow along as we talk about why we hate them, what you can find them in, break down the gear ratios, and tell you how to identify them. Since there is a limited amount of HP available from the powerplant, and the rear wheel HP (engine HP less driveline requirements) is even more limited, the curves of required HP and available HP will eventually cross. 014:1 2- 2. Thread starter Sean B; Start date Nov 18, 2024; Sean B Member. I've been lucky so far So I was bored and put together a list of crawl ratio differences between the AX15, NV3550 and NSG370. It features a light weight, two piece aluminum case with an intregated bellhousing. ZMSRNSG370-14A - USA Standard Manual Transmission NSG370 3rd & 4th Synchro Ring Blocker Mercedes. 43:1 first gear. The superior First gear ratio and incredible strength of the TREMEC TR-4050 5-speed manual transmission has made it a desirable upgrade not only for the Jeep Wrangler, but also many Hardened gears allow for quiet operation. 789:1 4- 1. 80 drive ratio AX-15 and 4. 79. About Us; Our Brands; Our ZMBK478AWS - NSG370 M/T BEARING KIT '05-'12 JEEP W/SYNCHROS, SPRAYED LINING ON 5-6. Transmission Type: Chrysler. 88 axle ratio for the AX15 and NV3550 then 4. I wish I could have all of the qualities of the AX15 paired with the gear ratios of the 6 speed. Their thought is that the internals would not be compatible. Gear Ratio; Back to Shortly after changing the fluid on my transmission 6 months ago, I started hearing a gear whine that has gotten progressively worse. 16 1st gear, compared to the standard 4. 78 OD X 4. Yukon Warranty; YES Plan Registration; Back to Main Menu Knowledge Center. 4L ratio but nothin concrete. 46 vs 3. The NV4500 transmission, for example, featured two different NV4500 5th gears with different gear ratios; one with a 6. 10 ratio for the NSG370 AX15- The last I looked a rebuilt NSG370 cost around $2000 and then add in the cost of a flywheel and clutch you are looking at another $1000 to $1500 dollars, so it is $3500 or so. 79, for FWIW, I don't love the NSG370 but except for the reverse problem, I find it easy to live with and the ratios are decent. 88s. My RPMs at 70mph with 4. $412. ZMBK478AWS - NSG370 M/T BEARING KIT '05-'12 JEEP W/SYNCHROS, SPRAYED LINING ON 5-6. _____ You need a license to buy a gun, but they'll sell Anyone a stamp (or internet account). 46/2. I have in mind using a NSG370 transmission out of a 2WD variant of a 2008 Jeep Wrangler with the 3. 28:1 2nd gear ratio; 1. The Rubicon also includes electric front and rear locking NSG370 Gears; NSG370 Input Shaft; NSG370 Seals; NSG370 Shifter; NSG370 Sliders; NSG370 Small Parts; NSG370 Synchronizer Rings; NSG370 Shift Forks; NSG370 Diagram / Drawing; Muncie M22 10 Spline Input Close Ratio Gear My 2. Driveline Type: Manual. 06. 46 2. TIRE SIZE CHANGE CALCULATOR. However the six speed has a lower first gear. 94:1 1st gear ratio; 3. Joined Nov 20 New Venture NV3500 and NV3500-HD manual transmission specs. I am satisfied with the ratio I've chosen due to the numerous hills and mountains that are part of the geography in SoCal. 6 valve trains. 44, 1. The AX-15's gear ratios are as follows: 1st is 3. Problematic 1st and reverse gears are replaced with new and tested gears; Comes with new input and cluster gear that have been tested; 100% Dyno Tested; 100% new and like-new internal parts; Constant quality control; Visit the post for more. AX-5 MANUAL TRANSMISSION; AX-15 MANUAL TRANSMISSION; NV-3550 Manual Transmission Memphis Transfer Case; HIGH GEAR TRANSMISSION; NP The NSG370 is a top-shifting, longitudinally-loaded transmission. so a tj on 35's with an ax15 and 4. 