are gm m22 munice rock crushers 4 speed trans good for hp

Pontiac Manual Transmissions - Pontiac Custom Safari 55 56 & 57

Pontiac first offered a 4-speed in 1960. ... Heavy Duty Top Loader (Late '64), 1968-72, M22, Muncie Close Ratio "Rock Crusher" Heavy Duty ... UPC = GM Universal Product Code. ... for a list of transmissions by year and some good comments. ... I have used this trans behind a 450" JBP motor that produced 485 hp @ rpms.

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How to Restore Your Camaro: Transmission Guide - Chevy DIY

The famed Muncie M21 and M22 “Rock Crusher“ transmissions are tough ... The Saginaw M20 4-speed trans- mission is best suited for engines up to 300 hp...

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4 speed transmission questions [Archive] - NastyZ28.com

[Archive] 4 speed transmission questions Transmission & Driveline ... 400 hp and 475 ft torque motor it might be too much for a tranny that ... The old Muncie/SuperT10 are great transmissions, and can ... Muncies "Rock Crusher" is tougher than a box of nails. ... That rating was arrived as it is now by GM.

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1969 Chevrolet Chevelle SS Convertible 396/325 HP, 4-Speed | Lot ...

Correct 396/325 HP engine. M22 Rock Crusher 4-speed transmission. ... HP engine with correct GM hoses, clamps and markings, a Muncie M22 “Rock ... Correctly finished right down to its T3 headlights, engine detailing, trunk mat and spare...

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Transmission: C3 Corvette Restoration Guide - Chevy DIY

At the end of C3 production in 1982 only a 4-speed automatic transmission was available. ... The Muncie M20 wide-ratio 4-speed has been installed behind a 190-hp, 350-ci ... the M22 earned the nickname “Rock Crusher” because its straight-cut gears made a ... One of the GM Turbo Hydra- Matics is also a good choice.

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Chevrolet Chevelle SS LS6 Long Ratio laptimes, specs ...

Engine type, GM Chevrolet LS-6 454 V-8 (big-block) ... Power / liter, 61 ps (60 hp). Transmission, Muncie M20 4 Speed Manual (3.31 ratio) ... A NEW 454 LS5 chevelle hard top 3:31 posi m22 ROCK CRUSHER AT 6500 RPM and speed o ... With the right gear ratio an LS6 EASILY made enough power to top out at 160 MPH.

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NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher 26 ...

NEW Auto Gear Super Case Muncie M22 4-Speed Rock-Crusher 26/32spl ... PERFECT SUPER HEAVY DUTY M22 4-SPEED FOR BIG HP CARS, PRO ... Great Direct Replacement for 70-74 GM 4-speed Transmission for those big HP Motors.

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Muncie 4-speed Transmissions | Hemmings Motor News

Muncie also had a second close-ratio transmission coded M22 and known as the "rock ... The term "rock crusher" refers to the noise made by the meshing of the ... units seem to perform better in high-rpm and high-horsepower applications. ... Other GM automatic transmissions sharing the same 27-spline output are the.....

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Muncie m20 vs M21 - Hot Rod Forum : Hotrodders Bulletin Board

I was wondering if M21 is better then a m20. ... the M22 (the rock crusher as we racers called them) are designed to take ... from high HP and high Torque engines and are built by GM for drag ... Muncie 4 Speed Transmissions

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Muscle Cars You Should Know: 1970 Chevelle SS 454 LS6 - Chevy ...

Oct 22, 2013 ... In addition to the standard Muncie M22 Rock Crusher 4-speed ... 1977, and was the only GM car at the time to have ever topped the horsepower rating of the Corvette. ... at best), LS6 Chevelles remain highly sought-after collectors items. ... LS6 with numbers-matching engine and Muncie M22 transmission...

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