m22 rock crusher noise

Straight cut gears vs helical | Automotive Thinker - Discussing the ...

Apr 18, 2011 ... The M22's gears did make some noise which earned it the nickname “Rockcrusher”. Interestingly, there is a gear design called a double helical...

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Rock Crusher! - Jalopnik

Jun 2, 2008 ... Oh, sure, "Rock Crusher" wasn't its official name, but I'm making up ... M-22's are noisy not from the gear pitch but from the low-helix gear set.

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Magical Muncie Four-Speed | Hotrod Hotline

There are three basic types of Muncies: M20, M21 and M22. A Muncie differs from a ... The downside is that it tends to make noise. It will rattle at low ... People think all Muncie four-speeds are Rock Crushers, but they're not. Nowadays there...

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Techtips - Manual Transmissions Explained - CarTech Books

Feb 26, 2015 ... The Muncie M21 and M22 close-ratio provide the narrowest range of gear ratios ..... This gear noise earned it the “Rockcrusher” nickname.

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TechRef - 5 Speed Transmissions

The noise is definately less than that of an M22 “Rock Crusher”, but more than a typical M20/M21. It's normal. One thing you can do to minimize the noise inside...

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Transmission: C3 Corvette Restoration Guide - Chevy DIY

Produced in low volume from 1968 to 1971, the M22 earned the nickname “Rock Crusher” because its straight-cut gears made a distinctive noise while driving.

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GT4 gear whine. - Rennlist Discussion Forums

The noise changes more with road speed than with engine speed. .... from SS 454, GTO, 442 W30, etc with the M22 rock crusher transmission!

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Braking and Handling - Car and Driver

... who can't remember M22. The difference between the two is the gears — a little straighter cut on the teeth in the rock crusher — and a great deal of noise.

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Muncie 4-Speed: The Complete History - Chevy DIY

The noise level increased because of this angle, giving the M22 the nickname “RockCrusher.” I believe the reasons for bringing the T10 to the Muncie plant were...

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Muncie ID

Year 1967-1974 Type: M22 Rings: None Ratio: 2.20 / 1.64 / 1.28 / 1.00 / 2.27 ... and less heat but created more noise, thus the nickname "rockcrusher".

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Muncie 4-speed - Chevellestuff

3925660, 1968 - 1969, M20 2.52 1st, M21 2.20 1st, M22 2.20 1st ... gear train and less heat but created more noise, thus the nickname "Rock Crusher" was born.

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Camaro - Transmission - Camaro Research Group

C = 2.20:1 HD Close Ratio (M22), aka "Rockcrusher" ... of the M22 causes a "whine" noise in 1st, 2nd, and 3rd gears and the sound is the reason for the popular...

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Introduction to Rebuilding GM/Muncie 4-Speed Transmissions

Mar 2, 2015 ... An M22 gearbox has about a 20-degree helix angle on the gearset, ... less end loading of the geartrain noise, thus the nickname “Rockcrusher.

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Muncie four-speeds - What to look for: hunting down G | Hemmings ...

You can identify the various M20, M21 and M22 transmissions by the input shaft. ... of the M22 created a problem with noise (hence the name "rock-crusher").

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Muncie 4 Speed Transmissions - 5 Speed

... they still produced a fair amount of gear noise thus the "Rockcrusher" name. These 4 speeds sound like a blower drive. ... Below left is an M22 1st gear.

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How to Rebuild a Muncie Four-Speed Transmission - Rock The ...

Oct 7, 2014 ... We've seen Rock Crushers for sale at swap meets for up to $2,000. .... After removing this bearing, we found the bearing to be quite noisy and likely .... The rebuilt Muncie M22 was ready to be put through the paces once more,...

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