16 Final Drive Ratio 3. If you live in a more flat area, you'll be happy with a Hey guys. NSG370. 5th is the direct-drive gear and 6th is the overdrive gear. When the NSG370 was first put in Wranglers To get a number for the "crawl ratio" or "overall gear ratio" of the low range setting in 4WD, first gear of transmission, transfer case ratio (in 4Lo) and axle differential ratios are multiplied. But on 4. When I was at the replacement crossroads, the NSG370 gear ratios were a better fit for my use compared to the AX-15's ratios. 56 drive axle with weight and rolling resistance factored in using that decent 1st gear becomes even more paramount and equipment friendly. ZMNSG370-16A - USA Standard NSG370 Manual Trans for 2012-2018 Jeep Wrangler with 31-Tooth Input Gear Ratio; Back to Main Menu Warranties. AX-5 MANUAL TRANSMISSION; AX-15 MANUAL TRANSMISSION; NV-3550 Manual Transmission; NP-273D Transfer Case; CONTACT US. 0 with NSG370 (6-Speed) and 33’s. 78 NSG370 – 6-Speed Manual Jeep Wrangler: 2005-up Wrangler, 2004-up Wrangler Rubicon . Blog; Install Manuals; News; Glossary; Technical FAQs; Our Company. 72-1; 4th gear – 1. 39 1. I have a KJ CRD 2006 so this is why I was asking the question about a Diff coming from an XJ. NSG370 Gear Join car enthusiasts & DIY builders in our DIY auto build community. 46 first commonly seen. The factory NSG370 6-speed transmission found in the Jeep JK (2007-2018) was better, but there was still room for improvement in the eyes of Wrangler enthusiasts. 73 gears, my crawl ratio sucks as is. Thus, the reason I thought eventually I could run 35’s on. 10 gears. I considered swapping to the six speed at one time, but to take full advantage of it I would have also had to switch to 4. That’s done by multiplying the ratio of the first gear set by the ratio of Final Drive Ratio 3. Joined Aug 20, 2020 Messages 1,947 Location Another possible swap is to an AX-15. transmisson = nsg370 close ratio t case = np241 Sport editions roll with 29” tires on 16-inch wheels, while Sahara versions have 32” tires on 18-inch rims. It weighs 89 pounds, has a torque rating of 272 pound-feet, and has a total fluid capacity of 1. The only down side I can think of is that the NSG-370 has a beautifully low 1st gear (4. 96, its position against the heavy-duty four speeds (SM465, T18, SM420 or NP435) is not a lot better. 265/75r16 with nsg370 with 3. 6-speed NSG370 manual. Tags fluid lube manual transmission nsg370. 4th Gear Ratio/Max RPM/MPH: 1. 83 drive ratio NV3550 and 4. Gear Ratios Gear Ratio Table - NSG370: pro multis · About Operation CHARM · About Operation CHARM Transmission: NSG370 Gear Ratio: 3. 25 1. 25" used on Liberty 2002 to 2004 and XJ 97 to 2001 has 6 Ring & pinion gear set ratios from 2. 34 high ratio 5th gear kit. Awesome shifting qualities, improved synchro materials and heavier duty shaft and gear alloy makes the whole transmission great to have. 00, 5th is 0. 61 3rd 1. 88s with my NSG370 and I only regret not doing it sooner! I live in SC, but in the blue ridge mountain area and the inclines were killing me! I'm hoping the 37s will help my gas mileage (as I'm a little too deep for my current ZMNSG370-12A - NSG370 M/T 1ST GEAR . The NV3550 also has a higher (numerically lower) final gear, meaning you will turn lower revs in 5th with the NV3550 than you will in 6th with the NSG370. So looking at the gear ratios in the tremec is pretty interesting. 88s turns the same rpm as a tj with 4. The NSG six-speed manual transmission provides a 4. 72:1 Dark Mode; Light Mode; Menu Log in With 33's, a 6 speed manual, a non-rubi transfer case and 3. 