1972 chevy m21 close ratio rock crusher munciepeed transmission 3925660 1,450.00 view item details 1968 muncie m21peed transmission close ratio rebuilt 67 68 69 camaro nova fits gm muncie m20 m21 transmissionhift forks wt29723 51.19 view item details muncie m21 m20 deluxe transmission max load bearing kit cs pin 6674.
4 speed transmission rock crusher mining quarry plant.peed transmission rock crusher by admin may 17th 2013xtec extec eastern screening and crushing chevrolet chevy manual transmission identification and decoding how to identify and decode chevrolet manual transmissions go here for info on chevy automatic transmission identification muncie left.
426 hemi said hit it on the head.ave two rock crushers in the garage and the 426 also. click to expand you might be better off to sell one and buyemipeed. they are stout and shift well. that would make your bellhousing and clutch shopping much easier. remember its not just the belhousing, youd have an oddball clutch too.
After watching that video,ealize ive been living underock, those little shift lever conversion shims are pretty cool. the muncie for my 67 nova is969 box with467 sidecover that has studs,ound an original shifter years ago but also haveew hurst for the 6467 application.
Can anyone tell me what gear oil they are running in their munciepeed transmissions?ave an m20 that was just freshened up and after installing it and initially driving, the shifting was horrible. it poped out of 1st onlight decelleration. 1st to 2nd under power was very difficult, and 4th gear actually would grind going into gear.
For salesm 420 manual transmission, 4speedranny low with correct gm bellhousing.heel drive, can be converted to acceptheel transfer case by removing rear drive cover. production date code l305 decem. this iseavy duty unit with reinforcing side ribs in the case to improve strength and longevity.urchased967 chevrolet c20 project and.
How to identify22 rock crusher. step 1. check the casting number, the production year and the gear ratios on the aluminum serial number plate attached to the transmission box. every step 2. step 3. step 4.
Hurst shifter and muncieock crusher help4help. hurst shifter and muncie m22 rock crusher he m21 was the standard muncie 4speed, and the m22 was the heavier duty rock crusher trannystraightcut gears made itoisy trans, hence the nicknameuper t10 is probably about as strong as an m21 and would makeood tranny for your shitbox if you can.
Hurstpeed kit chevy gmc pickup with passenger car late muncie m20 m21 m22 hurst shifter kit includes hurst 3910002 competition plus shifter hurst 3737834 installation linkage kit applications custom hurstpeed comp plus shifter kit for 12 ton chevy and gmc pickups when usingm passenger car late model 1969 and newer muncie m20 m21 or.
I do not claim to beransmission expert and could be wrong but the real rock crushers had straight cut gears.not helical cut gears.elieve they were first released by gm in 1969 or 1970.ad one in my 1970 chevelle ss 454450hp ls6 car.ought it new. the rock crusher was very noisy due to the straight cut gears.
I gave up and boughtew muncie andear vendor overdrive. love it and with the wide open shift into overdrive at any time. nice even 22 split. take off with the nitrous on in first. hit overdrive which is like 2nd gear. shift to 2nd like third and third like fourth and have8 fifth. they do make an overdrive model of the new muncie.
I have 67 camaro withactory m20 4speed. the synchronizers are going bad and its time to replace the trans. the engine has been freshly built and pushing 450500hpm looking at eithereisler 5speed or the legendary m22 rock crusher from midwest muncie. can anybody tell me if the m22.
If you plan to doot of racing, the th400 will help your consistency. runningigh revving engine through the gears on the street isot of fun, butanual is not the best choice for racing. if your car is truly capable of running 9s,ould be worried about the longevity of either of theanual transmission.
Lorena, tx. this is9701974 muncie 4speed transmission with casting number 3925661.ave had it in my 1978 camaro z28 for over 20 years but am changing to56 transmission. it isonderful transmission that can handleon of horsepower and comes with an inline linkage, centerforce dualfriction clutch, and bellhousing.
