May 12, 2005 M22 Rock Crusher Noise Jump to Latest Follow 1 6 of 6 Posts 6 68Camaro396/375 Registered Joined Mar 30, 2005 37 Posts Discussion Starter #1 May 9, 2005 I know that a M22 makes a whining sound in 1st, 2nd 3rd gears but how loud? 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 ChevelleMuncie M22 4 Speed Rock Crusher Gear Whine YouTube1970 ss 454 chevele ls6 with m22 rockcrusherM22 Rock Crusher Whine YouTube
Jun 20, 2012 In a nutshell, the M22 was beefed up with a new 1" countergear pin and the helicalangle cut gears which make that great gear noise we all love so much, thus the name "rockcrusher" Jun 13, 2012 #3 axlefoley Veteran MemberSep 02, 2013 Noise standards for 1973 lead to the demise of the M22, plus the 454 was getting its heart ripped out by specific emissions tuning so it no longer threatened to trash an M21 The M21 was the 4speed spec’d for the LS4 of 1973/74Why does an m22 whine? Team ChevelleM22 gears are also made of a highergrade nickel alloy The M20 and M21 cluster gears are cut at a 45degree angle The reduced gear angle of the M22 created a problem with noise (hence the name "rockcrusher") Performance seekers decided to live with the noise when the benefits of increased durability from the geartooth angle outweighed the Muncie fourspeeds Hemmings
An M22 retains less heat due to the straightcut gear design and the lack of thrust that helicalcut gears create An M22 holds up well The downside is that it tends to make noise It will rattle at low rpms and whine at higher rpms The M22 is called the Rock Crusher “Dump the Rock Crusher,” hot rodders sayAlthough the gears are not spur gears ( completely straight ) they still produced a fair amount of gear noise thus the "Rockcrusher" name These 4 speeds sound like a blower drive For the real gear head the best documented movie that sports a real M22 in a car is the famous movie " Two Lane Black Top "Muncie 4 Speed TransmissionsJun 20, 2012 In a nutshell, the M22 was beefed up with a new 1" countergear pin and the helicalangle cut gears which make that great gear noise we all love so much, thus the name "rockcrusher" Jun 13, 2012 #3 axlefoley Veteran Memberprobably a dumb question m22 rock crusher NastyZ28
Jun 28, 2010 MEJ1990TM The whine of the Rock Crusher is about as much of a muscle car sound as high compression, headers, and tappet noise I think this is a perfect time for one of those Tim Allen "Argh, argh, argh" Shoot, those 410's with a close ratio The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22 Later model 1971'74 Muncies are also popular with racers, because these transmissions used a 32spline output that is stronger than the early 27spline, and the newer units seem to perform better in highrpm and highhorsepower applicationsMuncie 4 Speed1970 ss 454 chevele ls6 with m22 rockcrusherM22 Rock Crusher Whine YouTube
Although the gears are not spur gears ( completely straight ) they still produced a fair amount of gear noise thus the "Rockcrusher" name These 4 speeds sound like a blower drive For the real gear head the best documented movie that sports a real M22 in a car is the famous movie " Two Lane Black Top "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 bornMuncie 4speedOct 29, 2001 The rock crusher gears alloy content is different and the different gear angles make the noise The ratios are the same for both Is there a difference in the synchros or anything else to make an M22 M21 vs M22 Team Camaro Tech
The term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22 Later model 1971'74 Muncies are also popular with racers, because these transmissions used a 32spline output that is stronger than the early 27spline, and the newer units seem to perform better in highrpm and highhorsepower applicationsChevy 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 GM cars They have the same gear ratios as the legendary M21 but with a heavy duty gearsetChevy Transmissions: Muncie 4 Speed M22 Rockcrusher 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 SuperCase design The Supercase has extra casting in all the known weak areasBrand New SUPERCASE M22 4Speed Muncie Rockcrusher Style