25, 1. DoctorD · Premium Member. AX-15 gear ratios are 3. The NSG370 manual transmission is fully synchronized in all gears and has helically cut gears for all speeds. USA Standard Warranty; Back to Main Menu Knowledge Center. This results in a higher torque rating, making it more suitable for situations where torque is a priority. 84 Gear Ratio; Applications; Diagram; OTHER TRANSMISSIONS. The bellhousing-to-engine bolt pattern is identical, and there is a machined boss where the crank sensor goes. Going from 3. "The below table can be used to get a rough idea on gear ratios. 30:1 4th gear ratio; 1. So I was wondering how bad 35's would handle with this set up and weather or not, selling the 33's and getting 35's, is worth doing, due to the disadvantages I would suffer when in 4lo. Reply. I know it sounds far fetched and probably crazy but I was wondering if the gears were made to convert the gear ratios in the NSG370 six speed tranny to the ratios of the NV3550 five speed and add an extra overdrive gear. 4 has a 3. 10 drive ratio There’s about an 8% difference in the OD ratios between the NSG370 and NV3550. NSG370 Applications. The tremec has a really, really low 6. 0. 46 2nd 2. The 5-speed AX-15 transmission, found in some Jeep Wrangler TJs, has a lower gear ratio than the 6-speed NSG370. ZMNSG370-50 - USA Standard Manual Transmission NSG370 5th & 6th Synchro Assembly Chrysler/GM. Choosing the right axle ratio and tire size original ratio is a . 59 2nd 2. The other Chrysler 8. 74:1 6th gear ratio; Reverse ratio is 6. Transmission Code: NSG370. The NV3550 isn't bad (it seems to be a better choice than the NSG370), but when the NV3550 goes bad, most The NV3550 is about 10% stronger than the NSG370, with a maximum torque input of 300 ft/bs vs 272 ft/lbs. 5″ bolt pattern Steel fill plug 1997-2006 – NV231 Command-Trac; slip yoke 2. 4. 3 first gear from the 80's era 22R turbos but like your suggestion, I have yet to find an actual example I have pretty much decided to go from an NSG370 to an AX15 in my 2005 TJ Unlimited. Recognized as a fairly strong transmission when used properly. ZMBK478WS - NSG370 M/T BEARING KIT '12-'18 JEEP W/SYNCHROS, BRONZE LINED 5-6 RINGS Gear Ratio; Back to Main Menu Warranties. 73 Axle . 88 is much closer than 3. Reactions: Spike Strip. 46:1 First-gear ratio, versus the 3. While normally I would advocate for a deeper ratio, consider that the NSG370 is a bit different. I have 3. This is my first JF post. 2006 TJ Sport - DPG Ultimate Kit w/OME SS, 33x12. 0 and the bell house is integrated into the NSG370 the 6-Speed NSG370 seems to have pretty different gear ratios! Its a 5 speed with a granny first. 614 3rd – 1. The first gear set is 30 over 10 or 3 to 1. The 3550 is a takeoff from the New Process 3500 as found in smaller GM truck applications, though all external case features are different. You can count on USA Standard Gear to fulfill all your transmission, differential, and general replacement part needs. 73 standard on Rubicon, 4. FWIW, I don't love the NSG370 but except for the reverse problem, I find it easy to live with and the ratios are decent. Supporting Member. Blog; Install Manuals; News; Glossary; Technical FAQs The Wrangler Rubicon model features heavy-duty Dana 44 front and rear axles and a Rock-Trac NV241 two-speed transfer case with a 4. 00:5th gear ratio; 0. 10's on 29" tires. 70 double low), the final drive ratios pretty much look the same as the NSG with 3. 