Is the SM465 a manual or off road transmission?

The SM465 is one of the finest manual, off-road transmissions on the planet and it is designed to take more abuse, torque and horespower than you can probably throw at it.

When did the GM sm420 transmission come out?

The SM420 is an impressive, heavy-duty truck transmission designed for and used in ½, 3/4, 1 and 2 ton trucks. The SM420 was made by General Motors from 1947 to 1967.

What’s the shifting pattern on a GM Muncie SM465?

The shifting pattern for the 465 is in the standard “H” pattern with reverse gear being to the right side, and down. There are three principal versions of the SM465, each based on the era and configuration of the transmission. There is no known mechanical superiorities to either earlier or later versions. Not necessarily.

What does the SM stand for in a GM transmission?

The “SM” in the transmission’s designation stands for Synchro-Mesh, in the tradition of other GM gearboxes. It is also referred to as the CH-465 or CH465 by factory literature. The SM465 is a top loaded, top shifting truck style transmission. This transmission is 12 ” long and features a cast iron top cover that is retained by eight bolts.

How big is a SM465 4 speed truck?

A lot of trannies have bit the dust from wheelers not regearing axles for big tires. Also given that the SM465 was used in trucks that could weight over 20,000 lbs, it has a really deep first and reverse gear to get it going and has helped out your current tall combo of axle ratio and tire size.

Can a SM465 shift at a normal rate?

At the time no one told me but apparently the SM465 shifts very slow and shifts are met with resistance. You cannot shift the 465 fast or even at a normal rate as you would on a normal car or small truck.

Is the SM465 as long as the Blazer?

It should be plenty strong for your ’90 FS Blazer. Be advised though, it’s nearly twice as long as the SM465, which means you’ll have to change both driveshafts and modify the skidplate / mounting brackets. Thank you for your responces.

What kind of engine does a Chevy small block have?

BluePrint Engines BP38313CTC1DK – BluePrint Engines GM 383 C.I.D. 430 HP Stroker Fully Dressed Long Blocks with Aluminum Heads Crate Engine, 350 C.I.D. Base Long Block, 290 hp, Iron Block and Heads, Aluminum Pistons, 8.0:1 Compression, Internal Balance.