Sm465 ratios

For a sm465 ratios version of this article, click here. The SM was made by General Motors from to

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, Indiana ; it was designed to replace the somewhat similar Muncie SM transmission , which had been in production since just after World War II. Some applications beyond one-ton pickup trucks came with larger input shafts. Favored by off-road drivers, the SM has a very low first gear suitable for rock-crawling. The SM has developed a reputation as a highly durable transmission. The "SM" in the transmission's designation does not stand for Synchro-Mesh, contrary to popular belief.

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 I dont see why the sm and 3. In trucks my dad had in the past, one tons with steel welding beds, lincoln amp welding machine, cutting rig and tools, he never used granny low unless towing.

Sort by Oldest first Oldest first Newest first Most reactions. The "SM" in the transmission's designation does not stand for Synchro-Mesh, contrary to popular belief. I dont see why the sm and 3, 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.

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Sm465 ratios

Post by freddiejip » Sun May 15, pm. Post by jamie » Mon May 16, am. Post by freddiejip » Mon May 16, pm.

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Turns out the car has a Saginaw four speed behind that engine, not the original four speed it was mated with. The top shift cover casting number should be GM You just had to wind it up too much to keep it in the torque spread with my motor. So the question is, how will that transmission perform in the Bel Air? As far as I can determine, the ratios on the SM are 6. Later 2wd style SM's also incorporated the same 1st gear bushing and thrust washer change, but the spline, yoked output remained identical. It has a very good set of road manners contrasted by its enormous off-road brawn. SKU: I am hearing the shift into third, but it just seems odd. Dana 18 , Web chevytrucks. Overview Specifications Contact Us. Hidden categories: Articles with short description Short description is different from Wikidata Short description matches Wikidata All articles with unsourced statements Articles with unsourced statements from January All stub articles. Back Jeep Dana

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There are three principal versions of the SM, each based on the era and configuration of the transmission. There is just no good reason to drive a Muncie Sm equipped vehicle without a Gear Vendors. All times are GMT Spline Misunderstandings Clarified "More splines are stronger" Not necessarily. Hypoid gear oil is sulphurized higher than transmission oil and can be mildly corrosive to the non-ferrous alloys used for synchros, bushings and thrust washers in these transmissions. Had to get the custom thick gear since the carrier is only good from 2. Find Us. The and newer versions utilize a hydraulic clutch release, replacing a mechanical linkage in older versions. This transmission is 12 " long and features a cast iron top cover that is retained by eight bolts. The versions have an aluminum top with improved shift feel. Saturn Overdrive. Recommended Communities. There were both 2wd and 4wd versions. You just had to wind it up too much to keep it in the torque spread with my motor.