Is the Muncie SM465 a good transmission?

Is the Muncie SM465 a good transmission?

Favored by off-road drivers, the SM465 has a very low first gear suitable for rock-crawling. The SM465 has developed a reputation as a highly durable transmission. For the 1992 model-year, the SM465 was replaced in 3/4- and 1-ton pickup truck applications by the New Venture Gear 4500 transmission.

Are all SM465 the same?

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. Larger shaft diameters are stronger, and larger shaft diameters usually require a higher quantity of splines.

What does SM465 stand for?

http://www.novak-adapt.com/knowledge…s/manual/sm465. 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.

Does a SM465 have Granny low?

The SM465 is a four speed, RWD or 4WD transmission. The SM465 is a Muncie engineering design, this transmission is a top loader, tower shifter with a non synchronized granny low 1st gear.

How much is a Muncie 4 speed worth?

Muncie 4 Speed M20 or M21. $2899.99 OR WITH Muncie CORE exchange $2499.99. If you have no useable core the price is $2899.99!!

Why is it called a Muncie 4 Speed?

The Muncie design has roots going back to 1935. Therefore, the Muncie patent is basically a design for the layout of a 4-speed transmission. This “layout” is a 4-speed transmission with four forward gear ratios in the main case, a midplate bearing support, and a reverse gearset in the extension housing.

Is a Muncie 4 speed a good transmission?

The Muncie four-speeds are a very popular transmission with Chevrolet muscle car enthusiasts, and are easily adaptable for a wide range of GM and other non-GM vehicles.

What is a Saginaw 4 Speed?

The four-speed transmission is very similar to the tried-and-true Saginaw three-speed and fits well behind six-cylinder and eight-cylinder engines. It was originally designed for engines generating less than 300hp; however, upgrade parts are available to make it more compatible with higher horsepower applications.

How much is a Muncie 4 Speed?

Muncie 4 Speed M20 or M21. $2899.99 OR WITH Muncie CORE exchange $2499.99. If you have no useable core the price is $2899.99!! Questions on our core exchange policy?

How do I know if my Muncie is a 4 Speed?

Another way to confirm that the transmission is original to your car is most Muncie four-speed transmissions will have a Vehicle Identification Number (VIN) number stamped on the main case. The engine and transmission were stamped at the same time by the final assembly plant.

What is double clutching and Granny shifting?

Granny shifting is shifting at very low rpm, driving slowly, like a stereotypical granny would. Double clutching is a technique used for rev-matching in downshifts. It is useful for older cars, with not very good synchros.

What kind of transmission does a Muncie SM465 have?

Information and parts are provide for the following Transmission: Muncie SM465 4 Speed (RWD), see an illustrated view of this transmission. IDENTIFICATION – SM465 4spd, RWD or 4WD, Top loaded, tower shift “granny-low” transmission found in light and heavy-duty applications.

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.

Is there a rebuild kit for a GMC SM465?

SM 465 GMC Manual Transmission Rebuild Kits and Parts These quality Muncie SM465 4 Speed manual transmission parts, rebuild kits and overhaul kits are designed to be top of the line overhaul kits.

What are the casting numbers on a GM Muncie 465?

For your information, a few Muncie 465 casting numbers include: 3871912, 3901127, 673212, 6273212, 3901131, 465453, 8672267, 867287 (aluminum top cover model) About the SM465 When filling your 465 with gear oil, we recommend that you select a conventional mineral oil or a para-synthetic in lieu of a full synthetic oil.