Muncie Transmission Main Case GM: M-20, M-21, M-22 You can now replace your damaged or broken M-20, M-21, or M-22 transmission case with this new OEM style factory case. 20 ratio is commonly designated as the M21 transmission, while the 2. Muncie Transmission Main Case GM: M-20, M-21, M-22 PART NUMBER: TRA-610B. Get the best deals on Manual Transmissions & Parts for 1974 Chevrolet Camaro when you shop the largest online selection.
Paul Cangialosi has been involved in the manual transmission parts and rebuilding business since 1981. The classic Muncie four-speed transmission in all its many forms generally looks like this (this one provided by Anaheim Gear), though applications will vary in appearance. The Muncie 4-speed transmission was used fromon several different GM vehicles and engine types. What is a four speed manual transmission? The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models. Click here for further transmission decoding information.
Muncie 4-speed manual transmission Documented with broadcast cardcarburetor TO code 3. These manual transmissions were optional or standard for all of these model year Corvettes. This Tech Tip is From the Full Book,.
The Letters F, G, I, L, N,O and Q are omitted. Cases are either. These light duty Muncie model Model 3 transmission were used in early Chevrolet Bel Air, Biscayne, Impala, Chevelle, El Camino, Malibu, Corvette, Nova, Chevy II and Pickup Trucks and Van&39;s.
Muncie Overhaul Kit with Wrench 1966-74. 91 Positraction rear end Original OAI air cleaner assembly Dual exhaust with rear trumpets Factory Oldsmobile hubcaps and steel wheels Sport steering wheel 14 inch Firestone Wide Oval tires Dual sport mirrors Code W27 rear end cover. Muncie transmissions are known for both high-performance.
· The classic Muncie four-speed transmission in all its many forms generally looks like this (this one provided by Anaheim Gear), though applications will vary in appearance. . Get the best deal for Manual 1974 muncie manual transmission Transmission Parts for 1974 Pontiac Firebird from the largest online selection at eBay. GMC Pickup Trucks and Van&39;s.
Having issues diagnosing problems with your M21 M22 4 Speed Muncie Manual Transmission? The following vehicles are likely sources of a Muncie four-speed. 90:1 gears installed at the factory or with dealer-installed 4.
| Free shipping on many items! Free shipping for many products! This “layout” is a 4-speed transmission with four forward gear ratios in the main case, a midplate bearing support, and a reverse gearset in the extension housing. Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes. Even if you do remember to check the gear oil level, you have to slide under the car and remove one of the drain plugs. · Last time we talked about how to distinguish a Muncie four-speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions, including the wide-ratio M20, the close.
| Browse our daily deals for even more savings! Manual Transmission 3 Speed CastX2 Fits 1974 CHEVROLETFits: More than one vehicle). In January 1974 the muncie transmission was replaced by the Borg Warner T10. Milder GM cars used Saginaw or Borg-Warner four-speeds. Buy a 1974 Pontiac Ventura Manual Transmission Gasket Set at discount prices.
The cases offer a broad range of interchangeability. What is a Muncie 4 speed transmission? . Saginaw and Borg Warner models are normally used on general purpose applications. The oil is designed to reduce friction and provide necessary cooling. com, the serial number example "P4D23B" decodes as an M21 Muncie transmission manufactured on Ap. Below you will find a detailed parts list for the M21 & M22 manual transmission that includes complete rebuilt transmissions bearing rebuild kits with and without synchro rings, gaskets and seals, small parts kits, bushings, individual bearings, slider, synchro rings, forks, gears and shafts.
This case has correct part numberwith U. The Muncie was typically used in performance engines. transmission will shorten the synchronizer life by one half. It comes with universal shifter shafts. Changing the oil on these transmissions can be tricky, as the oil-fill port is on the side of the transmission. It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today.
Choose top quality brands Felpro, Mr Gasket, Victor Reinz. Muncie 4-Speed Manual. Transmission Rebuild / Overhaul kit for the 4 Speed Muncie M20, M21 and M22 Manual.
It is important to use the correct fluid oil in you manual transmission, the vehicle manufacturers have done extensive testing to specify the correct fluid. All Muncie transmission cases are made of aluminum, which helps in identifying it as well. His BOOK on building and modifying manual transmissions is an Amazon best seller. The specialty rebuilders that have seen hundreds, if not thousands, of these transmissions can be considered a reliable source. See more results. What is a Muncie manual transmission? The Muncie was typically used in high horsepower applications.
