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M Rock Crusher Transmission Gear Ratios

M Rock Crusher Transmission Gear RatiosMuncie four-speeds | HemmingsGet PriceMuncie also had a second close-ratio transmission designated M22 and often referred to as the "rock-crusher," which was us

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M Rock Crusher Transmission Gear Ratios

Muncie four-speeds | Hemmings

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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 M21 four-speed.

Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher

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Gear Ratio Choices: Z RATIO (1st-2.984, 2nd-2.043, 3rd-1.468, 4th-1.00) W RATIO (1st-2.559, 2nd-1.752, 3rd-1.366, 4th-1.00) Pair it with a faster axle, say a 3.54 for street or a 4.11 for the strip; X RATIO (1st-2.199, 2nd-1.506, 3rd-1.174, 4th-1.00) For road racing and tracks; Shaft Choices: 10 or 26 Input Spline; 27 or 32 output Spline

Guide to Muncie M20, M21, and M22 Four-Speed

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 · He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of …

Guide to Muncie M20, M21, and M22 Four-Speed

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 · 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 does not mean you’ve found an M22 input …

M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill

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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!

Muncie 4-speed Transmissions | Hemmings

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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 highly sought-after for performance applications.

Chevy Transmissions: Muncie 4 Speed M22 Rockcrusher

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Chevy Transmissions: Muncie M22 “Rock Crusher 4 Speeds were made From 1965 TO 1974: The most popular transmission of it’s time for high performance cars built for Chevrolet and all performance oriented G.M cars. They have the same gear ratios as the legendary M21 but with a heavy duty gearset.

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed

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SUPER ROCK CRUSHER M22 650 HP. CALL for orders; NEW Direct replacement M22 ; For up to 650 HP power applications; 10 or 26 Input Spline; 27 or 32 output Spline; Speedo tooth count needed; Includes Richmond GL4 Gear Oil; No core charges; Z RATIO (1st-2.984, 2nd-2.043, 3rd-1.468, 4th-1.00) W RATIO (1st-2.559, 2nd-1.752, 3rd-1.366, 4th-1.00)

M22-Wide vs M22 "Rock Crusher" |

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 · the old "Rock Crusher" was a "close ratio trans, the same as the M21. the new "wide" in a widfe ratio, similar to the M20 (ratio-wise). Both version will have similar RPM drops between 1st-2nd and 2nd-3rd, but the wide ratio will have a bigger drop between 3rd-4th, hence the "wide ratio" …

Muncie 4 Speed Transmissions

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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.

Muncie 4-speed Transmissions | Hemmings

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The 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.

Inside the N-series M23 Transmission from Auto Gear

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 · GS: We duplicate the M20 and M21 gearset, and the M22 "Rock Crusher" in three ratios (2.20:1, 2.56:1 and 2.98:1 First gears). For our "severe duty" …

Brand New SUPERCASE M22 4-Speed Muncie Rockcrusher

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This a BRAND NEW SUPERCASE M22 4-Speed Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original Rock Crusher transmission.

M22-Wide vs M22 "Rock Crusher" |

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 · 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.

Chevy Transmissions: Muncie 4 Speed M22 Rockcrusher

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Chevy Transmissions: Muncie M22 “Rock Crusher 4 Speeds were made From 1965 TO 1974: The most popular transmission of it’s time for high performance cars built for Chevrolet and all performance oriented G.M cars. They have the same gear ratios as the legendary M21 but with a heavy duty gearset.

NEW Muncie M22 SUPER ROCK CRUSHER 4 speed Transmission

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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

Muncie 4-speed

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The 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.

what is a rock crusher transmission? | Yahoo Answers

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 · 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 appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.

Muncie 4-Speed Identification GuideChevy DIY

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The mathematical formula for determining a gear ratio in these transmissions is: Ratio = (A ÷ B) x (C ÷ D) Where: A = headset-driven-gear (countergear . front gear) tooth count. B = input-shaft tooth count . C = first-speed-gear tooth count . D = countergear tooth count Let’s use the late M20 and plug the tooth counts into the above formula .

Muncie 3 speed transmissions |

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 · GTO 3-Speed Transmission, 1972 GTO, Heavy Duty 3-speed transmission, Dearborn, Muncie, M13, M12, Muncie M20, M22 rock crusher, Auto Round-Up MagazineA: L.C., thanks for the nice words. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto Roundup/Car Collector Corner .

Converting to a M22 Rock Crusher | Team Camaro Tech

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 · 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. 69 Copo 9560 ZL-1 automatic [email protected] , 1.95 on f70-14 polyglas F.AS.T. Race June 2016

So you've decided to slam four with a GM Muncie Transmission

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It is sometimes referred to as the “close ratio” trans as the gear ratios are closer together in comparison to the M20. M22, the rarest of the bunch. It’s nickname is the “rock crusher” due to the noise generated by the gearset. The gear ratios are the same as in the M21, but the tooth angle is different.

How to Identify a Muncie Four Speed: Build Date Codes

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 · Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the wide-ratio …

The 1965 Chevrolet M22 Rockcrusher Transmission: The

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 · 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.