M-22 "Rock Crusher" Identification. The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not …
I believe all first gen Z/28s were available with only the close ratio Muncies. This would be the M21, which most had, and the M22 which very few had. You're right about the guy being way off. Guys always say they've got a rock crusher when they are refering to any Muncie, there are big differences as we know. The M20 is a great trans though.
Bought a supposedly rebuilt M21 off of Craigslist for $500 from a sketchy guy...of course no paperwork to prove the rebuild, so you know it hasn't been done. Took it to my transmission guy to check it out and, yep, no rebuild. …
M22 Rock Crusher. M22 Rock Crusher. Just bought a 1968 (originally was 427/435..currently has a CE replacement block from 69)) and I believe it has a M22 vice M21. ... Muncie 4-Speed Identification Guide. Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used when a car was ordered: the M20 ...
The Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. Cam Benty Writer John McGann Photographer Nov 04, 2022.
Personally, I think the angles vary from gear to gear. 1st gear on an M22 may be 19 degrees, 3rd may be 20 degrees. Also M22 gear sets were of a higher nickel alloy. The straighter angle was designed to produce less end loading of the gear train and less heat but created more noise, thus the nickname "rock crusher".
The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed. This had the same gear ratios as the M21 but with a heavy duty gearset. The reason you may ask?
How to Identify a M22 Rock Crusher | Cars DIY. An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your …
I have a 1970 m22 close ratio 4 speed from a 1970 ls6 I owned back I the 80s. Here is the info. ... Spending" 3000$ on a bolt on, period correct, grin inducing almighty and mythical transmission that is the great Muncie M22 Rock Crusher makes more sense for many compared to buying a retrofit kitted TKX for 5 000$.
How to Identify a M22 Rock Crusher | eHow An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars… How to Identify a M22 Rock Crusher | eHow An M-22 " Rock Crusher " is a Muncie four-speed transmission for cars made by General Motors in the 1960s.
Rock Crusher identity. ... The famous "rockcrusher" M22 4 speed had the same gear ratios as the M21 but with a heavy duty gearset. Although the gears are not spur gears ( completely straight ) they still produced a fair …
zero rock slider/hubs (use torque lock slider only with gearsets with torque lock synchros like korean gearsets) gear drive made from steel; muncie super case OR N24 Ultracase with ribs (even better) alloy midplate OR iron midplate (even better) alloy side cover; heavy duty tailshaft; etc etc.. just check out his shop
About identify rock crusher four speed trans-related information:how to identify a m22 rock crusher ehow 1970 chevrolet chevelle ss this is a real ss454 ls6 m22 rock, Get Price And Support Online how can i identify a rock crusher transmission. How to Identify a Muncie Four Speed - Hot Rod Network.
How to Identify a M22 Rock Crusher | Cars DIY & HowTo Blog An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. اقرأ المزيد
Muncie Rock Crusher Hotrunnersolutions Ingm muncie m rock crusher identification the m close ratio transmission is easily identified internally from the m and m versions by the angle of the gear teeth.muncie m22 rock crusher identification Mar 05, 2011 An M 22 Rock Crusher is a Muncie four speed transmission for cars made by General Motors in ...
muncie m22 rock crusher | Gulin – Electronics, Cars, … Find great deals on Gulin for muncie m22 rock crusher…
The M20 and M21 have the same cut to the gears, the M22 is a straighter cut resulting in a greater strength. Since the M20 and M21 look the same one way to tell them apart (aside from the grooves on the input shaft) is the tooth count on …
5 speed will give you the best of both worlds. I proved it to myself that the close ratio m21 or m22 is 2/10ths and 3mph difference. You want the 2.56 first gear, I have the m22 wide ratio maserio gears with a 4.30 in the vette and a m20 with 4.10's in the Camaro, make sure you bush the case and use A steel mid plate.
I currently have an M22 Rock crusher in my '56 Chevy pickup, and have another M22 that was rebuilt about 6 years ago by my father but never used. I also have what I believe is an M21, but I'm not certain. ... Go to it and …
How to Identify a M22 Rock Crusher. An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your car may not function properly. You can identify several unique signs that identify an M ...
T23:03:09+00:00 Guide to Muncie M20, M21, and M22 FourSpeed Transmissions. Aug 08, 2018 The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's bigblocks in the mid1960s The M20 and M21 transmissions produced from 1963'74 are easy to identify in bothEvery GM Rock Crusher has a casting number with which you can …
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-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission. It is the heavy-duty version of the 2.20:1 ratio ...
You can identify several unique signs that identify an M-22 "Rock Crusher," even if it does not have a GM hallmark imprinted on its surface. Step 1 Check the casting number, the production year and the gear ratios on the aluminum serial number plate attached to the transmission box.
How to Identify a M22 Rock Crusher | Cars DIY & HowTo Blog. An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your car may not function properly.
The only way to tell an M22 is by looking at the gear set. You cannot go by the old method of "it has a drain plug so it's an M22". Also the input shaft cannot be used as a guide because there are various firms now …
Across the top of the page are the words "First Build 4/15/65 – 1st Shipment 4/19/65, recap of M22 (Rock Crusher) Trans." By comparing these M22 transmission assemblies to Chevrolet's 1965 transmission identification codes, I found a perfect match.
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 ...
People think the "Rock Crusher" is special or stronger than a standard wide box Muncie. It is special in terms of price but it isn't any stronger. The "Rock Crusher" was built for road racing, with the angle of the gears straightened out to prevent excessive wear in the front bearings due to the forward thrust component of the force vectors ...
Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B. from Southern Ok. ""You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 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 is a little ...
Many people know about Muncie transmissions and the famous M22 "rock crusher" transmission that has straighter cut gears that allows you to bang the gears without pushing in the clutch. ... (see Muncie M20/M21/M22 …
The Gear Box is the source for Muncie Parts like the new assembled M22 SUPER ROCK CRUSHER 4 speed kit with micro super finish or downshift case support. The Gear Box Transmissions. Muncie-Tremec-Saginaw-TKO-Top Loader-Richmond. Home: View Cart: Muncie Kits & Parts: T56: T56 Corvette GTO CTSV: TR6060 / T56 Magnum: T10: Super T10: TKX: T5:
Technical Muncie 4 speed identification. Discussion in 'The Hokey Ass Message Board' started by ... M-22 Rock Crushers have gone up boocoo bucks since then.. ... it to my transmission guy to check it out and, …
I explain this in detail, because like so many BS stories that have occurred over the years, the M22//Rock Crusher is one of them that continues to be perpetuated by "armchair" experts. Originally, the M22 was ONLY a close ratio. But now, there are several aftermarket ratios available for converting an M20 or M21 into a wide ratio M22 for ...
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.
How to Identify a Muncie Four Speed. 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.
True enough the M22 did trickle out the door in 1965-67 and was buried in the option lists. It was around 1968 that easy to find the M22 on option lists, but the significant extra cost was a way to dissuade all but the most serious of gearheads. Drain plugs came to the M22 first, as did the fine splines.