Gear ratio difference between M20, M21, M22
M21, M22 - 1st, 2nd, 3rd, and 4th are closer together 1st----2nd---3rd---4th Have higher 1st gear ratio and all 4 gears are closer together ... BTW, you can now buy high-quality M22 "rock crusher" style wide ratio gearsets! Tops on my Christmas wish list... Reply Like. The following users liked this post: EarlyC34me (10-03-2017) 09-12-2008 | 06 ...
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American Chevy Muncie – M20, M21, M22 | Allstate Gear
All M22s use a 26-spline shaft made from a stronger alloy than the other 4-speeds. However, GM made both 10- and 26-spline versions of the M20 and M21. There are two ways you can tell the difference between the M21 and the Rock Crusher. The M22 has 27 teeth on the countershaft gear, while the M20 and M21 have 29 teeth.
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M-22 "rock crusher"
Because the angle at which the gear teeth were cut was less than the angle of teeth in an M20 or M21, this made the gear teeth stronger and less likely to break under …
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M-22 "rock crusher"
ORIGINALLY, in the beginning of the Muncie evolution, there was the M20(wide ratio) and the M21(close ratio). ... ONLY AND ALL M22 MUNCIES ARE CALLED ROCK CRUSHER! For folks who may not be familiar with the difference in the angles which the teeth are cut in an M20/M21 and and the M22, below is a comparison. The M22 is on the bottom.
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Muncie Identification | The H.A.M.B.
Although some claim that the M23 is a 'rock crusher', it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission. Looks like you have a second design-feb. 28th, 1968, M20 or M21. Definitely not a rock crusher(no straight cut gears).
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American Chevy Muncie – M20, M21, M22 | Allstate Gear
There are two ways you can tell the difference between the M21 and the Rock Crusher. The M22 has 27 teeth on the countershaft gear, while the M20 and M21 have 29 teeth. M20 …
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® QJ Extec Jaw Crusher Spares & Replacements
Crusher parts by CMS Cepcor® – Genuine alternative ... CMS Cepcor® stocks corrugated, tall tooth, quarry (material M21 only) and the very successful CMS Cepcor® heavy duty corrugated profiles (that came years before the Opti-Tooth jaw profile) in M14, M18 and M21 materials to suit ® and Extec jaw crushers.
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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 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio). (The M does not stand for "Muncie.") Typically, when you ordered a …
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Crusher 21
Crusher 21 (born: February 9, 2006 () [age 18] is an English YouTuber who mostly makes content about the Supercell game, Clash Royale, and he also used to upload videos about the game Rocket Royale around early 2019 to 2021. Crusher, being only 13 years old, decided to open his channel, while at the same time, uploading his first video (which he currently thinks …
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Rock Crusher identity
It tells how to pick out what is what but the main thing to look for in a M-22 is the gear angle. Take off the side cover and look at the angle of the gears. M-20, m-21 will have 45 degrees gears and the m-22 is 22.5 degrees. …
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Muncie 4-Speed: The Complete History
The gear on the left is the standard M20 and M21 and the gear on the right is the M22. I placed them back-to-back so you can see the difference in the helix angles of the teeth. The M22 is straighter. The tooth counts and gear pressure angles of M20, M21, and M22 gears are the same. The difference is the helix angle.
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what trans is stronger super T10 or m21 muncie?
M21's are inherently weak, but the M22 aka ( rock crusher ) is the beefed up version of a close ratio m21, the M22's were designed to handle the higher torque and HP of GM's big block engines produced through the mid to late sixties, the super T10 was produced from 74 to 82, they have a 21 spline input shaft, hardened gears and a hardened cases, in my opinion, a …
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How To Identify Chevy Four-Speed Transmissions
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 chevelles. The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by the engine size and rearend axle ratio.
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M22 4 speed rock crusher
I also have a M21 with same close ratio as m22 but with two rings on front spline. @@@@@ M22 specs 10PP229308 stamp on casting 3925661 casting ... 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 ...
