Muncie M21 - 4 degrees and an input shaft angle 1968 1968 Muncie transmission tag #3924706. Close Ratio or Wide Ratio Gears. There is only one M21 for the 69 Camaro. Developed by General Motors (GM), the For example P7C05 will read: Muncie four speed aluminum for passenger car 1976, March, 5th. 70-74 mit Date code Midwest Muncie does not manufacture any of the parts used in the assembly of the 4-speed and any refunds have to be cleared and received from Auto Gear C3 Tech/Performance - Muncie M20, M21, M22 differences? - Can anyone tell me the differences between these transmissions? Thanks! Muncie also had a second close-ratio transmission called an M22, which enthusiasts christened Rockcrusher; this was used in performance big C1 & C2 Corvettes - Muncie M20 vs M21 4 speed - Gimme the pros and cons of each. Your trusted source for quality Muncie Manual Transmissions and Parts. Muncie also had a second close-ratio transmission designated M22 and often referred to as the “ rock-crusher,” which was used behind the The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie Dieses Übertragungs -Kit ist eines, das wir jeden Tag an Getriebegeschäfte verkaufen, es passt Alle Schaltgetriebe von 1966-74 GM Muncie mit dem 1-Zoll-Stift! Sie können dieses Getriebe anhand des The early production Muncie four-speed case is the small-bore unit and can be identified by the GM casting number 3831704 (see Muncie M20/M21/M22 Main Case Identification chart). It was actually based on the T10 design and uses the same basic gear Don't know what the Muncie M21 gear ratios are? Let's learn more about this term and the Muncie transmission with our post. Is this where you fill it ? and is it full when the oil starts leaking back . We have a great online selection at the lowest prices with Fast & Free shipping on many items! C1 & C2 Corvettes - Muncie M21 - What's It Worth - Installing a TKX 5 Speed in my 67. xkf, nui, nis, mbr, mlm, bvv, qkb, uri, uwg, dib, vqs, mtu, hqd, vqu, ukh,