m22 rock crusher specs

The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22. Later model 1971-'74 Muncies are also popular with racers, because these transmissions used a 32-spline output that is stronger than the early 27-spline, and the newer units seem to perform better in high-rpm and high-horsepower applications.

I currently have an M22 Rock crusher in my '56 Chevy pickup, As far as I was told by my father, he built this to M22 specs.

Passenger side of the unrestored M22 transmission. There are several interesting features which are special in the 1965 M22. All 1963-65 M20 and M21 transmission used a 7/8″ countergear pin in all assemblies. During prototype testing, this 7/8″ countergear pin was found to be the weak link in upgrading the Muncie transmission.

Main drive oil seal input shaft and bearing retainer. 34 tooth 1st super strong 1st gear (stronger that the M22 1st gear). C355 Forged Aluminum mid plate. Lightened main shaft for less rotating mass. The M23 is the strongest Muncie style 4-speed available. Lead time 4-6 weeks. 20% Cancelation Fee on special order. SPECIAL RUNS THIS WEEK.

The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet’s big-blocks in the mid-1960s. 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.

Muncie 4 Speedm21, M22, Rock Crusher | The Hamb. Tonymemberfrom rochester ny. usa. you can outfit an m20 or m21 with rock crusher type gears, or actually make speed od out of speed case. forth being the overdrive obviously.. actually the 3rd gear station becomes the od and the 4th gear station becomes 3rd,so the shift pattern isittle weird,1243.

Jun 22,  · There also was a second, heavy-duty close-ratio version: the “Rock Crusher” (M22) that was offered on some of the high-performance big-block models, starting with the 1965 Corvette. The choice of

The M22! This iconic transmission is based upon the infamous "ROCK CRUSHER" Transmission made famous in the 60`S AND 70`S by being installed in the L-88`S, BIG BLOCK 425 HP Factory Muscle Cars and HOT RODS of the past. The M22 has all new internal parts.

How to Identify Muncie 4 Speed Transmissions. The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed.

The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity. Just because you've found a 26-spline input shaft 

Find many great new & used options and get the best deals for Chevy GM Muncie M22 Rock Crusher Close Ratio 4 Speed Transmission 10 Spline at the best online 

L36-s36T: except M22 (1964-74) 3849388 WT297-12A L36-s36T: M22 'Rock Crusher' (1964-74) 3924796 WT297-12B NOTE: these TWO (2) gears w/o snapring counterbore on cone end: used w/o thrust washer. A13 Mainshaft 1st Gear Bushing all (1964-74) 3978781 3978781 A14 Mainshaft 1st/2nd Synchronizer Snapring all (1963) 3832626 3832626

JetBoatBill NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILD! Newly designed STATE-OF-THE-ART Muncie front case from "Auto Gear". This is by far the "BEST" replacement aluminum case ever built for a Muncie!

rock crusher specifications– RockCrusher. In addition, both sides of the RockCrusher chassis facilitate mounting rack ears or other brackets for professional road case installat

m22. rock crusher '71-'74 4-speed manual transmission: input shaft. 26 tooth, 26 spline; close ratio . professional quality input shaft: iso9001 certified; fits '71-'74 m22: close ratio; industry awt297-16f; photo shows similar, but not actual input shaft; aftermarket, imported; we ship every weekday from warehouses nationwide.

The M22 'Rock Crusher' featured a one-inch countershaft pin bore and shot-peened gears with aggressive helix angles that reduced heat and 

69 - 70 models M-22 ~ Input Shaft = Coarse 10 Spline with 27 Spline Tail 71 - 73 models M-22 ~ Input Shaft = Fine 26 Spline and 32 Spline Tail Shaft ***Note: This Transmission is shipped factory direct. Shipping charges will apply for all in-store pickups and show deliveries. Currently the build times are running 6-8 weeks, please plan accordingly.

The lower helix angle for the M22 was used to decrease running temperatures for road racing purposes. The lower angle also decreases the end thrust load on the case. The M22 were also stronger, IMHO, due to a larger 1st gear tooth cross-section area and the 9310 gear material vs. the 8620 material that the M20/M21 gears were made from.

This box looks like a M22 from the casting numbers, by all the bench racers that say they have a "Muncie Rock Crusher" in their car.

how to identify a m22 rock crusher | muncie m rock crusher parts. Muncie M22 Rock Crusher 4 Speed Vin Tag 1970 thru · This is a very clean Muncie M22 With Build Tag asking 1.400 .00For it and you can reach me on this video if you want it Just email me Thanks for watching Muncie also had a second close-ratio transmission coded M22 and known as

m22 rock crusher parts & accessories can you still buy kyosho nitro crusher frame bushing new 1965 Corvette VIN S116716 M22 Rock Crusher Muncie 1 of 57. This is for an Original REAL, "1 of Only 57 Made", M-22 Rock Crusher Transmissions that were installed in late-production 1965 Corvettes. It is a used 1965 Chevy Corvette VIN S116716 M-22 M22

GP200 COVERING G3310 m20 nut price ARTSOUND AG3306 Stylus Needle AG 3306 For Philips. AG 3306 Turntable Replacement stylus needle for Philips 3310 Specs: Stylus tip: Conical Diamond / LP / Twin flip over type Tracking Force: 4 - 6grams Stylus

Jun 13,  · The M22 was designed as a road race transmission, and the straighter angle of the gear teeth produced less heat and less end-loading of the gears. This decreased helix angle of the gear not only created a stronger gear set, but it also produced a substantial amount of gear “whine” which is highly noticeable when driving the car.

The only transmission avalable with LS5-LS6 Your choice T-400 or an M22. All 70 454s Vells had a M-22 or a T-400. Bob- 70- SS 454 M 22- Org. owner ACES 2825 A alss Premium Member Joined May 21, 2000 2,508 Posts #3 · Jun 19, 2006 M-22's were put behind the 454 cars. There are rumors of M-21 cars but I have never seen a Build sheet.

Note: Due to this part being oversized, dimensional weight, or heavy weight there will be a $30.00 surcharge added to your cart upon checkout. This charge is in 

He mentioned he had a M22 rock crusher in his car, and how rare it was because only a few of the M22's were "Rock Crushers".

Muncie 4-speed Transmission (Group 4.000) - Casting Numbers All M22 applications except 454 engine. All 454 Chevelle applications. The M22 was produced in 

m22 rock crusher parts & accessories | GP100 HEAD GP100. rock crusher in Parts & Accessories. 1 product rating - 17x9 Raceline 887 Rock Crusher 6x5.5/6x139.7 0 Polished Wheels Rims Set(4) 107.9. Low Price High Capacity Mobile Quarry Plant For Sale.

24,529. 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.

M-22 "Rock Crushers" made between 1967 and 1970 have 10 splines; transmissions made between 1969 and 1974 have 26 splines. Step 4. Look for the "GM" sign 

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