16 Axle Ratio 3. AX-5 MANUAL TRANSMISSION; AX-15 MANUAL TRANSMISSION; NV-3550 Manual Transmission; NV-4500 MANUAL TRANSMISSION; MT-82 TRANMSISSION; T-56 MANUAL TRANSMISSION; Memphis Transfer Case; HIGH GEAR TRANSMISSION; NP-271D Transfer Case; NP-273D Transfer Case; This wide-ratio gear kit, M22W-26, has a 26-spline input and is what you want for your application with wide Muncie M22 gear ratios. 61 high ratio. 84 6th gear in the later JKs, and certain European applications have a 5. 79, and Reverse is 4. The one used on Liberty 2005 to 2013 (C213R/C213RE) they make only one Ring & pinion gear set in a 3. Submit your custom build! The NSG six-speed manual transmission provides a 4. 249376 or ~ 45:1 A note on auto transmissions, the calculated crawl ratio understates the effective ratio since the torque converter doesn't lock up at idle or just off idle, and so The NSG370 is just a bad design and it eats it's self like 3. 88s:. Thread starter OutdoorEd; Start date Jun 7 the driveshaft hit the pan and I think the accumulator that was larger on a 727. So not significant, but noticeable Starting from 1st gear, their ratios are: NSG370: 4. honestly, 4. For the cost I have from each Gear Ratio; Applications; Diagram; OTHER TRANSMISSIONS. I think you’d surpass 3000 with 4. 88’s. Save Share Question is would i be making a mistake going to the 6 speed and does the nsg370 suck that bad on the 4. Reactions: FarFire70 and Tob. 46 first gear. 56 is best for 33's with the 5 speed. 569:1 However, I noticed this is not what's stated in Gear Ratios: 1 st 4. Gear ratios: 1st – 4. 19 3rd 1. 44, 4th is 1. Blog; Install Manuals; News; Catalog & Transmission fluid question for NSG370. The colors represent ideal RPM's at highway speeds (65). [1] It is Jeep's first six-speed manual transmission and The NSG370 features a two-piece aluminum case with integral bellhousing and is available with the following ratios: 1st gear – 4. ZMSRNSG370-14 - USA Standard Manual Transmission NSG370 Synchro Ring 1st & 2nd Blocker Mercedes NSG370, 35" tires, 4. 56 gear ratio. Gear Ratio; Warranties. 01, 2 nd 2. 71 and 5. 83), but I have a unique opportunity in that I just ordered an Atlas 4 with the 3. 9 quarts. 56 or 4. Joining Chrysler Group’s six-speed manual transmission family is the Getrag 238 six-speed manual featured as standard equipment on the all-new 2005 Dodge Dakota and 2005 Dodge Ram 1500. 46 X 2. 10 Tru-Lok selectable pneumatic locker, limited slip when unlocked WMS to WMS: 60. " NSG370 Gears; NSG370 Input Shaft; NSG370 Seals; NSG370 Shifter; NSG370 Sliders; NSG370 Small Parts; NSG370 Synchronizer Rings; NSG370 Shift Forks; NSG370 Diagram / Drawing; Muncie M22 26 Spline Input Close Ratio Gear Enter the ring and pinion gear ratio, tire height, vehicle speed, and transmission ratio, then click Solve to calculate engine speed (rpm). It has more overdrive than the Jeep 6 speed (NSG370). AX-15 gear ratios: 3. Compatible with 4. 73s and 30s and 100 more rpm than a stock rubi with 4. 84 for first through sixth ZMSEA5347 - USA Standard Manual Transmission NSG370 Rear Seal 4WD 2005-2010 Jeep Wrangler. The overall 6-speed gear-ratio spread is intended to bring better fuel economy as well. 256:1 5- 1. 13 axles. 88 gearing? Jump to Latest Don't worry, at 65 you will only be running 300 more rpm than my stock ratio of 3. 41 4th 1 5th 0. The NV3500-HD, found in the 1994 to 2004 Dodge Dakota, features a slightly higher input torque capacity than the Which axle gear ratio did my Jeep Wrangler TJ / LJ come with? If you need help determining which gear ratio you currently have, see this thread here: @Chris, 4. Blog; Install Manuals; News; Catalog & Brochures NSG370 Manual Transmission for Jeep 2005 Wrangler 4. 69 from the 42RLE so I don't think i'd want to go lower. 0 with 3. 5″ 5 on 4. 33, 1. 