glenn on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4 speed Perfect Performance with to Rear End Gears SALE ENDS 9/30/22 Joe Gio on Muncie Super Duty M23 Upgraded Ultra Case 4 speed Road or Drag Racing Rock Crusher SALE ENDS 9/30/22 steve cooke on Muncie Super Duty M23 Upgraded Ultra Case 4 speed Road or Drag Racing Rock
Cause that s why I m liking the DR4 or the M22 Rockcrusher yes I know the Muncie isn t straight cut but they are straighter then most Aug 23 2022 #6 A Air Adam 550 600 ft lbs of torque I ll probably have a little over $1000 in it by the time its done including the cost of the transmission itself Aug 23 2022 #7 GOLF72 Veteran Member
STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR Upgraded Ultra 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…
finally a show car transmission worthy of your ultimate show car vehicle the m22 this iconic transmission is based upon the infamous rock crusher transmission made famous in the 60 s and 70 s by being installed in the l 88 s big block 425 hp factory muscle cars and hot rods of the past the m22 has all new internal parts
The M 22 gear teeth are cut at a noticeably lower angle not quite at a straight angle as some people say This lower angle of the teeth imparts greater strength to the gears but it also increases the noise caused by the meshing of the gears This higher level of noise is where the nickname Rock crusher originated
Thus bottom line ONLY the M22 is properly nicknamed as Rock Crusher And some people who just flat do not know what they are talking about BS ers or they just want to brag will say they have an M22 or rock crusher in their car Their BS is IMMEDIATELY recognized when their car starts moving and NO WHINE
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
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
Muncie M22 rock crusher transmission posi limited slip diff The car is an excellent driver quality vehicle Please see my walk around video here The vin is 1Q87T4N224182 According to the codes the car is the base sport coupe built in norwood ohio came with the saddle interior contour seats and was medium dark green I don t
TonyMemberfrom Rochester NY USA 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 Actually the 3rd gear station becomes the OD and the 4th gear station becomes 3rd so the shift pattern is a little weird 1 2 4 3
This is a Very Rare and Completely and Freshly Rebuilt M 22 Transmission with REAL GM Rock Crusher Gears for 1970 1971 and 1972 GM Vehicles including Chevy Corvette Camaro Chevelle and other GM vehicles of that vintage These first came out in the 1970 Chevelle with the fine spline input and they were then released in the 1971 and 1972 Corvettes and other GM has stamped
CURRENTLY UNAVAILABLE UNTIL SPRING TAKING ORDERS $ PLUS S/H ASSEMBLY FEE of $ OPTIONS YOU CAN ADD $ MICRO SUPER FINISH $ THRUST BUTTON FOR HEAVY LAUNCH AND DOWNSHIFT CASE SUPPORT SUPER ROCK CRUSHER M22 650 HP CALL for orders
m22 rock crusher 71 74 4 speed manual transmission input shaft 26 tooth 26 spline close ratio professional quality input shaft iso9001 certified fits 71 74 m22 close ratio industry awt297 16f photo shows similar but not actual input shaft aftermarket imported we ship every weekday from warehouses nationwide
In a nutshell the M 22 was beefed up with a new 1 countergear pin and the helical angle cut gears which make that great gear noise we all love so much thus the name rockcrusher Jun 13 2022 #3 A
Heartbeat City stocks a full line of NOS Camaro Parts Rare Camaro Parts Old Camaro Parts Reproduction Camaro Parts and hard to find Used Camaro parts for your first generation 1967 1968 1969 camaro
Dec 9 2022 muncie m20 m21 m22 transmission the muncie is distinguished from the saginaw in that the reverse m 22 rock crusher identification read more m22 rock crusher 4 gear trans muncie m22 rock crusher 4 speeds from 1965 to 1974 this page is for identification purposes all gm m22s have seven bolts attaching the side cover read more →
Rare Corvette ownership opportunity Check out his stunning Nassau Blue 1966 Chevrolet Corvette 427 M22 Rock Crusher Feel the Rock Crushing power of American Muscle thanks to the L 72 427 Cubic Inch Big Block engine under the hood connected to the infamous Munchie M22 Rock Crusher heavy duty close ratio 4 speed manual transmission
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 This transmission identification code list was issued by the Chevrolet Facilities and
A video with better audio of the nostalgic sound of a Muncie M22 Rock Crusher transmission at work in a 1966 Chevrolet Chevelle
This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission This is a BEEFY version of the original Rock Crusher transmission Most all the weak points of an original Muncie have been solved by the Super Case design The Supercase has extra casting in all the known weak areas The mid plate is aircraft grade aluminum
Story By Benjamin Hunting The Muncie 4 speed transmission is a legend among fans of GM muscle cars For a 10 year period starting in the golden age of 1960s performance General Motors Muncie Indiana transmission factory churned out several different flavors of this manual gearbox This imprinted the name on the brains of drag racers and
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 The M23 is recognized by a 26 spline fine input shaft and a large output shaft that requires a T 400 driveshaft yoke
Rock Crusher M 22 Transmission The transmission functions like a brand new transmission It was shipped in a sturdy crate Seller installed a new pencil gear to match the rear end ratio and tire height for free Muncie m22 Appearance is great Shifts good spins nicely on the bench Have to install it run it thru some gears see how it
