Switching your rear end gear ratio helps your gas mileage or improves your power!. These rear differentials sell for over $1000 online. 1 Nos 350 Turbo,glide,and Manual Trans 373 390 Ratio Speedo Gear B0347-683xo. We have the most complete inventory of new, genuine, USA Made New Process Gear NP205 4x4 transfer case parts in the world. I like the strength you would get with the 203/205 combo, but it would be nice to have an extra ratio in there to choose from. Ford / Chevrolet / Dodge / NP205 Transfer Case Gasket Set. NP 241 Transfer Case, NP 243 Electric Shift. Any transfer case that was built by New Process Gear will be. I did some digging lat night while I was at work, as I will be doing again tonight. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models. New (Other) $50. 25 in (12 Bolt) CDN$ 876. You need to know two pieces of data: 1) You need to know what the tire size is. 6 bolt - one speed - two gear left side 6 bolt - one speed - two gear new process npg-1 pto model output rot. Im not sure what you mean by the 'white buffalo' phrase?The sm465 is a much stronger,heavier,lower geared trans than a t176. As a general rule, when dealing with two gears, if the drive gear (the one. Conduct the 10 mile test, remove driven gear (the gear that spins your cable), count the teeth, and then multiply the teeth times the subtraction answer from the test. NP205 205C 205 Transfer Case Rebuild Kit GM Chevy Dodge 1962 to 1989 BK205GDM. The standard wide ratio 435 had somewhere around 6. The NP205 gear driven transfer case is considered by many to be the king of bulletproof. You will need to check the metal tabs on the rear axle. I am thinking of buying an off-road camper from Lifetime Products. 3 in) Bilstein gas-filled shock absorbers, a 32 mm (1. TH400 article TH400 was first implemented in 1965 as GM's first 3 speed trans and saw production until 1991. There is no such gear as 3. Good "rule of thumb" calculation is to mutiply. New (Other) $50. Genuine New Process gears and shafts feature outstanding fit, finish, and durability so critical to high-performance NP205 applications and are unequaled for performance under the most rigorous operating conditions. 336 x axle gear ratio x speed Divide by tire height Multiply by OD ratio A 235/75-15 is 28. The TCI Web site features the following formula, applicable to GM, Ford, and Chrysler, to help you determine the correct number of drive gear teeth you need based on your drive gear, axle ratio. Gear reduction of NP203 gearbox: 2. The low range is 1. 1968-72 Gm A - $429. 50r17 wheels tr beadlocks hd17rc 17"x8. " The high-range ratio for the NP208 is direct, 1-to-1, and its low-range reduction ratio is 2. I originally designed the Speedo Gear Chang Calculator because I had bought oversized wheels for my truck. So 35 times 35 is 1225. I've read all of the info at Novak and am very interested in the Muncie SM420 for that low 7. 00 selling rear axle for 100. Dodge 3500 series pickup trucks between 1994 and later models with NV4500 5 speed transmissions are candidates for our new conversion package. Modified Tech. 88 inches tall by the math, but probably 28 to 28. Cheaper option is to go to the car-dump and search for the specific gearbox. 697 ratios $650 NP205 complete kit All gears and shafts are upgraded. SM465/NP205. For me, the NP205 is the best but the gearing is on the light side, but if I went chain driven, it would definitly be the 32 spline NP208. The TSK-205 re-seal kit is a combo kit and covers Che. The downside of the NP205 is its low-gear ratio (only 1. SCS Gearbox Quick Change 4x4 Transfer Cases feature an all-gear design with an all aluminum or magnesium housing for maximum strength and reduced weight. Some transfer cases have a block off plate installed on the top hole and are shifted via shift trails and a shift lever located at the rear of the transmission. The adapter kit includes an adapter housing, new long input with 32 spline, input gear bearing, gaskets, seal, fastening hardware and adapter instructions. The standard wide ratio 435 had somewhere around 6. Disadvantages: The NP205 has a gear ratio of 2:1 vs the BW1356 2. High-range is for normal-speed operation. 