Feb 05, 2019 SOUND BITES February 05, 2019 There is a motorcycle manufacturer – you know the one – whose engine and exhaust notes are as jealously guarded as money in the bank Recently, I had an interesting conversation with an Auto Gear m22 customer who maintained that the whine produced by GM’s ‘Rock Crusher’ fourspeed was equally valuableOct 07, 2014 The gearbox in our subject '72 Corvette was making an excessive amount of noise—even for an M22—shifted like a box of rocks, and sometimes it would stick in Fourth gear and Rock Crusher How to Rebuild a Muncie FourSpeed Transmission Rock The About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy Safety How YouTube works Test new features Press Copyright Contact us Creators M22 Rock Crusher first trip to town Wild 74 YouTube
Jun 09, 2021 The M22 'Rock Crusher' featured a oneinch countershaft pin bore and shotpeened gears with aggressive helix angles that reduced heat and stress but also increased noise, leading to the nickname as the transmissions rattled their way down the roadThe term "rock crusher" refers to the noise made by the meshing of the stronger helical gears in the M22 Later model 1971'74 Muncies are also popular with racers, because these transmissions used a 32spline output that is stronger than the early 27spline, Muncie 4speed Transmissions HemmingsThe M22 is a serious beast when it comes to transmissions The only negative was the noise that this transmission would produce When the engine was driving at low revs the transmission would rattle like it had gravel inside and would whine at high rpms The M22 was eventually dubbed the “Rock Crusher”The Mighty Majestic Muncie 4 Speed Transmission Wilson
Oct 07, 2014 The gearbox in our subject '72 Corvette was making an excessive amount of noise—even for an M22—shifted like a box of rocks, and sometimes it would stick in Fourth gear and Rock Crusher Oct 01, 2008 M22 had straighter cut gears Sounds kind of like a gear drive timing set Unmistakable sound I don't know how many people I've had tell me "Oh ya this thing has a Rock Crusher (colloquial term for M22) in it I've only heard the sound of the real deal onceDifference between M21 and M22 NastyZ28Dec 17, 2008 I believe that you are confused about the "rock crusher moniker" The Muncie M22 was called the rock crusher because the gears were cut at less of an angle to reduce the end load on the gears This reduced angle causes a loud whining noise, so it was named the rock crusherc6 Zo6 transmission problems Corvette Forum
Jan 27, 2017 it's electric, it has the button on dash, it's an LT 2500hd that is pretty loaded The noise sounds like my Muncie M22 rock crusher in my Camaro, 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 SuperCase design The Supercase has extra casting in all the known weak areasBrand New SUPERCASE M22 4Speed Muncie Rockcrusher Style Muncie M22 Rock Crusher 4 speed Hot Rod Forum : Hotrodders Can someone tell me how much a muncie m22 rock crusher is worth this transmission was produced buy gm in how to identify an m22 rock crusher transmission
Apr 26, 1997 What is a M22 Rock Crusher worth? and a Muncie 3speed from a '65 Impala?? I have a chance to buy a M22 and I want to sell the 3speed Thanks Bob Anderson "I have been told that men are natural warriors and killers and that women are naturally Dec 14, 2011 just picked up a muncie m21didnt give a hoot if it was a m20 m21 or m22 or a rock your pocket, Rock Crusher!! my motor will break the GM factory m22 as will! when I bought the m21 the guy advertised it as a m22 and I informed him it wasn't! either way the price wasn't hyped up so I boughtm20 or m21 or m22 in 1 race which 1 wins at track 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 1969 Camaro 4 Speed Muncie Transmission Conversion Kit
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 The reverse gears are helical cut and are located NEW, Complete 67 68 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you everything needed to convert a automatic 1969 Camaro into a four speed machine! You have a choice of a original rebuilt GM Muncie M20, M21 or M22 Rock Crusher1967 1968 Camaro 4 Speed Muncie Transmission Conversion Mar 21, 2021 Why is the Muncie M22 called the rock crusher? M22 gears are also made of a highergrade nickel alloy The M20 and M21 cluster gears are cut at a 45degree angle The reduced gear angle of the M22 created a problem with noise (hence the name “rockcrusher”) How much power can a Muncie handle? It’ll handle 450 hp in a 3500 lb car with no What is a Muncie M21 worth? – AnswersToAll
M22 Rock Crusher Noise Hot Rod Forum May 12, 2005 M22 Rock Crusher Noise Jump to Latest Follow 1 6 of 6 Posts 6 68Camaro396/375 Registered Joined Mar 30, 2