Muncie 4-speed Transmission (Group 4.000) -. Casting Numbers. (1) All M22 applications except 454 engine. (2) All 454 Chevelle applications. The M22 was produced in 1973 and 1974 for other GM divisions. All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set.
24,952. Bismarck, North Dakota. All 3 models of Muncie were used yet in early 1973. Part way through the production year, the supply ran out and after that, Borg Warners were used. If you have a 1973 Muncie, it could be a M20, M21, or M22. The numbers stamped on it would tell you what it was originally. Nov 22, 2014.
The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy …
For most Chevrolet car lines (except Corvette and Camaro), the 1970 model year began in the fall of 1969. So, the "661" main case may have been the only one in production by the fall of 1969. My original owner, mid-September 1969 built Corvette has the "660" main case and does not have the drain plug. ... Before then only the M-22 "Rock …
By the time the Muncie was in its final phase of production (1971-1974) it also gained a 32 spline output shaft in place of the original 27 spline unit. Wide, Close, or Rock Crusher Initially there were two specific Muncie transmissions available: the M20 wide-ratio (2.56:1 first gear) and the M21 close-ratio (2.20:1 first gear).
DZAUTO · #3 · Oct 28, 2008. In the beginning, the M-22 was the Heavy Duty Muncie, and it was available ONLY in the close ratio version (2.20:1 first gear ratio). The primary difference between the regular close ratio Muncie (M-21) and the HD Muncie was the angle at which the gear teeth were cut. The M-22 gear teeth are cut at a noticeably ...
NEW, Complete 67 - 68 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you everything needed to convert a automatic 1969 Camaro into a four speed machine! ... M21 or M22 Rock Crusher transmission. With this new kit you also get all the hardware needed to get the job done right the first time. Correct bolts will include head ...
1967-1972 Camaro & Firebird M22 Muncie Rock Crusher Transmission 2nd Gear: Muncie M-22 Rockcrusher 2nd gear. Correct for 2.20 Close Ratio Rock cru
GTO 3-Speed Transmission, 1972 GTO, Heavy Duty 3-speed transmission, Dearborn, Muncie, M13, M12, Muncie M20, M22 rock crusher, Auto Round-Up MagazineA: L.C., thanks for the nice words. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a …
Early Muncie 4-Speed Identification. Sep 23, 2019. Author: Alan L. Colvin. The Muncie has probably been the most popular transmission among the hot rodding set since its inception in 1963. The …
Muncie 3-4 Synchro Assembly, AWT297-2.5A. Our Price: $79.99. (8) Add To Cart. Muncie 4 Speed Transmission Master Rebuild Kit - Max Load, BK116WS-MASTER. Master Rebuild Kit. Muncie 4 Speed Transmission M20, M21 & M22 with 1" counter shaft bore. High Performance Forged Synchronizer Rings made by Synchroking! 1-BK116WS - …
New Listing Restored Muncie M22 Rock Crusher 4 Speed Transmission Close Ratio FACTORY GEARS. Opens in a new window or tab. Remanufactured. ... 1967 1968 1969 1974 GTO FIREBIRD CAMARO NOVA NOS 3909071 CLUTCH ROD SEAL RAM AIR. Opens in a new window or tab. Brand New. $125.00. ravjudge (2,313) . Buy It Now
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 …
ON SALE Muncie 4 Speed Transmission M21 ALL NEW INSIDE $2799.00. Part No: RSG-M21-VPU. Price: $3,699.99. Sale Price: $2,799.99. In Stock. Click Image For More Details. 1969 Z28 Camaro and Other 69 GM Cars Casting Numbers Correct Muncie 4 Speed M21 CLOSE RATIO. Part No: RSGM21-69Z. Price: $3,795.00.
The Muncie 4-speed transmission was used from 1963-1974 on several different GM vehicles and engine types. The Muncie was typically used in performance engines. Changing the oil on these transmissions can be tricky, as the oil-fill port is on the side of the transmission. You will most likely need a hose to fill it, or you can purchase a simple ...
Muncie also had a second close-ratio transmission coded M22 and known as the "rock crusher," which was used behind performance big-block engines and in some Corvettes. These M22 units are highly sought-after for performance applications. ... Firebird and Camaro. 1969-'70 Grand Prix. 1963-'69 Impala. 1965-'70 Nova and Olds Cutlass/F …
1967-1972 Camaro & Firebird M22 Muncie Rock Crusher Transmission 1st Gear: Muncie M-22 Rockcrusher 1st gear. Correct for 2.20 Close Ratio Rock cru
Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette, Chevelle, Nova. SUMMER SALE!!! Brett Henson on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SUMMER SALE!!!
Find many great new & used options and get the best deals for 1969 Camaro DZ 302 Muncie M22 Rock Crusher 4 Speed Transmission Rebuilt RARE at the best online prices at eBay! Free shipping for many products!
1967 - 1968 Camaro Shifter Knob Ball, Black and Chrome, 5/16 Inch Muncie 4-Speed, 2 Pieces. 1967 - 1968 Shifter Knob Ball, White 4 Speed, 5/16 Inch Thread. New Chevy 3899621 Bellhousing Kit with Cover, Fork, Bearing, Boot and more, 11". 1967 - 1968 Camaro Manual Console Floor Shift Boot, 3-Speed or 4-Speed. Our Price: $21.95.
Side Cover Casting Numbers. It is easy to determine an early Muncie four-speed transmission side cover from the later models by the way the transmission shifter arms are attached. The 1964 through ...
MUNCIE 3925660 Gears Transmission Crusher. fits model: M-22. year: 1969–2022. ( Brand: Muncie ), ( Manufacturer Part Number: 3925660 ), ( Part Type: Gear …
NEW, Complete 69 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you basically everything needed to convert a automatic 1969 Camaro into a four speed machine! You have a choice of a original completely rebuilt GM Muncie M20, M21 or M22 Rock Crusher transmission.
MUNCIE 4-SPEED MANUAL TRANSMISSION ASSEMBLIES, GEARS & PARTS APPLICATIONS: GENERAL MOTORS ... L8T natural nylon: 1.84" OD (1969-70) 6261794 6261794 NOTE: these SIX (6) gears have 30mm bore: used with 27 spline mainshaft. ... M22 'Rock Crusher' (1971-74) 3978761 WT297-16Z NOTE: these (3) gears used with …