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Muncie M22 Rockcrusher Close, Wide and NEW Extra-Wide (2

GEAR SETS (Muncie Gear Sets Complete, Close (X), Wide (W) and Ultra Wide (Z)) New Muncie M22 220 close ratio or 252 wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input Close ratio 26 spline gear sets available in Italian or Korean made

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

New Super Heavy Duty Direct Replacement and Strongest M22’s Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio Gears 26 spline input and large 32 spline output shaft C355 Forged Aluminum Mid-Plate Super Tail AG Roller Side Cover

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Magical Muncie Four-Speed | Hotrod Hotline

Magical Muncie Four-Speed By John "Gunner" Gunnell The Muncie M20 is basically a wide-ratio transmission and was intended for normal street driving use The early ones had a 256:1 first gear The later 1966-1974 units had a 252:1 first gear They are compatible with a GM 3 Series differential

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Muncie M-22 Rock Crusher Four Speed Transmission - New

MUNCIE M-22 ROCK Crusher Four Speed Transmission - New Gears - RARE WIDE RATIO - $1,79500 For sale is a rare WIDE Ratio Transmission for 57 thru 74 GM products including Grand Sport Corvette, Chevrolet, Oldsmobile, Buick and Pontiac and is a rare opportunity to own a virtually brand new M-22 WIDE Ratio Rock Crusher Transmission with a completely new gearset

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Close ratio VS Wide ratio 4-speed trannyPros/Cons

Feb 25, 2012 · Fourth gear is still 1:1; but first gear has less multiplication so you don't have as big a drop 1-2 A wide ratio Muncie(252) with 342 rear would have an effective first gear of 86, the same rear with a close ratio Muncie first gear(220) would be 75

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M22 Rock Crusher - 4 Gear Trans Co

We have complete M22 aftermarket gear sets, both 10 and 26 spline Inputs and either Close (220 first gear) or Wide Ratio (252 first gear) The Wide Ratio M22 gear set is based on the 252 first gear ratio's and is available in both 10 and 26 spline Inputs

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Muncie 4 speedM21, M22, Rock Crusher? | The HAMB

Mar 30, 2009 · That's where the 'whine' come's from with those transmission's Also, there's companies out there that are making new gear set's for Muncie's as wellnot just stock replacement stuff either You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed …

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Muncie four-speeds | Hemmings Daily

Sep 23, 2018 · The 220:1 ratio is commonly designated as the Muncie M21 transmission The 256:1 ratio is commonly referred to as the M20 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

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

Aug 07, 2018 · 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 …

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Muncie 4-speed - chevellestuffnet

All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set From 1963 to 1965 the close ratio M21 was ordered under the M20 RPO code and the factory decided whether to install a wide ratio M20 or close ratio M21 depending on the rear axle ratio specified

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Muncie 4-speed Transmission (Group 4000)

STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR SUPER CASE With The Strongest M22w WIDE RATIO or Close Ratio Gears for a 4 SPEED TRANSMISSION A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442 THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs AG Steel Mid-Plate AG Roller Side Cover

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Muncie 4 speedM21, M22, Rock Crusher? | The HAMB

Mar 30, 2009 · Also, there's companies out there that are making new gear set's for Muncie's as wellnot just stock replacement stuff either You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case Forth being the overdrive obviously Kinda nice if you want the Muncie look and an overdrive

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Changing Muncie M22 Gear Ratios - Gear Ratios Explained

Dec 01, 2015 · I replace an Ebay purchased M22 gearset with an Autogear M22Z set Comparisons of builds and gear ratios explained I have some dissassembly highlights in this video Other videos have more detail

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

Aug 07, 2018 · GM’s goal with the Muncie four-speed was to produce a better shift employing larger synchro cones He tells us both the M20 wide-ratio and M21 close-ratio …

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Muncie M22 4 Speed Rock Crusher Gear Whine - YouTube

Sep 03, 2015 · A video with better audio of the nostalgic sound of a Muncie M22 (Rock Crusher) transmission at work in a 1966 Chevrolet Chevelle Changing Muncie M22 Gear Ratios - Gear Ratios Explained

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Muncie Parts - thegearboxorg

Muncie M20 Wide Ratio or M21 Close Ratio Gear Set New Muncie M20 252 Wide Ratio OR M21 220 close ratio gear set From $41900 Muncie M22 Rockcrusher Close, Wide and NEW Extra-Wide (298) Ratio Gear Set - Italian or Korean made New Muncie M22 220 close ratio, 252 wide ratio, or NEW 298 'Z' Ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input

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Muncie 4 Speed Transmissions And Rebuild Kits

Home of the world's best 4 speed muncie transmissions and parts We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions

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M-22 Rock Crusher 4-Speed Transmissions by JetBoatBill

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! The front bearing is a "SEALED" bearing, and slightly thicker than the original Muncie's

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Muncie 4 Speed Transmissions - 5Speeds Transmission Home …

The new Muncies being built today have some better ratiosToday's examples of the new car gear set ups are Mustang GT's with a 335 1st gear and 308 rear New Camaros with a 268 1st gear, 373 rear gear and 59 overdrive

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Muncie Transmission Id and ratio guide

All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P" Muncies assembly codes are model year (example: P8R23 is assembled Oct 23, 1967 for 1968 model year Some Muncies also carry ratio ID (A, B, C,) Last digit of assembly code

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Muncie M-22 Rock Crusher Four Speed Transmission - New

