Sm465 ratios

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Register or Log In To remove these advertisements. Web chevytrucks. So I'm kind of curious cause I have done lots of research but no answer, and could not find anything on here. Is there any company that makes higher gear ratios for the sm trans? Low gear. I'm hoping to find someone who ideally in my eyes, makes gears where low is equivalent to 1st, 1st is a bit higher geared, and 2nd and 3rd are pretty much the same. I know I can change the diff but that doesn't solve the problem that low gear is useless cause my c15 is a street truck.

Sm465 ratios

This transmission can be identified by a case length of 12". The casting numbers on the case should be GM, or The top shift cover casting number should be GM The P. This transmission has a non-synchro first gear. The gear ratios for this transmission are as follows:. We highly recommend using a manual transmission shop for installing the output shaft in the transmission. If you attempt the installation on the SM shaft on your own, please be careful with the sleeves as they are a press fit and they can shatter during installation. The sleeves are a very close tolerance. To help in the assembly of these sleeves, you can heat them in a oven degrees for 10 minutes which will increase the size of the bushing making it easier to install. Be sure to use eye and face protection when pressing, and leather gloves when handling the heated bushing. You will need to retain the stock rear bearing, thrust washer and locking nut from your old output shaft. On GM 2WD transmission, a new washer and nut must be purchased from a transmission shop. This output shaft is a universal length, it may require to be shorted depending on the adapter casting that you are using.

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For a video version of this article, click here. The SM was made by General Motors from to The is an intellegently designed and very well-built transmission and remains easy to locate and generally inexpensive to buy and maintain. The strength, relatively short size and the gearing of the transmission make it a good choice for a variety of on-road and off-road situations. It has a very good set of road manners contrasted by its enormous off-road brawn.

Easily one of the very best four-speed transmissions ever built; the SM Our Muncie is professionally and meticulously rebuilt. We use the best components, including bearings, synchronizers, bushings, seals and gaskets built by our SM specialist and expert. Any available updates and improvements are performed. A new, unbent transmission shifter cane is included and ready for the installer to bend to the particular application and driver's preference if you wish you use your factory stick, let us know and we'll apply a discount. Our factory style builds are OEM style replacement transmissions that may require the use of the vehicle owner's original tailhousing either 2wd or 4wd to complete the installation. Adapted builds are designed primarily for installation into Jeep vehicles and include the installed aftermarket Novak mainshaft, adapter kit, rear mount, and pilot bushing as indicated for the customer's scenario.

Sm465 ratios

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The may also be made to be compatible with AMC bellhousings. Find More Posts by leftybass The sleeves are a very close tolerance. I am assuming the rear is the 4. SKU: Here's the deal, a Bel Air now has a 5. When towing, I have to feather the clutch to get going good but you would not have that problem with the 6. The cylinders have been bored. IMO unless you are doing some heavy towing, the granny low will make up for the 3. Web chevytrucks.

Register or Log In To remove these advertisements. Web chevytrucks. I have a 69 c20 and have looked up rpm calculators for figuring out what rpms ill be running at driving speeds and theres a buch of different out comes for each rpm calculator so i figured id ask the people that actually run these trucks.

Find More Posts by C I felt I had to slip the clutch more than I liked with a 2nd gear start and it was kind of a pain going into low for every start driving in traffic. It would be interesting to see how that 1st gear would work with a 3. Engine to Transmission Adapters Bellhousings. The sleeves are a very close tolerance. Recommended Communities. Back Toyota Land Cruiser. I swapped the 3. There were both 2wd and 4wd versions. Posts: 7, Back Transmission to Transfer Case Adapters. Favored by off-road drivers, the SM has a very low first gear suitable for rock-crawling. Originally Posted by Getter-Done.