Muncie M22 Rock Crusher 4 SPEEDS FROM 1965 TO 1974 This page is devoted to OEM Complete units New aftermarket units and OEM parts and NOS parts and we will assist you in completing your M22 rebuild or providing you with a complete trans Email us at fourgeartrans for availability prices and questions Muncie M22 REBUILD KITS
1969 1973 Muncie Four Speed Transmission M 22 Rockcrusher Complete original GM Muncie transmission rebuilt and guaranteed for 1 year Correct fit for all 1969 1973 model Chevelles and Novas This one will have the holes on the side where a bolt will secure your shifter linkage levers This is the Muncie M 22 Rockcrusher four speed
muncie M22 4 speed transmission Rock crusher Rebuilt Last one $1 800 Honaker Ky I have for sale a nice rebuilt muncie M22 transmission This is an M22 with straight cut gears It is not a M21 or M20 a mistake many people make because they do not know the difference This transmission is like new inside and outside
The RPO ZR1 option included the LT1 engine M22 Rock Crusher transmission heavy duty power brakes transistor ignition special aluminum radiator and special springs shocks front and rear stabilizer bars and metal fan shrouds The relatively low production in 1970 was caused by a labor dispute that started in May of 1969
Very Rare very well PRESERVED In 1971 only 855 HO 455 Trans Ams were built with the M22 Rock Crusher 4 speed The 4 speed examples are easily the most sought after and the ultimate find is the 4 speed with Air Conditioning combination RARE when new and given that manual shifting 455HO s were likely one of the most abused cars of
Muncie Transmission is back General Motors stopped installing Muncie 4 speeds in 1974 Complete units were able to be purchased from GM until the late 1970 s Parts trickled out of inventory by the late 1980 s With the quality of used Muncie transmissions getting worse in the last 10 years the idea of making new improved Muncie parts was
The Muncie transmission is a bit outdated by today s standards with no overdrive but still holds a place in the restoration and sentimental value markets Many people know about Muncie transmissions and the famous M22 rock crusher transmission that has straighter cut gears that allows you to bang the gears without pushing in the clutch
You have a choice of a original completely rebuilt GM Muncie M20 M21 or M22 Rock Crusher transmission With this new kit you also get all the hardware needed to get the job done right the first time Correct bolts will include head markings like original The transmission is professionally rebuilt and guaranteed for 1 year
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
Get the best deals for muncie m22 rock crusher at We have a great online selection at the lowest prices with Fast Free shipping on many items Muncie M22 Gear Set 26 Spline Input Close Ratio Rock Crusher 4 Speed Trans Opens in a new window or tab Brand New $
Find M22 Muncie in For Sale New listings muncie M22 4 speed transmission Rock crusher Rebuilt Last one $1 800 Honaker Ky muncie M22 4 speed transmission Rock crusher Rebuilt Last one $1 800 Honaker Ky
Answer It s a GM Muncie M22 four speed used in high performance applications from 1965 to 1972 They had a lower helix angle in the gears and had a noticeable whine that very few other transmissions had If you were running a GM hotrod that was the manual trans to have They re tough like a
What is the difference between an M21 and M22 The rock crusher gears alloy content is different and the different gear angles make the noise The ratios are the same for both The M22 was not designed as a pure road race trans Muncie was looking for a way to reduce the thrust load caused by the high gear helix angle on the standard gears
This example checks off most of the boxes that anyone wanting an SS 454 LS6 Chevelle or El Camino would want a popular color Tuxedo Black M22 Rock Crusher 4 speed Positraction rear end Cowl Induction hood power steering and power brakes The only way to better it for equipment would be bucket seats with center console
Also the gear teath in an M22 are STRAIGHTER cut than the others but still at an angle You have to be careful alot of people say they have a Rock Crusher or an M22 but once you take a look at it its usually NOT I myself have mever seen an M22 in real life just in books but I have seen LOTS of M20s and M21s
NEW Complete 69 Camaro Muncie 4 Speed Conversion Kit now available This kit will get you basically everything needed to convert a automatic 1969 Camaro into a four speed machine You have a choice of a original completely rebuilt GM Muncie M20 M21 or M22 Rock Crusher transmission With this new kit you also get all the hardware needed to get
Simplified I ll use 3 500 RPM for the baseline 3500 x / = 2629 RPM Using an M22Z with a 1 is like having an OD with a 1 AND you still have the takeoff feel of an M22 and a 1 combination The M22Z and the 1 combination is not the answer for everyone but it is another option M
Joined Feb 22 2022 31 194 Posts #7 · Oct 15 2022 Some Muncie FYI The M22 is not physically stronger then the M20 or M21 the difference is the way the gears are cut The M22 was originally designed for road racing where temperatures were increased with the steeper cut gears of the M21 so the M22 was design with a straighter cut gear to
Features 1 based on the race proven Syracuse four speed 2 uses the legendary M22 Rock Crusher gear geometry 3 slick shifted gearing shifts fast even at high rpm 4 lightweight cool running aluminum castings 5 low friction super finished gears and shafts 6 sealed ball bearings for long life
Nov 8 2022 If your sure its a real M22 its a pretty rare transmission THey go for about $800 1200 on EBay depending on condition I know because I was once looking for on until I got a Borg warner instead If its an M22 the input shaft should have no rings on it and the spline count should be 26