48:1 low range leaves serious off-roaders wanting more. NP205 transfer case is now for sale in refurbished condition online at the TransferCasesforSale. This allows you 5 degree increments to adjust your front output placement. The DANA300 Kit is 3. That required the NP205 to be disassembled and machined to accept the adapter kit’s 32-spline input gear with its larger bearing size of 3. 50 overdrive. 04 for 2nd, 1. 37 to 1), but you still have to go the trouble to fit the 205, and if I have to go through all that effort just to swap a three speed in, I would make sure my crawl ratio is as low as possible. Kecks Machine and Performance Design - 259 Mill Rd, Clarks Mills, Pennsylvania 16114 - Rated 4. 5" from front of 203 to ujoint center Overall weight of Doubler™ assembled with 203 and 205: approximately 240# Weight of Doubler™ kit: 24#. The low-range box serves only to reduce the gear ratio, while the regular transfer case provides its own additional low-range gearing along with front and rear drive. We have the most complete inventory of new, genuine, USA Made New Process Gear NP205 4x4 transfer case parts in the world. The transmission is a top loader design with a cast iron gear case and an aluminum shift cover. Both Ford and Dodge made good use of this T-case as well. If your looking for more power or performance, you would switch to a lower ratio. We can rebuild most units and we use OEM and high quality aftermarket parts. The NP205 transfer case is a heavy duty gear driven transfer case in a cast iron case. It's just backwards from the way we think, if you have a 4. nv4500 transmission 5th gear (counter shaft) kit with slider, keys springs 51t 5. Slide yoke onto front output shaft and torque lock nut to ft-lbs. I was curious what the options are for reducing the 4 low gear. ) Tire Height - Please use Inches when measuring; Speedo Revolutions Per Mile - The number of RPM's the speedometer needs to turn at 60mph. Some full-time systems are not a straight 1. These rear differentials sell for over $1000 online. 5" from front of 203 to ujoint center Overall weight of Doubler™ assembled with 203 and 205: approximately 240# Weight of Doubler™ kit: 24#. 88 Ratio A36446-12 to your wish list. Chrysler's New Process Gear of Syracuse, New York manufactured the rugged and reliable NP205 gear drive transfer case for 1969 to 1993 model year Full-size 4x4's. Main Speedometer Gear Page CLICK HERE. Has nothing to do with SCT. M715, I used a NV4500 from an early 98 3/4 ton CTD Truck and an NP205 from a 92 (5 speed Gertrag) 3/4 ton CTD truck. favorite this post Jul 5 1987 Chevrolet Semi Floater 8 lug Front and Rear Unknown Gear Ratio $200 favorite this post Jul 2 Np205 transfer case $400 (Newport). Wanted Parts/ Parts for sale. I've done the math and know what ratio I need, but I can't find the parts. The concept is fairly simple: take the gear reduction portion of one transfer case (the low-range box) and mate it to the front of a regular transfer case. So far as I know FSJ's only used the wide ratio but some CJ's got the close ratio. The suspension was also upgraded with 32 mm (1. Solve for your Transmission Ratio. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models. 68 granny gear. Wallace Racing BACK to Calculators Speedo Gear Calculator. I would go with the 3. It's gear driven, where the 203's a chain drive. There were even some 9. 05 granny gear. Wonderful prices on dodge sm a and other relevant items. GM NP205 Transfer Case. Muncie also had a second close-ratio transmission coded M22 and known as the "rock crusher," which was used behind performance big-block engines and in some Corvettes. NP205's came with a variety of input gears depending on application: 10 spline male: Common behind SM465 transmissions from the late 60's through 1984. com company. 9 based on 12 Reviews "Excellent quality and customer. We used this Laycock overdrive in our Class 7 off-road truck to get a competitive edge on our fellow racers. 