What fluid goes in a SM465?
The SM465 should use the hard to find GL-4 lube. GL-5 or newer lubes can be corrosive to the synchronizers in older type transmissions. Use mineral oil from Napa, they sell it by the gallon.
What fluid goes in a Muncie transmission?
I would recommend Brad Penn grade 1 ‘classic’ multi purpose GL-4 SAE 80w-90 gear oil. It’s made specifically for old Muncie and Borg-Warner transmissions that require mineral base oils. This way your sure your getting a mineral base oil and NOT synthetic.
How many quarts of oil does a SM465 take?
I’m pretty sure it is right around 4 quarts.
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.
Will a SM465 bolt up to a 454?
The SM465 is plenty strong enough for a 454.
What vehicles came with SM465?
The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models. 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….Muncie SM465 transmission.
| Muncie SM465 | |
|---|---|
| Predecessor | SM420 |
How do you fill a Muncie transmission?
How Much Oil Is Needed for a Muncie Transmission?
- Remove the drain plug. The drain plug has a a square-headed cap. Drain the old oil into an oil pan.
- Locate the fill port on the right side of the transmission and remove the cap.
- Using the oil-change pump, fill with oil. Make sure the transmission is level.
What is a Granny 4 speed?
The Muncie SM465 is a heavy-duty, four-speed manual transmission built by General Motors for use in light and medium duty trucks from 1968 to 1991 at the factory in Muncie, Indiana. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models.
Why is it called a Muncie 4-Speed?
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 the Muncie SM465 a good transmission?
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 |
What kind of oil to use on GM Muncie SM465 transmission?
Many choose to do a full rebuild during the adaptation process, and our instruction guides feature all the details, diagrams, pics and tricks required to do professional level work. 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.
What kind of fluid does SM465 have in it?
Super Moderator A Country Boy Can Survive… NP208 gets ATF. SM465 gets 80w-90. That’s what’s in mine. just curious – how does 80w-90 smell?
What kind of oil do I need for my Muncie?
Discussion in ‘ Transmission & Driveline Topics ‘ started by YoungCamaro, Sep 20, 2009 . Just bought an m20 wide ratio muncie. I’m going to be installing it tomorrow and i’m wondering what type of gear oil and how much I need to put in it? The chilton’s manual I have said 3 pints and the guy I bought it from said 2 pints.
What does SM stand for in a Muncie transmission?
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. The “SM” in the transmission’s designation does not stand for Synchro-Mesh, contrary to popular belief. “SM” stands for “SAGINAW MUNCIE”.