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.

What does SM465 stand for?

It’s thought the CH in CH 465 stands for Chevrolet, and the SM in SM465 stands for either Saginaw Muncie or Synchro Mesh. Either way, this is a very durable four speed manual gearbox that is ideally suited for off-road name and towing/hauling heavythings.

Are all SM465 the same?

The earlier era of the SM465 include the 1968 – 1978 transmissions. There were both 2wd and 4wd versions. Internally, they are identical to each with the exception of the transmission mainshaft.

Will an LS bolt to a SM465?

Our GM LS to SM465 Adapter Kit utilizes a 2006 Chevy Silverado 6.0 flywheel, starter, and clutch kit. … Our GM LS engine to SM465 / SM420 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.

How much does an SM465 weigh?

SM465 vs. SM420

SM465 SM420
Length(in.) 12.0 10.4
Height (in.) 18.0 17.0
Weight (lbs.) 175 135
Input Shaft 1 1/8-in., 10-spline or 1 1/2-in., 10-spline 1 1/8-in., 10-spline

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!!

How much fluid does a SM465 take?

depending on whether you call granny low first or not. I read somewhere the tranny holds 4.2 quarts.

What oil does a SM465 take?

According to the Amsoil catalog my 1988 SM465 calls for 5w-30 Transmission Oil. That sounds awful thin for that trans. I know the older SM465’s used 80w-90 gear oil. Exactly what does this trans take for oil?

How much does a np208 weigh?

New Process NP208 Specs

Manufacturer: New Process Gear
Gear Ratios: High Range 1.00 : 1
Low Range 2.61 : 1
Fluid Type/Spec: Automatic transmission fluid (ATF)
Weight: 75 – 80 lbs dry

Is the SM465 synchronized?

The 2nd gear in the SM465 is synchronized. It will be very difficult to downshift into 2nd above 7-10 MPH though. 1st and reverse are not synchronized.

Who owns Muncie transmission?

General Motors In 1990 Hydramatic Muncie plant became part of the GM-Chrysler New Venture Gear. In February 2002 General Motors sold its minority 36% stake in the New Venture Gear company to DaimlerChrysler and the Muncie Transmission plant reverted to GM control. GM changed the plant name to Manual Transmissions Of Muncie.

How much gear oil does a Saginaw 3 speed hold?

It will hold 3 pints when empty.

What cars came with a Muncie 4 Speed?

10-spline units came in these vehicles: 1964-70 Chevy Corvettes and Pontiac Tempest 1967-70 Buick Special, Firebird and Camaro 1969-70 Grand Prix 1963-69 Impala 1965-70 Nova and Olds Cutlass/F-85 and Chevelle (except 1970 w/454-cu.in.

Are Muncie transmissions still made?

Muncie 4 speeds are still manufactured for GM cars still around from the 1963-to-1975 era.

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.

Why is M22 called rock crusher?

M22 gears are also made of a higher-grade nickel alloy. The M20 and M21 cluster gears are cut at a 45-degree angle. The reduced gear angle of the M22 created a problem with noise (hence the name rock-crusher).

What is the strongest manual transmission?

The Most Powerful Cars That Still Offer a Manual Transmission

  • of 14. BMW M2 Competition – 405 HP. …
  • of 14. Porsche 718 Cayman GT4 – 414 HP. …
  • of 14. Porsche 718 Boxster Spyder – 414 HP. …
  • of 14. Lotus Evora GT – 416 HP. …
  • of 14. Porsche 911 Carrera S. …
  • of 14. Chevrolet Camaro SS – 460 HP. …
  • of 14. Ford Mustang GT – 460 HP. …
  • of 14.

How do I know if I have a rock crusher transmission?

Look for the GM sign imprinted on the transmission box to identify the manufacturer of the transmission. Check whether there are any rings around the shaft splines. An M-22 Rock Crusher has no rings, so if you see rings in your transmission, it means it is not an M-22 Rock Crusher.

How do you fill a SM465 transmission?

How do you fill a Muncie 4 Speed?

How Much Oil Is Needed for a Muncie Transmission?

  1. Remove the drain plug. The drain plug has a a square-headed cap. Drain the old oil into an oil pan. …
  2. Locate the fill port on the right side of the transmission and remove the cap.
  3. Using the oil-change pump, fill with oil. Make sure the transmission is level.

What fluid goes in a NP205 transfer case?

As has been discussed in previous posts, NP205 transfer cases require 80-90wt Gear oil.

Which is better 205 or 208 transfer case?

The 205 is a stronger transfer case. But the 208 is pretty strong plus is has a much better low range for slower crawl speeds.

Is a 203 transfer case full time?

The New Process 203 Transfer Case is a fullsize, full time, chain driven transfer case. … The transfer case does have a locked setting for both low and high range operation, which locks the differential, disabling the full time behavior and equally transmitting power between the front and rear axles.

What’s the difference between NP205 and NP208?

NP205= gear driven, cast iron case, 1.96:1 low, very strong T-case. NP208= chain driven, aluminum cased 2.6:1 or so low range not so strong and vulnerable to rocks due to aluminum case.