20091015 · I started out with Pontiacs in the late '70s, and moved into Mopars because of chronic 4-speed transmission problems. I make no excuses about being a big A833 fan, and in my opinion the 18-spline hemi 4-speed is the strongest of the three. The Toploader would be a reasonbly close second, and the Muncie would be the last.
view morePerfect Performance with 2.73 to 3.42 Rear End Gears. SALE EXTENDED!!! Ricky Fittson Muncie Super Duty M23 Upgraded Ultra Case 4-speed Road or Drag Racing Rock-Crusher. SALE EXTENDED!!! Jack Thompsonon Ultra Pro Super N24 Heavy Duty Ultra Case Muncie 4-Speed. Gasser Race with Long V-Gate Shifter. Limited Quantity!!
view more2015417 · Mastering GTO Restorations: Transmission Guide. April 17, 2015 by Pontiac DiY. Pontiac’s transmission offerings for 1964–1974 GTOs were similar to the transmissions offered in other Pontiac and GM models. Transmissions were sourced from Muncie, Saginaw, GM’s Hydra-Matic Division, and even Dearborn (Ford). In addition to 3- …
view moreNEW, 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 Crusher.
view moreIn 1965, GM introduced an even more robust version of the Muncie transmission, known as the M22 or "Rock Crusher." This transmission, with its distinctive whine, became synonymous with high-performance cars of the era. The M22 featured straighter cut gears, providing a more aggressive gear mesh for increased strength and durability.
view moreNEW SUPER PRO ROAD RACE M22. SUPER DUTY ROAD RACE MUNCIE M22 WITH Upgraded Ultra CASE with Front and Raer (THRUST BUTTON), C355 Forged Aluminum MID PLATE, VENTED SUPER TAIL HOUSING, ROLLER 1ST GEAR, OIL SEAL MAIN DRIVE, PRO SHIFT 18 SPLINE SLIDERS, HARDENED HUBS, SPECIAL SHIFT …
view moreThis a BRAND NEW SUPERCASE M22 4-Speed Rockcrusher Style Transmission. Each new Auto Gear transmission is built from genuine Auto Gear parts, the highest quality available. This is a BEEFY version of the original Rock Crusher transmission.
view more20081214 · Stock Muncie torque/hp rating? Jump to Latest Follow 83K views 16 replies 12 participants last post by johnnyr Dec 18, 2008 Melrose RS Discussion starter 6261 posts · Joined 2008 #1 · Dec 14, 2008 All the talk about TKO 500 and 600's and Keisler's new RS T-45 has me wondering- What really is the max rating for a stock M21 or M20?
view moreBased on over 30 years' experiences in design, production and service of crushing and s
GET QUOTE