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Thomas N. on Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette, Chevelle, Nova. SALE EXTENDED!!! Brett Henson on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. …
426 Hemi Muncie Rock crusher Bell housing. Jump to Latest 3K views 12 replies 9 participants last post by k-star Jul 26, 2006. 4. 426 Hemi Discussion starter 4 posts · Joined 2006 Add to quote; Only show this user #1 · Jul 23, 2006. Does anyone knoe where to get a bellhousing to mate a 426 hemi (1968) to a Muncie Rock crusher tranny? ...
Recent Comments. Randall D Resler II on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Jeff Collins on Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Thomas N. on Muncie Super Duty M23 Upgraded Ultra Case 4-speed …
GTO 3-Speed Transmission, 1972 GTO, Heavy Duty 3-speed transmission, Dearborn, Muncie, M13, M12, Muncie M20, M22 rock crusher, Auto Round-Up MagazineA: L.C., thanks for the nice words. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto Roundup/Car Collector …
How to Identify a Muncie Four Speed: Build Date Codes Jul 29, 2016 Build Date Code Breakdown 19631966 production codes will start with the letter P and have
The CrusheR Codes (Working) Here's a look at all the working The CrusheR codes. hopeforthebest—Redeem for a Free Death effect (New) electro—Redeem to get afree Sparks effect (New) overhaul—Redeem for a Mariachi Guitar; The CrusheR Codes (Expired) These The CrusheR codes no longer work. aexolottiscool—Redeem for 'True Supporter' title
come guys, every gearhead knows every muncie is a rock crusher, every 327 came out of a corvette and all 12 bolts are posi's! I didn't even read this on the internet, 70% of the guys at the gas station tells me this when I'm gassing up, they all had that rare 68 chevy with a corvette 327, rock crusher muncie and a 12 bolt posi that they would ...
I have researched several Muncie sites and I am stumped by the Case number on my Transmision. Can you help identify if it is truly an M22. The number reads 3925856(or …
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 (3.55 or lower numerically) unless someone has changed it.
Look for the date code on the side on the mid plate area. I believe the pass side. Will start with a "P" For example P0C13C Starting in 69, the date code also has the ratio designator letter on the end. A = M-20, B = M-21, C = M-22 There should also be a partial VIN in the same general area. If it's the original trans, should match the VIN of ...
Identifying Muncie 4- Speeds. Several things are needed to identify a Muncie correctly. The first is a main case casting number. Second a count of the input shaft and output shaft splines and if any rings or grooves exist around the input shaft splines. Third are date codes and VIN numbers that help confirm that the above case and gears belong together.
Feel free to upload pictures and ask questions. Some of the best Muncie builders participate on that page. Muncie RPO Codes . Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used when a car was ordered: the M20 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio).
One thing I failed to mention in that previous post was the PATHETIC Muncie and FoMoCo shifters that came on the things. The FoMoCo shifter was equally as bad as the Inland Mopar unit, and nearly incapable of speed shifting. The Muncie shifter in Chevelles was absolute garbage. I had a close friend who owned a '70 SS 396/402.
In late '69, ALL Muncie 4-speeds got both a fill and drain plug. This means that the dual drain plug cases were used in '70-up production although there might have been a few that made it into super-late '69 production, who knows. Before then …
Serial numbers for Muncie 4 speeds always begin with the letter "P". P stands for Muncie Plant. The serial number is a date code the transmission was built for a particular year. Serial …
In the beginning, the M-22 was the Heavy Duty Muncie, and it was available ONLY in the close ratio version (2.20:1 first gear ratio). The primary difference between the regular close ratio Muncie (M-21) and the HD Muncie was the angle at which the gear teeth were cut.
Muncie shifter shafts have evolved in three basic stages. From the left, the small 5/16-18 threaded stud, which snapped easily. ... The final main case casting of 3925661 was introduced, but there are huge overlaps in date codes. This means a transmission could be assembled in April with a 3925661 case and then in July with a 3925660 case.
A friend of mine is restoring his 70 SS Camero and found a M22 rock crusher cheap,, it needs work but I have seen certain M22's going for big money on the net and was wondering were and how to read the date code on case,, are certain year M22's worth more then others? ... for that matter any Muncie. There was 500 sets of gears made outside the ...
I have a suspicion that rock crusher may have first been used in a late-1960s auto magazine test drive, but was hoping the historians in this group might be able to narrow it down. ... 68-9, 70-74) ALLLLLLLLLLLL Muncie cases had the SAME casting number, REGARDLESS if it was an M20 or an M21 or an M22. The casting number has ABSOLUTELY NOTHING ...
This code list listed the model code, RPO (regular production option), specific transmission type, gear ratio, transmission part number, and transmission letter code designation. At the bottom of the transmission codes page, there are notations dated March 25, 1965 that these same transmissions were added to the codes list.
L30-s36T: M22 'Rock Crusher' 3879999 WT297-21A A17 Mainshaft 3rd Gear L27-s36T: except M22 3831747 WT297-11 L27-s36T: M22 'Rock Crusher' 3880845 WT297-11A A18 Mainshaft 3rd/4th Synchronizer Assy synchro rings w/o support shoulder (1963-65) 3887887 3887887 synchro rings w/ support shoulder (1966-74) 3924113 3924113
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.
M22 transmissions can only be identified removing the selector cover(side cover) and visually identifying the straight cut gears-all other muncie transmissions had conical …
Upon getting into the restoration I noticed he had an M21 bellhousing attached to a muncie 4 speed. i called him and asked him if he knew what kind of Muncie it was, he steadfastly said it was an M22 Rock Crusher. ... Now,everyone thinks they have a Rock Crusher...One of my buddies is a self proclaimed "expert". ... It should be stamped in the ...
M22 4 speed rock crusher. ... P0C23C date code 3978766W0 tag on shift cover 3975020 front sleeve 3978764 tail shaft . Attachments. ... "Spending" 3000$ on a bolt on, period correct, grin inducing almighty and mythical transmission that is the great Muncie M22 Rock Crusher makes more sense for many compared to buying a retrofit kitted TKX for 5 ...
You can identify several unique signs that identify an M-22 "Rock Crusher," even if it does not have a GM hallmark imprinted on its surface. Step 1 Check the casting number, the production …
Muncie Parts > NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00. NEW Muncie M22 SUPER ROCK CRUSHER 4 speed $2899.00 ... it is unavailable for ordering at this time please come back or continue shopping. Prod. Code: AGM22: CURRENTLY UNAVAILABLE UNTIL SPRING-TAKING ORDERS ... $150.00 MICRO SUPER FINISH. $35.00 THRUST …
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 …
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.
Physical Characteristics: Inspect the transmission housing – differences can be spotted between the Muncie models based on the bolt patterns and overall design. Common Codes. M20: Wide ratio, mainly used in regular driving. M21: Close ratio, for high performance. M22: Known as the "Rock Crusher", designed for high-torque applications.
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.
Get the best deals for Muncie M22 Rock Crusher 4 Speed Transmission at eBay. We have a great online selection at the lowest prices with Fast & Free shipping on many items! ... 1971 Muncie M22 Rock Crusher 4 Speed C CODE Counter Transmission NO VIN MINT. Opens in a new window or tab. Remanufactured. $3,495.00. Buy It Now +$150.00 shipping ...