56 gears = 3. Blog; Install Manuals; News; Glossary; Technical FAQs Transmission 1st gear ratio X transfer case ratio X rear axle ratio = Crawl Ratio For your Jeep using Goodysgotacuda's ratio for 1st gear: 4. Since your 1st gear is problematic, most likely you will need a new shift tower also. 01 2. 83 1st/2nd gear ratio instead of the 4. NSG370, 2. 000:1 6- 0. 828:1 Reverse 4. 98:1 3rd gear ratio; 1. Quantity. Blog; Install Manuals; News; Glossary; Technical FAQs; Back to Main Menu NSG370 Manual Transmission for Jeep 07-10 Liberty & Wrangler 3. 01 first compared to the 4. if i'm in gear and just coasting with the clutch pedal in, trans makes some crazy sounds. 88. Use our gear ratio calculator to calculate your new gear ratio and rpm. Add to Cart View USA Standard Manual Transmission USA Standard Gear manufactures a full line of top-quality transmission parts. This helps the driver keep the revs a little closer Gearing: The NV4500 has an initially attractive overdrive gear, but with a low gear of only 6. Gear Ratios (Jeep): (x-to-1): Transmission Strength: The strength of the NSG370 is great, and the manufacturer says its input torque capacity is 272 ft. 84 OD X 4. Reactions: il buono , Chris and DWR ZMBK478WS - NSG370 M/T BEARING KIT '12-'18 JEEP W/SYNCHROS, BRONZE LINED 5-6 RINGS. I have emailed both Advanced Adapter and Novak about cost and compatibility. 8. Mine will be 4. 00, 0. Those two gears now act like neutral. 6 than the 3. 00-1; 6th gear – 0. 73:1 and the 727 is a 2. . 8L, 6 Speed | RMTNSG370-9 | RANDYS Worldwide. 72 1. 25-1; 5th gear – 1. 25. 33, 3rd is 1. 13 gears. 4 sitting in a barn a couple states away and always wondered if they were actually different ratios, given the case is actually different with a different bolt pattern and the 4 banger the last couple Regearing the 6 Speed NSG370. If you don't put it all the way into 1st or Rev. 54 TRANSFER CASE: NV241 COMMAND-TRACTM Type Part-time Operating Modes 2WD High; 4WD High; Neutral; 4WD Low Low-range Ratio 2. Original poster. Ride of the Month Winner But 4. 56's and 35's. you are unable to use NSG370 from a JK because it doesn’t bolt up to the 4. 79 Note that the second to last gear in all is 1. 79 6th gear is used in place of an 0. The NSG370 does have the benifit of a noticably lower 1st gear though. Reverse Ratio: 4. 78 AX15: 3. 61 ratio. I've tried all the fluids, nothing. 72 TC, 3. 83, 2nd is 2. 29 × Axle Gear Ratio ÷ Advertized Tire O. Joined Jul 30, 2005 · 10,813 Posts #77 All things equal, the AX-15 in the earlier TJs is actually the most desirable manual transmission it would seem. 56's and 33 inch tires with my NSG370 and I found it to be great off road since the gearing was low IMO. 07 differential gearing, 31" tires, street & My experience with the NSG370 6-speed is generally good. Blog; Install Manuals; News; Catalog NSG370 Gears; NSG370 Input Shaft; NSG370 Seals; NSG370 Shifter; NSG370 Sliders; NSG370 Small Parts; NSG370 Synchronizer Rings; NSG370 Shift Forks; NSG370 Diagram / Drawing; Muncie M22 10 Spline Input Wide Ratio Gear Gear Ratios: Automatic 1st 3. the NSG370 6spd does have O/D, its the 6th gear. 46, 2. 56 would be substantially Its main redeeming quality is its gear ratios. I currently (and unfortunately) have a 2. JMT Project Junkie. 79 OD X 4. The fluid came out clean like I just put it in. If you drive an automatic your RPMs will be slightly higher, and the opposite is true if you have overdrive (your RPMs will be slightly lower). It either goes, or doesn't, and you need to cycle the gears to line her up. NSG370 vs 42RLE. 56 no matter what transmission is in my Jeep. 10 is not going to be a significant difference and in my opinion is not worth the money. 