96-02 Chevy and GMC w/4L60E, 4L80E trans-Diesel Engine, w/electronic speedo. I have an Np203 transfer case and I want a better gear ratio to get my RPMs down what can you use in its place It is in a 76 blazer? the gearing is usually between the 2:1 (NP203, NP205, Dana. 91 F350 CAT 3126 Engine Swap - Duration: 12:31. From product materials to the heat treating process, quality and satisfaction are our number concer. They were made for Chev, Dodge, Ford and IH from 1969. The most notable differences between the Bronco Dana 20s are the early version 66-72 known as the T-shift with 2. NP205's came with a variety of input gears depending on application: 10 spline male: Common behind SM465 transmissions from the late 60’s through 1984. Kecks Machine and Performance Design - 259 Mill Rd, Clarks Mills, Pennsylvania 16114 - Rated 4. Of course, with a 700R4, you really have plenty of options. Instead kill the engine, get the transfer case into gear, and restart. I like the strength you would get with the 203/205 combo, but it would be nice to have an extra ratio in there to choose from. Can anyone calculate what gear ratio I should go with?. i no that this isn't a 4x4 offroading site but has and one ever doubled a np205 with a np205. Some full-time systems are not a straight 1. 1970-74 Gm Cars Muncie M22 Wide Ratio 2. 25 in (12 Bolt) CDN$ 876. NP205 BASIC INFO The NP205 is a gear driven part time transfer case. For Example a tire size of P245-45R-17 would make you Enter 245 for the Width, 45 for the Aspect Ratio and 17 is the Rim Diameter. We also have a conversion kit to turn other versions of the NP205 into a 32 spline input with a little more work involved. Tremec Web Site. 31s will fit fine and work well with the od trans and 3. This chunk of the NP203 has been used in dual t-case projects for a long time, though usually with the NP205. 98:1) and small sized case, thus preventing development of aftermarket gear sets that might improve the low-gear ratio. This is usually after you get the 14 bolt rear and drive shaft to hold up. OR You could use a 203/205 combination dual range mod but that will likely be too long a package for your CJ-7 Jeep. The tire size of the driven wheel (tread width, sidewall ratio, and wheel rim diameter) transmission gear ratio and differential ratio (final drive). You can click into each listed part to see its current market availability. 56:1 ratio is referred to as the M20. 61 ratio fits '94+ chevy gmc dodge (17582) tpd pro-line. I have a 79 Jimmy with a turbo 350. 4th gear is also 1-1. I currently have a 350, SM465, NP205, and a PTO winch driven off the 205. The Ford Dana 20 transfer case is gear driven with a cast iron case. Either the diameter or the size (like 2. Buy a 1971 Chevrolet Blazer Speedometer Drive Gear at discount prices. This truck has never been cut lifted or off roaded. Transmission Transfer Case Ford Gpw Wwll Jeep Original Willys Mb. The 435 is an excellent, heavy-duty truck transmission designed and used in ½, 3/4 and 1+ ton trucks. They are tough enough to deliver a beating to driveshafts and axles; although, the 2. JB Conversions LoMax 300 Dana 300 4:1 Gear Set Some information by JB Conversions The LoMax gear set has been designed to achieve maximum gear strength and the lowest possible reduction ratio for the Jeep Dana 300 transfer case. Both Ford and Dodge made good use of this T-case as well. The NP205 is a gear driven transfer case. combine the two low gear sets and the final drive was in the area of 4-1 It was also only found behind the 305, 350, and 400, not the 6 cyl. You can click into each listed part to see its current market availability. It's gear driven, where the 203's a chain drive. I previously had a gearbox with one ratio different, 3rd was 1. Here's a shot of the previously installed NP205 transfer case. so you no longer have to bastardize a Dana. 61 ratio fits '94-'96 chevy gmc dodge (23712) tpd pro-line. Modified Tech. This transference of power is important for keeping the front and rear wheels in consistent rotation. If you have a. In low range I try to stay off the gas and let the engine idle whenever possible. 98:1 low ratio). 1970-74 Gm Cars Muncie M22 Wide Ratio 2. PATC speedometer ratio adapter 17. This gear to gear all cast Iron transfer case would be used by GM until 1991. My 68 was a lot faster to drive, because you could drive and shift it like a. If you get a wide bearing 29 spline input gear for your 241 you would be able to bolt it directly to the Ally. GM NP205 Transfer Case. Make planters and paperweights out of the rest of the case. 1 Nos 350 Turbo,glide,and Manual Trans 373 390 Ratio Speedo Gear B0347-683xo. Front axle and steering gear are sold and gone cab and all interior sold. If you have a 1957 W300, please see Vehicle Type D. 994367 so taking off in second gear in your 435 truck (with the 2. Suddenly sitting two feet from a roaring IDI at high rpms in a van body is