M22 rock crusher identification. the m22 closeratio transmission is easily identified internally from the m20 and m21 versions by the angle of the gear teeth. the m22 was only produced inloseratio version, so it will not appear on models with high rearaxle ratios 3.55 or lower numerically unless someone has changed it.
Most transmissions are missing these tags, but if you want to doomplete restoration they are generally necessary. even if your muncie is assembled fromix of parts, you should be able to determine the ratio. remember, if the transmission is still in the car only the 1969 to 1974 cases had ratio identifiers in the serial number.
Muncie 4speed manual transmission assemblies, gears amp parts applications general motors l36s36t m22 rock crusher 196474 3924796 wt29712b note these twoears wo snapring counterbore on cone end used wo thrust washer. d1 1st2nd shift fork all 3831717 3831717 d2 1st2nd shift lever assy 51618.
Muncie and saginaw were two production facilities for general motors vehicles for many years. in the 1960s and 1970s, both factories produced fourspeed transmissions for some otherwise identical cars. car enthusiasts carereat deal about the specifics of their particular classic vehicle, so knowing whether their.
Muncie m20 wide ratio first gear 118.00 select options muncie m22 rock crusher input 10 spline 178.00 185.00 select options muncie m20m21m22 rear reverse idler gear 59.00 add to cart munciepeed nylon driven gear 13.00 15.00 select options.
Muncie m22 rock crusher ultra show car quality transmission with mirror polish finish this transmission isirect replacement for your tired m20, m21, or m22 transmission. will match your 10 spline clutch plate, 27 spline driveshaft yoke and will accommodate your existing shifter.
New, complete 67 68 camaro munciepeed conversion kit now available! this kit will get you basically everything needed to convertutomatic 1967 1968 camaro intoour speed machine! you havehoice ofriginal completely rebuilt gm muncie m20, m21 or m22 rock crusher transmission.
Online chat. muncie m22 rock crusher break down. the 2561 ratio is commonly referred to as the m20 muncie also hadecond closeratio transmission designated m22 and often referred to as the rockcrusher which was used behind the highestperformance engines and in corvettes the m22 isighly soughtafter performance transmission. online chat.
Recent comments. joe gio on muncie super duty m23 super case 4speed road or drag racing rockcrusher. fall sale on now!!! steve cooke on muncie super duty m23 super case 4speed road or drag racing rockcrusher. fall sale on now!!! markones deltona florida on auto gear super case m22z rock crusher 4speed. perfect performance.
Standard is 218 diameter. 178 as noted. choose thread size for standard shift knobs. corvettemuncie knobs made with 916 recessed threads for lockout. c4c5 corvette 916 flush threads. subaru, brz and frspeed recessed 121.25 thread for rev. collar. 201517 mustang made with recessed thread for factory rev. collar.
Th350speed powerglide automatic, super t10, muncie m20 m21 m22, saginaw, amp t5 manual transmission speedometer gear 18t brown fits gm 3987918 8g18a tpd proline. 12.77 16.99. add to cart.
The 1965 m22 maintained the 10spline input and 27spline output as all other muncie transmissions from that model year.the 1965 m22 also had the drain plug boss drilled and tapped foragnetic drain plug. this was not done on the m20 or m21 transmissions. drivers side of restored 1965 m22 transmission.
The 2.201 ratio is commonly designated as the muncie m21 transmission. the 2.561 ratio is commonly referred to as the m20. muncie also hadecond closeratio transmission designated m22 and often referred to as the rockcrusher, which was used behind the highestperformance engines and in corvettes, the m22 isighly soughtafter performance.
The gear box is the source for muncie parts like the new assembled m22 super rock crusherpeed kit with micro super finish or downshift case support. the gear box transmissions muncietremecsaginawtkotop loaderrichmond.
The m21 amp m22 isour speed, rwd or 4wd transmission. the m21 amp m22 isuncie 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 step cluster gear. the reverse gears are helical cut and are located.
The m22 transmission has0 degree helix angle on the gear set as opposed to5 degree angle found on the m20 and m21 and were made withigher 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 born.