MUNCIE M-22 ROCK Crusher Four Speed Transmission - New Gears - WIDE RATIO - $1,79500 For sale is a rare WIDE Ratio Transmission for 57 thru 74 GM products including Grand Sport Corvette, Chevrolet, Oldsmobile, Buick and Pontiac and is a rare opportunity to own a virtually brand new M-22 WIDE Ratio Rock Crusher Transmission with a completely new gearset

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MUNCIE M23Z 4 SPEED TRANSMISSION - SEVERE DUTY ULTRA-WIDE …

MUNCIE M23Z 4 SPEED TRANSMISSION - SEVERE DUTY ULTRA-WIDE RATIO INTERSTATE / ECONOMY THESE ARE BRAND NEW MUNCIE TRANSMISSIONS WITH ULTRA HEAVY DUTY CASE AND THE LATEST UPDATES / REVISIONS IMPROVING THEM COMPARED TO THE ORIGINAL "ROCK CRUSHER" - AND THE M23 SERIES TRANNYS FEATURE A STRONGER FIRST GEAR FOR DRAG RACERS !!

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muncie m22 rock crusher - BINQ Mining

M22 Rock Crusher – 4 Gear Trans Muncie M22 "Rock Crusher 4 SPEEDS FROM 1965 TO 1974: This page is devoted to OEM Complete units; Muncie M22 Rockcrusher Close & Wide Ratio Gear Set New Muncie M22 close ratio or wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input

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Chevy Gm New Muncie M22 Rock Crusher Wide Ratio 4 Speed

Chevy Gm New Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission Brand New Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission 10 Spline Input Shaft And 32 Spline Output Shaft With Ultra Have Duty Case And Gear Set A DIRECT REPLACEMENT FOR YOUR OLD MUNCIE OR T-10

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M22-Wide vs M22 "Rock Crusher" - Chevelle Tech

Oct 29, 2008 · The reproduction trannys are available in all of the original Muncie gear ratio versions, including the Heavy Duty M-22 version Since the original M-22 was ONLY available in the close ratio version, there is NOW an M-22W This M-22W version is simply a wide ratio version (thus the W) …

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muncie m22 rockcrusher close & wide ratio gear set made in usa

The Muncie M20 is basically a wide-ratio transmission and was intended for normal The Muncie M21 is a close-ratio unit originally designed to be matched with 411:1 or “Dump the Rock Crusher,” hot rodders say Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio units More details » Get Price

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MUNCIE M22W 4 SPEED TRANSMISSION - STREET STRIP - WIDE RATIO

these are brand new muncie transmissions with ultra heavy duty case and the latest updates / revisions improving them compared to the original "rock crusher" a direct replacement for your muncie or t-10 (shifter not included) call for more information !

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Transmission : Muncie Gears & Gear Sets - 1967, 1968, 1969

Muncie M-20/M-21 transmission 3rd gear for 1 inch countershaft Correct for 220 Close Ratio or 252 Wide ratio transmis 66-67-68-69-70-71-72 : $10495 $9446 You Save: 10%

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muncie m22 rock crusher - BINQ Mining

new design muncie m22 rock crusher close ratio 4 speed this is the m-22 transmission that gm could not built! THIS IS THE M-22 TRANSMISSION THAT GM COULD NOT BUILT! Newly designed …

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It's Worn • Guide to Muncie M20, M21, and M22 Four-Speed

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 Chevrolet’s big-blocks in the mid-1960s The M20 and M21 transmissions produced from 1963-’74 are easy to identify in both wide- and close-ratio units

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Specials - 4 Gear Trans Co

We have an overstock situation with Fine (26) Spline M21 (26 Tooth) Close Ratio Input Gears and Fine (26) Spline M20 (21 Tooth) Wide Ratio These are correct for the 1970 to 1974 Muncie 4 Speeds for Corvettes and GM Passenger Cars

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how to identify a chevrolet rock crusher gearbox - arstadnl

Feb 21, 2010 · 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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GM Muncie 4-Speed Decoding : Drivin' It Home

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 (355 or lower numerically) unless someone has changed it

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Motorsports | Custom Gearboxes | Muncie | Autogear

How are Auto Gear ‘Muscle Car’ parts made? Manual transmission engineering is a Syracuse tradition older than the automobile; when we can’t answer questions ‘in house’, we routinely tap world-class resources available almost nowhere else in North America All our gears and shafts and castings are controlled by Auto Gear prints

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M22 Rock Crusher Ratios - 8ucoza

How to Identify a Muncie Four Speed: Build Date 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 M20, the close-ratio M21, and a second heavy-duty close-ratio M22, also known as the "Rock Crusher"

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M21 & M22 4 Speed Muncie Chevrolet & GM Rebuilt Manual

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 shift cams The synchro rings have 35 teeth and the unit has a 4 step cluster gear

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Muncie Transmission Id and ratio guide

Muncie Transmission ID and Ratio Guide Series: Gear Ratio 1st, 2nd, 3rd, 4th: Spline Input: Grooves Input: Cluster Pin : Tooth Count Input: Tooth Count 4th Cluster: Output Spline: M-20 wide ratio 63-65 M-20 wide ratio 66-70 M-20 wide ratio 71-74 M-21 close ratio 63-65 M-21 close ratio 66-70 M-21 close ratio …

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Muncie 4-Speed: The Complete History - Chevy DIY

Muncie 4-Speed: The Complete History Hence the name “RockCrusher” Muncie 4-speeds have varying helix angles in the gearsets Typically, the M20/M21 gearsets have a first-gear helix angle of 264 degrees and an input shaft angle of 39 degrees The reduction in the angle with the M22 is quite substantial

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