less brain vibrating at highway speed. How to Determine Gear Ratio. It is one of the most respected transfer cases and is regarded as the gold standard by casual Jeepers up through the enthusiasts. Transmission Transfer Case Ford Gpw Wwll Jeep Original Willys Mb. Any of the gear ratios below are availabe. D100/200 Main distinguishing features: I-beam 2WD front axle; No transfer case. 09/16/2007 1:30 PM: I think you do not quite understand here. IMO it IS the finest production 3 speed auto ever designed bar none. What gear ratio do I have in my Np205 rebuild manual or Chevrolet. The NP205 transfer case is a heavy duty gear driven transfer case in a cast iron case. 92 Ratio Differential Ring and Pinion for 9. Though I understand that the np208 is a chain driven unit, and np205 is gear. The adapter kit includes an adapter housing, new long input with 32 spline, input gear bearing, gaskets, seal, fastening hardware and adapter instructions. Size and Construction. it's definitely an NP205 and the serial plate says it has a 1. First gear is usually not used in normal driving. br Pre-modified for twin-stick operation. Vendor Sales. The link between the shift lever and the NP205 shift rail shafts will need to be lengthened or shortened depending on the length of the C-6 extention housing you had. Have you tried to "fish out" the pieces "in the case" once you remove speedo cable. 10 rear end gears. This page is a Differential Gear Ratio Chart for comparing tire size to axle gear ratio and the combined effect on power and fuel economy. 10 Mounting NP205 Divorced Transfer Case. Genuine New Process gears and shafts feature outstanding fit, finish, and durability so critical to high-performance NP205 applications and are unequaled for performance under the most rigorous operating conditions. I previously had a gearbox with one ratio different, 3rd was 1. That's where we come in The Ranger / Explorer Strong Box adds another 2. OR You could use a 203/205 combination dual range mod but that will likely be too long a package for your CJ-7 Jeep. 58:1 3rd gear is 1. We also have a conversion kit to turn other versions of the NP205 into a 32 spline input with a little more work involved. Main Speedometer Gear Page CLICK HERE. Please list the gear ratio you want in the drop down menu at checkout. 4:1 with an NP208)! 4. It's just backwards from the way we think, if you have a 4. Most likely, you will not be able to achieve the exact gear ratio and you may need to go with something that's somewhat out of whack and use a drive ratio adapter (I have a 20. favorite this post Jul 5 1987 Chevrolet Semi Floater 8 lug Front and Rear Unknown Gear Ratio $200 favorite this post Jul 2 Np205 transfer case $400 (Newport). The tallest ratio out there is in the 3. 56's, and you get one hell of a crawl ratio in low range (36. 55:1 (Granny Low Gear) 2nd gear is 3. I currently have a 350, SM465, NP205, and a PTO winch driven off the 205. While the Newer round bolt pattern of the GM NP205, with the long input gear, is 5. Ford applications will use any married ford NP205. Gear Ratio & Tire Size Chart. Known for being able to take a hell of beating and survive, its main drawback is that its low range is a 1. 5 slider,range and mode 77 np205-77 speedometer drive gear,7t,red 108 np205-108 input,ford,31 spline 108 np205-108a input,gm,27 spline 108 np205-108b input,gm,32 spline,7 1/2″ overall length. The NP205 is considered one of the strongest transfer cases available, it's strength is gained by elimination of the drive chain. It's gear driven, where the 203's a chain drive. Solve for your Transfer Case Ratio. The Ford Dana 20 transfer case is gear driven with a cast iron case. Shop chevy rebuild np205 205c in stock and ready for shipping now online. New Venture Gear was a joint venture between Daimler Chrysler Corporation and GM. Transfer Case. I originally designed the Speedo Gear Chang Calculator because I had bought oversized wheels for my truck. This gear was the onbe from a 205 diesel. Gear Ratio Calculator By Roy Grimm. To get a lower gear you will have to increase the teeth on the large gear. Gear ratio and tire size are two different issues. The NP205 was found in 73-87 chevy's with a muncie 4spd transmission where the first gear was a granny gear. The transfer case transfers power from the transmission to the front and rear axles by