Sm465 ratios

The Synchro-mesh or SM is a heavy-duty, four-speed manual transmission built by General Motors for use in light and medium duty trucks from to at the factory in Muncie, sm465 ratios, Indiana ; it was designed to replace the somewhat similar Muncie SM transmissionwhich had been in production since just after World War II. Some applications beyond one-ton sm465 ratios trucks came with larger input shafts. Favored by off-road drivers, sm465 ratios, the SM has a very low first gear suitable for rock-crawling. The SM has developed a reputation as a highly durable transmission.

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. It is also referred to as the CH or CH by factory literature.

Sm465 ratios

Register or Log In To remove these advertisements. Web chevytrucks. Hey guys, I was looking at gear ratios today, I want to do a manual conversion on the 68 but it seems difficult to find A. But I have found many sm's and I was looking at the 1. Was wondering if anyone is running this setup and how do you like it? My dad always tried to convince me HEI was pointless! Welding is a lot like sex, you don't have to be great with the rod as long as you thoroughly prep the surface and your good at grinding My build : 68 C10 Short Bed Conversion. Can't speak specifically to the SM but my 70 C10 is a manual 3-speed with a 3. When towing, I have to feather the clutch to get going good but you would not have that problem with the 6. I do like that my truck can do highway speeds without straining the engine. Of course, you won't be doing any speed shifting with the SM Read The Factory Manuals

The may also be made to be compatible with AMC bellhousings. These final sm465 ratios had an aluminum top cover and a revised input shaft and input bearing combination. Find More Posts by Scott Liggett.

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.

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Sm465 ratios

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. And I'm not too big of a fan of the big jump from 1st to 2nd.

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A 32 spline output shaft vs. For a better experience, please enable JavaScript in your browser before proceeding. This is an older thread, you may not receive a response, and could be reviving an old thread. Early four-wheel drive was a short 10 spline. The SM was made by General Motors from to Sm gearing ratios? A minor internal change of the 1st gear bushing and thrust washer occurred, in addition to a change from a shorter spline, 4wd output shaft to a spline 4wd output shaft - coinciding with the change of bolt pattern in the New Process transfer case from a figure "8" input bolt pattern to a round, six-bolt input pattern. Spline Misunderstandings Clarified "More splines are stronger" Not necessarily. This transmission has a non-synchro first gear. Posts: 7, Dana 20 ,

Easily one of the very best four-speed transmissions ever built; the SM Our Muncie is professionally and meticulously rebuilt.

This is a service that we provide affordably and in quick turnaround. Thanks for all your input, things make more sense now! Find More Posts by Maxxd I went to 33's and it was OK, but when the original expired and I swapped in my with That factory set up was excellent at getting you up and going from a dead stop. Remember Me? The Crane that's in it now has just about the perfect power band for the transmission. Emissions Fuel Economy Conversions, Rules vs. Favored by off-road drivers, the SM has a very low first gear suitable for rock-crawling. A 32 spline output shaft vs. Back Jeep 4. We highly recommend using a manual transmission shop for installing the output shaft in the transmission.