33 1. Blog; Install Manuals; News; Glossary; Technical FAQs NSG370 M/annual Transmission 2005-08 Jeep Liberty, 07 Nitro, 3. 72:1 Enter the ring and pinion gear ratio, tire height, vehicle speed, and transmission ratio, then click Solve to calculate engine speed (rpm). Much smoother and less notchy in higher gears. Add to Cart. The noise is definitely in the Gear Ratio; Back to Main Menu Warranties. A 0. 2005 - 2008 Jeep Liberty; 2005 - present Jeep Wrangler; 2004 - present Jeep The NSG370 does not use standard gear oil for lubrication. 10 spline input shaft. With 4. Axle gearing is simply a function of engine, transmission, and tire size. Gear Ratio; Applications; Diagram; OTHER TRANSMISSIONS. 34 for double low). It has a 1-1/8 inch 10-spline input shaft, and the Jeep NSG370 transmission has a it's also made some funky noises in the morning while engaging and disengaging, and also while coasting down the hill i live on. 46-1; 2nd gear – 2. Jump to Latest My gear ratio calculator. 84 as opposed to the ax15's . TJ General Discussion Jul 30, 2024. Save Share Reply Quote Like. Lastly, it has 2 more gears before OD, so the RPM drop between gears is reduced considerably compared to the 42rle, helping the engine stay in its powerband. 61 1. NSG370 Manual Transmission; 5th / 6th Clutch Gear; Proven manufacturing technologies provide top quality products ZMBK478 - USA Standard Manual Transmission Bearing Kit NSG370 2005-2014 Jeep. Be certain you select the correct one, since they are not 1987-2002 1987-1989 1989-1999 Name: AX5Speeds: 5Case Length: 22. In a modified version like above with 36"s and a 4. 56 vs 4. The NSG370 also makes use of a much lower first gear, which is awesome for crawling. These calculations are assuming a manual transmission with a 1:1 ratio. USA Standard Warranty; Knowledge Center. 245 5th – 1. ZMNSG370-80 - USA Standard Manual Transmission NSG370 1st & 2nd Synchro Assembly 6-SPD. Remember that to see the full picture, gearing ratios should be compared with the industry average. Chrysler - Crossfire ; Jeep - Liberty KJ A 4. NSG370 Gears; NSG370 Input Shaft; NSG370 Seals; NSG370 Shifter; NSG370 Sliders; NSG370 Small Parts; NSG370 Synchronizer Rings; NSG370 Shift Forks; NSG370 Diagram / Drawing; T56 2nd Gear (43 T) Close Ratio (Tag # s 015, 019) 1386-082-006. 6L, 6 Speed, 4WD It was posted in a couple different threads here that the NSG370 is the tranny used in the 05 and these were the ratios given: 1- 5. 85:1 and 4. If you do the math, you need 6. 07 club with stock Dana 35 and 33's. 10, 4. Thread starter JMT; Start date Apr 5, 2018; JMT Project Junkie. Is the same true for the 6 speed? Currently in the dreaded 3. If you regularly tow, drive Step 2: Select transfer case from the drop down list or, if it's not in the list and you know the gear ratios of your transfer case, enter them below. Blog; Install Manuals; News; Glossary; Gearing ratios can be an important type of metric for investors to look at when considering investing in a company. I am wondering if the infamous rattle/noise that is heard in the NV3550 tranny, when the clutch is depressed, is also common on the NSG370 6-speed tranny. 73 optional Sport and Sahara, 3. 10 axles and 31" tires (currently building axles so this is a far off plan), I could do with a taller 5th gear ratio. Blog; Install Manuals; News; Glossary; Technical axle gear ratios axle ratio axle ratios gear ratio gear ratios; The new ZF 8spd auto will have a better crawl ratio than the old NSG370 manual transmission and 4. remlwjudgoumunxsmydfchkfabmqlgarodzlylwsscdolajixqjbgb