means of drive shafts. The NP205 is a single piece cast iron case with helical gear driven transfer case with a 1. Focusing on a lot of Rear available on sale online. i no that this isn't a 4x4 offroading site but has and one ever doubled a np205 with a np205. I'm not really decided on the gear ratio yet. The adapter kit includes an adapter housing, new long input with 32 spline, input gear bearing, gaskets, seal, fastening hardware and adapter instructions. it will have more girth but owell. Re: NP205 Low Range - What\'s the ratio? Are you guys serious about that 7. Solve for your Transfer Case Ratio. Have you tried to "fish out" the pieces "in the case" once you remove speedo cable. 1958-68 W300 & D300 models came factory with 6 hole wheels and later models (1969-74) use the 8 hole wheel. Browse a bunch of Input Shaft and comparable listings available on sale this week. I would not go any taller than 3. The initial benefit is the addition of a 22-percent overdrive in high gear, but because the Gear Vendors can be engaged in any gear, it actually doubles the number of ratios available in any transmission. 735 instead of 1. Shop case empty in stock and ready for shipping now online. I don't know what had happened but i was planning on getting one also. This made hills and city driving an absolute pig, a big jump btween 3-4. The NP205 is considered one of the strongest transfer cases available, it's strength is gained by elimination of the drive chain. Right Drop 205 cases were used by Dodge from 1969 to 1993 and by GM from 1969 to 1991. Although both transfer cases are stout, the NP205 is the favorite of serious off-road enthusiasts and Chevy aficionados; this is because of its gear drive and cast-iron case. Dave 64; the 445 was a more civilized tranny. Provide rear gear ratio & tire size when ordering. Chrysler's New Process Gear of Syracuse, New York manufactured the rugged and reliable NP205 gear drive transfer case for 1969 to 1993 model year Full-size 4x4's. 88 inches tall by the math, but probably 28 to 28. The low-range box serves only to reduce the gear ratio, while the regular transfer case provides its own additional low-range gearing along with front and rear drive. The NP205 gear driven transfer case is considered by many to be the king of bulletproof. The Dana 300 is found in 1980-1986 Jeep vehicles. 94 (basically 4:1) Overall Length of assembled 203 with NP205: 21. NP205 205C 205 Transfer Case Rebuild Kit GM Chevy Dodge 1962 to 1989 BK205GDM. That gear will give you plenty of umph and keep the engine in it's sweet spot for cruising. New Venture Gear was a joint venture between Daimler Chrysler Corporation and GM. Rest is available truck has a 300 6cyl engine and 4spd has np205 t case. When you are accelerating it is smooth but when you are just maintaining. Gear Vendors offers aftermarket overdrives for your existing transmissions - Duration: Pt. SCS Gearbox, Inc. 00 each driveshafts 50. 58:1 3rd gear is 1. 70s sitting on the ground! 1990 F250 extended cab FI460 e40d 3. 28 : SLX, Trooper/Rodeo : Atlas : 1: 3. Potential problems with the NP273 Transfer Case. The purpose of a transmission in a vehicle is to make sure that the engine can switch between gears. This gear was the onbe from a 205 diesel. After all, the reason you are in the low gear is to go slow, SO GO SLOW! Combine a lower than stock differential ratio with much lower than stock transfer case gearing and you have a potential problem when out of gear. by Michael Dickens The New Venture Gear 3500, a medium duty five-speed overdrive manual transmission manufactured by New Venture Gear, was used in General Motors and Dodge compact and full-size light trucks. 55 x 65= 77,532 77,532/28. The link between the shift lever and the NP205 shift rail shafts will need to be lengthened or shortened depending on the length of the C-6 extention housing you had. This means that with a NP205, you will have a few of the 72 positions that you will only be able to get 5 of the 6 bolts in. 1958-68 W300 & D300 models came factory with 6 hole wheels and later models (1969-74) use the 8 hole wheel. Our award-winning history of innovation and expertise ensures we provide quality craftsmanship as we serve our customers with knowledge and integrity. Check out the gear ratio calculators on the web, most of them allow you to enter the tire size and ratio. 