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Show Car Quality Products
Muncie M22 Aluminum "Rock Crusher" Transmission (Fits M20 and M21 and will match your 10 spline clutch plate and 27 spline drive shaft yoke and will accomodate your existing shifter) Paypal. We accept Personal Checks (product ships after personal check clears), Money Orders, Cashier Checks (Bank Checks) and all major credit cards, including ...
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Crusher Liners | World-Leading Crusher Liners
Available in our M14, M18, and M21 material grades we have a cost-effective solution to your specific requirements. CMS Cepcor® also supplies premium wear parts in B9 alloy steel, martensitic steel, martensitic ceramic matrix, chrome …
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Muncie Rock Crusher M21 4 speed rebuilt in crate
Like new Muncie 4 speed M21 1500 obo · Classifieds. See all. $13. GI Joe Classified figures for sale! new and sealed. prices vary $13 - $20. Millbrae, CA. $499. Gi Joe Classifieds. Ships to you. $140 $150. Deluxe Snake Eyes Gi Joe Classified ...
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Muncie Identification | The H.A.M.B.
The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that was used, beginning in 1970.
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Muncie Calendar Date Codes — D.M.E. Transmissions
1969-1974 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.
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1969 Chevrolet Camaro SS – Advance Auto Sales
Underneath the hood lies a period-correct 396/375 HP engine paired with a Rock Crusher M21 4-speed transmission, delivering thrilling power and performance with every shift. With a 12-bolt Posi rear end featuring 3:73 gears, this Camaro offers exceptional traction and acceleration, ensuring an exhilarating driving experience on any road.
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M21 M22 4 Speed Muncie Manual Transmission
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 …
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Muncie Noise!!
A tired rear bushing will give you a wobble under load ; the M22 "rock-crusher" noise is just in the cut of the gears, and quits once you shift into 4th . M21 Muncie's are fairly quiet till they come unglued .
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MUNCIE M21 TO M22 TRANSMISSION GEAR CONVERSION KIT 6 …
m21 to m22 '63-'74 4-speed manual transmission: gear conversion kit. 6-piece; heavy duty; with 26 tooth, 10 spline input shaft; with 1st, 2nd, & 3rd gears; with cluster shaft; with front idler gear . m21 to m22 gear conversion kit; heavy duty; professional quality: iso9001 certified; converts m21 to m22 close ratio; includes: 26 tooth, 10 ...
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M22
That also means you may have an M20 or M21 as it will whine in 1st, 2nd, and 3rd gear while driving and sound like an M22! Jody Haag 610-413-8015 Jody's Transmissions on Facebook. Reactions: ridesdirt. Save Share Reply Quote Like. ridesdirt Discussion starter 2218 posts · Joined 2022 ...
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How to Identify a Muncie Four Speed: Build Date Codes
2. 04 represents the month code when the unit was assembled, April. 3. 21 represents the day of the month the unit was assembled, the 21st day of April.
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The Story of the Mighty & Majestic Muncie 4 Speed …
The M22 was eventually dubbed the "Rock Crusher". It is a common misconception that all Muncie transmissions are "Rock Crushers", but it is only the M22 that deserves that name. The M20 and M21 were both release in 1963, but it wasn't until 1965 that the M22 hit the market. The M22 was created for the Corvette Grand Sport racing program.
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Guide to Muncie M20, M21, and M22 Four-Speed …
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 …
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Muncie M22 Rock Crusher
Explore a wide range of our Muncie M22 Rock Crusher selection. Find top brands, exclusive offers, and unbeatable prices on eBay. Shop now for fast shipping and easy returns! ... FOR ALL MUNCIE M20 M21 M22 ROCK CRUSHER 3&4 SPD. Opens in a new window or tab. Brand New. $11.95. Buy It Now +$4.95 shipping. Last one. 6 watchers. Sponsored. grampas ...
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Muncie 4 Speed Transmissions
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 gear to compensate for the dead first gear. That was OK when gas was cheap in 1967 and you did not mind pulling 3000 RPM at 50 MPH while going to work. Times and requirements have changed making ...
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Midwest Muncie | Muncie 4 Speed Transmissions And …
Recent Comments. Randall D Resler II on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Jeff Collins on Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Thomas N. on Muncie Super Duty M23 Upgraded Ultra Case 4-speed …
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