New Super Heavy Duty Direct Replacement and Strongest M22's Made With Muncie Auto Gear Upgraded Ultra Case and Strongest M22 Close Ratio or Wide Ratio Gears. 10 OR 26 spline input and large 27 OR 32 …

Times and requirements have changed making both the M21 and M22 the closest ratio production 4 speeds ever produced but also not practical for today's driving habits unless road racing is your thing. The new Muncies …

The Muncie Miracle: Getting to know Chevy's most legendary four-speed transmission. The M20 and M21 transmissions produced from 1963-'74 are easy to identify in both wide- and close-ratio units. The M22 to come later in 1967-'74 is also a close-ratio unit, but much stronger than the M21, with a higher torque capacity.

M22 transmissions can only be identified removing the selector cover(side cover) and visually identifying the straight cut gears-all other muncie transmissions had conical cut(angle) gears. The most well …

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32. . All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". (example: P7A14 - Muncie 1967, Jan 14) Muncies assembly codes are model year. (example: P8R23 is assembled Oct 23, 1967 for 1968 model year. Some Muncies also carry ratio I.D.

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Muncie M22 REBUILD KITS: Quality parts from our inventory are assembled into kits for rebuilding M22 4 Speeds from 1965 to 1974. Kits are priced at $165.00 freight paid in US only. ... For identification purposes all GM M22s have seven bolts attaching the Side Cover (inspection plate), no lines or rings on the Input Splines, have a drain plug ...

muncie m22 transmission du concasseur de roches. ... M22 "Rock Crusher" Identification The M22 closeratio transmission is easily identified internally from the M20 and M21 versions by the angle of the gear teeth The M22 was only produced in a closeratio version, so it will not appear on models with high rearaxle ratios (355 or lower numerically ...

The M21 & M22 is a four speed, RWD or 4WD transmission. The M21 & M22 is a Muncie engineering design, this transmission is aluminum case, extension housing and side cover. The side cover has seven bolts and two shift cams. The synchro rings have 35 teeth and the unit has a 4 step cluster gear. ... (40mm ID, 23mm Thick, 90mm OD) Max …

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The M22 has no rings on the input shaft, the M21 will have one ring, and the M20 has two rings on the input shaft but if the trans parts have been swapped around …

Muncie Models ( For Reference Only) ( all Transmissions are new ) Heavy Duty M20 $2300. USD. New Super Case : New billet alloy mid plate : ... Modular M22 style gearset with rollerized 1st speed gear : Sealed system with alloy vent case. Universal Shifter Shafts : Model Type: Ratios: M20 : 2.52 1.88 1.46 1.00 :

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 - Master …

Muncie 4-speeds have varying helix angles in the gearsets. Typically, the M20/M21 gearsets have a first-gear helix angle of 26.4 degrees and an input shaft angle of 39 degrees. The reduction in the angle with the M22 is quite substantial. The M22 first gear has an angle of 14.5 degrees and the input shaft is 24.2 degrees.

Ratios of the M20, M21, M22 . Year 1963-1965 Type: M20 Rings: None Ratio: 2.56 / 1.91 / 1.48 / 1.00 / 3.16 ... The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. The letter O would add confusion since it resembles zero. The serial number is a date code the transmission was built for a ...

The final incarnation of the muncie lasted until 1973 when the transmission was taken out of service. 1969-1973 Typical date code: P9B08C P-muncie 9-1969 B-February 08-Eighth day C-M22 MODEL …

MUNCIE PARTS IDENTIFICATION. Muncie main drive gear and countergear parts are easily identified when the transmission is apart. The following table outlines the …

Ratios of the M20, M21, M22. Muncie 4-speeds were produced in two different ratios wide-ratio (M-20) and close-ratio (M-21). An extra heavy duty close-ratio version (M-22) was also offered on many of the big-block high-performance models.The choice of transmission was dictated by the engine size and rear-axle ratio. Axle ratios of 3.73 and ...

Rick_L. · #2 · Jul 6, 2011. I would not recommend a Muncie M22 or M21 for any street driven or drag race car. It's simply not the right gear ratios for anything but road racing. The 2.20 low gear is just not low enough. If you want a 4 speed, get a Muncie M20 with a 2.52 low gear ratio.

The casting number 3925660 denotes this as a 1968 – 1970 Muncie with a 1-inch cluster shaft. In order to correctly identify a Muncie four-speed transmission, several visual clues are needed, and those cues involve the casting numbers on the case, side cover, and tailshaft.

At a glance, the Muncie M-20, M-21, and M-22 look the same on the outside except the M-22 could have a drain plug. I converted my M-21 to a M-22 and there is no drain plug. The differrences are internal and the best way to tell is to pull the side cover but you would have to know what you are looking for. The M-21 and M-22 use the same …

Muncie M22 REBUILD KITS: Quality parts from our inventory are assembled into kits for rebuilding M22 4 Speeds from 1965 to 1974. Kits are priced at $165.00 freight paid in US only. ... For identification purposes …

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.

This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case design. The Supercase has extra casting in all the known weak areas. The mid plate is aircraft grade aluminum.

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Muncie four-speeds were produced in two different ratios: the wide ratio (M20) and the close-ratio (M21). There also was a second, heavy-duty close-ratio version: the "Rock Crusher" (M22) that ...

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