Is the SM465 a Muncie?
Some applications beyond one-ton pickup trucks came with larger input shafts. 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….Muncie SM465 transmission.
| Muncie SM465 | |
|---|---|
| Class | 4-speed manual |
| Chronology | |
| Predecessor | SM420 |
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.
How much does a Muncie SM465 weigh?
Muncie SM465 Transmission Specs
| Transmission: | Muncie SM465 |
|---|---|
| Input Shaft: | 1 1/8″ 10 spline input shaft, 6.5″ stick-out |
| Max Input Torque: | 465 lb-ft |
| Output Shaft: | • Early 4WD – 10 spline • Early 2WD – 35 spline • Late 4WD – 32 spline • Late 2WD – 35 spline |
| Weight: | ~ 175 lbs |
Will an LS bolt to a SM465?
Our GM LS engine to SM465 adapter kit works with all GM LS engines, including the 4.8L, 5.3L, 6.0L and 6.2L. Further, it works with 4-speed transmissions that were used in GM 1 ton trucks from mid 80’s.
What transmission is the rock crusher?
The 2.56:1 ratio is commonly referred to as the M20. Muncie also had a second close-ratio transmission designated M22 and often referred to as the “rock-crusher,” which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission.
Will a SM465 Bellhousing on NV4500?
NV4500 stock bell housing will not be able to be used in 73-87 trucks since the hydraulic clutch slave cylinder is on the passenger side. It will interfere with the drive shaft. SM465 bell housing will not bolt up. You will need to use an Advance Adapters Bell Housing.