42 ratio 10. This kit is a combo kit that works for most of the Ford and Chevy NP205 Transfer Cases. Our Adapter kit is compatible with the 6 bolt round pattern GM and Ford NP205 transfer cases. This transfercase has quick change gearing. Info: offroaddesign. 61 ratio fits '94+ chevy gmc dodge (17582) tpd pro-line. Category: Chevy. Ford / Chevrolet / Dodge / NP205 Transfer Case Gasket Set. Gear Ratio & Tire Size Chart. 040" for precise adjustment of your Idler Gear or rear output bearing end-play. The borg warner in this model was the xfer case to have. While the Newer round bolt pattern of the GM NP205, with the long input gear, is 5. The low-range box serves only to reduce the gear ratio, while the regular transfer case provides its own additional low-range gearing along with front and rear drive. Rear End Axle Assembly 11 2011 Nissan Frontier 6cyl 4x4 4wd Crew Cab 3. This allows you 5 degree increments to adjust your front output placement. 36 You'd only really use it for distance driving, and probably never even use 4th gear unless you were really. 12 by your tire diameter. What, if any, difference is there running the PTO from the transmission vs the transfer case ? I would like to lower my crawl ratio without adding length to the driveline, as my rear driveshaft is already short. 96 low ratio (although another source reports 1. How GM Transfer Cases Work. And used an NP208 adaptor with it (mated to a C6). I am thinking of buying an off-road camper from Lifetime Products. Since the gear tooth pitch is slightly different than OE, the service life of this gear is limited to less than 25,000 miles. Unless driven gears with more than 45 teeth and / or drive gears with fewer than 15 teeth become available, it will be impossible without using a ratio adapter to have an accurate speedometer with rear end gear ratios lower (higher numerically) than 4. Maybe you had not understood the point I was trying to convey to the OP that it may not be as simple as just making the gear fit through the whole in the case. The following information is not set in stone. No modifications to this case are required. The 435 has a lower first gear ratio which is not a syncro. 4th gear is also 1-1. This chunk of the NP203 has been used in dual t-case projects for a long time, though usually with the NP205. all i have seen is doubling a np203 with a np205. Replaces both 4 3/4″ & 3 1/2″ tailhousings totalling 9 1/4″. Front and rear axles are Dana 44. combine the two low gear sets and the final drive was in the area of 4-1 It was also only found behind the 305, 350, and 400, not the 6 cyl. Requires GM buffer (incl). It is a well-built transmission and remains easy to locate and generally inexpensive to buy and maintain. Ford Trucks for sale. There is no such gear as 3. torque hp 1000 rpm foot notes nothing available at this time pto model output rot. The GM round pattern case was found in 1985 and newer GM applications. The kit with the NP203 will add 5. Genuine New Process gears and shafts feature outstanding fit, finish, and durability so critical to high-performance NP205 applications and are unequaled for performance under the most rigorous operating conditions. The output shaft on the NV4500 is the same size/spline as the NP205 I used. The second gear ratio of the granny 435 is 3. gear ratio in Low was a bit on the wussy side, so an Off Road Design Doubler was thrown into the mix. Here's a shot of the previously installed NP205 transfer case. USA Standard GM Chevy 9. The speedo acts kinda funny with thes gears too. I have a 79 Jimmy with a turbo 350. Locate Input Shaft in stock and ready for shipping right now on the internet!. That's where we come in The Ranger / Explorer Strong Box adds another 2. The NP-205 was a heavy-duty part-time, gear drive transfer case with a 1. The largest offroad forum in the Midwest > Great Lakes 4x4 Marketplace > Parts for sale: 90's Ford Dana 60. Rockland Standard Gear (RSG) has unlocked the true performance potential of 4x4 vehicles with its new 4x4 TRANZILLA Tremec T56 Magnum 6-speed manual gearbox. 42 ratio 10. The NP205 input to front output distance appears to be about 3" shorter than the BW1356 which would put the front drive shaft out of alignment with the front diff. Mileage goes down the crapper when you get them below 2200 or so cruising. Gear Ratio Calculator By Roy Grimm.