By comparing these M22 transmission assemblies to Chevrolet's 1965 transmission identification codes, I found a perfect match. This transmission identification code list was issued by the Chevrolet Facilities and Product …
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WhatsApp: +86 18221755073Muncie 4 Spd Car M22 "Close Ratio" Gear Kit 10 Spline Input This M22 Gear kit will have a 1" Countershaft pin, 10 Spline input, Close Ratio 2.20 1st gear. The kit will include the Input shaft (4th gear), Countershaft, 1st gear, 2nd gear, 3rd …
WhatsApp: +86 18221755073The 2.20:1 ratio first gear is usually referred to as the Muncie M21 transmission; based on GM's production codes. The 2.56:1 ratio is referred to as the M20. 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 ...
WhatsApp: +86 18221755073M22 first gear is 2.20 (about 22mph at 3k) TKO first gear is 2.87 (about 17mph at 3k) M22 second gear is 1.64 (about 29mph at 3k) ... "It's got an M-22 Rock Crusher". If you swap it for a TKO-600 (The 600 stands for 600 lb-ft of torque capacity) then that claim is gone. I had a M-22 in mine, but it was not original, and at the time I hadn't ...
WhatsApp: +86 18221755073Today's VINs (vehicle identification numbers) are even bar coded. A service technician can use a scanner to find a VIN, and any known service issues are easily found. ... 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.
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WhatsApp: +86 18221755073It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today. Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes. The specialty rebuilders that have …
WhatsApp: +86 18221755073Once u step on the clutch and put it in gear, this is when the gear selected stops free spinning Immediatly. Eliminating any noise from this gear. I deal with race car straight cut gear boxes but same principle. It's possible to whine in neutral but should be a lot less when not having a load on it. As far as gear oil the brass needs gl4 oil.
WhatsApp: +86 18221755073Be the first to review "Muncie 4 Speed Rebuild Kit 1″ w/307 Bearing" Cancel reply. ... Muncie M22 Rock Crusher First Gear $ 119.00 Add to cart; ... Competition Plus Catalog; Installation Instructions for Hurst Shifters; Muncie Identification; Speedometer Gear Calculator; T10 Indentification; Transmission ID; Follow Us. Top Brands. ACCEL ...
WhatsApp: +86 18221755073Since they used a dummy car for inside dialog shots you miss the flavor of the M22 in that flick. The dead 2.20 first gear ratio which is the same in the M21 is not that good for off the line acceleration. You would need at least a 4.56 rear end …
WhatsApp: +86 18221755073The 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" was born. Another misconception is if you have a drain plug you have a M22.
WhatsApp: +86 18221755073im looking forward to the classic m22 whine with the new Auto Gear Muncie (ultra wide ratio) M22Z. It has 2.98/2.04/1.46/1 ratios. First gear 2.98x3.08 rear yields 9.2 in first. MUCH better than my previous clutch slipping setup …
WhatsApp: +86 182217550731969-1974 codes include a suffix letter at the end to aid in identification of transmission ratios. A = 2.52 1st gear wide ratio M20, B=2.20 1st gear close ratio M21, C = 2.20 first gear Rock Crusher M22. One example code would be ( P0E21 A ) which reads: Muncie four speed aluminum for passenger car, 1970, May, 21st, ratio M20. Just For You.
WhatsApp: +86 18221755073The FACTORY M-22s were ONLY a close ratio version (2.20:1 first gear). The aftermarket M-22s are available as either a close ratio or wide ratio (referred to as an M-22W …
WhatsApp: +86 18221755073M22 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 known Muncie …
WhatsApp: +86 18221755073C-M22 MODEL IDENTIFICATION(1969-1972) A-M20 B-M21 ... and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that was used, beginning in 1970. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke. ... (26 Gear Teeth) (No Rings) (2.20 First Gear ...
WhatsApp: +86 18221755073Doe this mean it's still an M22 but just manufactured at the Saginaw assembly plant or it's not an M22 "Rock Crusher Transmission". I am just learning ! ... ID - 136370R Vin - 136370R235102 . ... (2.20:1 first gear). The aftermarket M-22s are available as either a close ratio or wide ratio (referred to as an M-22W with a 2.56:1 first gear).
WhatsApp: +86 18221755073I 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. ... like "P0139A" The last letter ID's the trans A M20 B M21 C M22. If …
WhatsApp: +86 18221755073The whine of the Rock Crusher is about as much of a muscle car sound as high compression, headers, and tappet noise. I think this is a perfect time for one of those Tim Allen "Argh, argh, argh." Shoot, those 4.10's with a close ratio give an even better first gear than the 3.31's with the 2.64 ST-10.
WhatsApp: +86 18221755073I never had any interest in the M22 personally as my first Chevelle (L78) in '67 came with the M20 and I simply loved it hooked with 4.10 posi. ... I have no interest in an M22 with the 2.20 1st gear. All my cars now have high geared rearends (3.08-2.73-2.41) rearends and transmissions with a LOW 1st gear. ... grin inducing almighty and ...
WhatsApp: +86 18221755073The most common types are the M20, M21, and M22, which relate to the gear ratios and the intended use. Physical Characteristics: Inspect the transmission housing – differences can be spotted between the Muncie models based on the bolt patterns and overall design. Common Codes. M20: Wide ratio, mainly used in regular driving.
WhatsApp: +86 18221755073The 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 …
WhatsApp: +86 18221755073m22 rock crusher. Jump to Latest ... Sort by Oldest first ... Various gear manufactures make replacement gear sets for M22's that will fit in any case with a 1" countershaft. The replacement gear sets do not have identifying rings on the input shaft to tell the ratio. Again, the only tried and true way to tell if it's an M22 is to pull the side ...
WhatsApp: +86 18221755073The dead 2.20 first gear ratio which is the same in the M21 is not that good for off the line acceleration. You would need at least a 4.56 rear end gear to compensate for the dead first gear. ... Top countergear is an M22. Lower gear is an M20. Notice the different helix angles of the gears. Below left is an M22 1st gear. Right is an M20 / M21 ...
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WhatsApp: +86 18221755073The M22 transmission has a 20 degree helix angle on the gear set as opposed to a 45 degree angle found on the M20 and M21 and were made with 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" was born.
WhatsApp: +86 18221755073The 2.20:1 ratio first gear is usually referred to as the Muncie M21 transmission; based on GM's production codes. The 2.56:1 ratio is referred to as the M20. 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 ...
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