Buy a 1974 Chevrolet Camaro Manual Transmission Gasket Set at discount prices. Cases are either small-bearing (1963) or large-bearing (1964-&39;74). · GM&39;s goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. You need to make sure your working on aM20, M21, M22.
Muncie 4-speeds were available for all Corvettes from 1968 to 1974. When the GTO arrived in 1964, three manual transmissions were available: the standard Muncie 3-speed manual, an optional wide-ratio Muncie M-20 4-speed, and a close-ratio Muncie M-21 4-speed available only with 3. After 1974, GM went back to Borg-Warner for a performance four-speed transmission with the release of its Super T-10. Therefore, the Muncie patent is basically a design for the layout of a 4-speed transmission.
Heavy Duty Competition overhaul kit for Muncie 4 speed transmissions,. Most any mid-size A-, G-, X- or F-body GM vehicle from 1964-&39;74 could potentially have one. This means that all the gears in the transmission, except for reverse, are always meshed together and spinning, even in rvette 4-spd Muncie Transmission 3rd Gear (27 Teeth) at Zip, the source for C2 & C3 Corvette manual transmission (Muncie) internal & rebuild components. V8 engines came with either a 3 or 4 speed Saginaw or Muncie. · Pontiac’s transmission offerings for 1964–1974 GTOs were similar to the transmissions offered in other Pontiac and GM models. The "P" in the first position designates Muncie, "4" designates the year, 1974, and "D" designates the month, April, with "A" representing January and "T" for December.
Sbc, Manual transmission Muncie M-21, Center consul with gauge pod, 12 bolt rear end, power steering, power front disc brakes. Muncie M22 — 4-speed longitudinal heavy duty close ratio manual transmission made by GM at their Muncie, Indiana factory Saginaw M26/27 transmission — 3 and 4-speed longitudinal light duty (less than 300 hp wide ratio manual transmission made by GM at their Saginaw, Michigan factory. Get the best deals on Manual Transmission Parts for 1974 Chevrolet Nova when you shop the largest online selection at. A Muncie transmission differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. Miscellaneous Manual Transmission Components: Sort By:. Transmission Manual Muncie Top Loader T5 Borgwarner T10 A833 4 & 5 Speed New.
Find many great new & used options and get the best deals for Muncie M21 M22 4 Speed Manual Transmission Rebuild Overhaul Kitat the best online prices at eBay! Complete overhaul kit & Front retaining nut wrench for Muncie 4 speed transmissions,. 1st Gear for Muncie Transmissions, M20 M21. In addition to 3- and 4-speed manual transmissions, Pontiac also offered 2- and 3-speed automatic transmissions. You need to make sure your vehicle has this unit. A 4 speed manual transmission was not offered with the 6 cylinder.
Both fill and drain plugs are drilled and tapped. How many transmissions does a 1964 GTO have? All 1974 muncie manual transmission T56 transmissions installed in late-model cars use an electronic pickup to measure speed, but National&39;s T56 is designed to use the standard speedo cable and T5 manual transmission&39;s drive and. 1969 Muncie Transmission 4 Speed P9C12A M. The extreme pressure requirements of spur gears and helical gears found in transmissions are not nearly as great as found in rear-wheel drive differentials.
The 6 cylinder models came with Saginaw 3 speed transmissions. MUNCIE 4 SPEED SYNCHRONIZER KEYS AND SPRINGSFREE SHIPPING. He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. This completely new Muncie M22W transmission can be built with several different spline options.
1974 Chevrolet Nova Coupe Description: Additional photos and videos coming Weather permitting. A GL-4 lubricant provides adequate protection for most manual transmissions, unless a unique design. Transmissions were sourced from Muncie, 1974 muncie manual transmission Saginaw, GM’s Hydra-Matic Division, and even Dearborn (Ford). You need to make sure this kit is a match. They were used in many muscle cars and Corvettes.
According to My SS. His new MUNCIE BOOK, due out in October of, explores Muncie rebuilding, performance tips, and history. Transmission Code Example: S4DMuncie 3 speed, assembled April 27) Type Code: TM = 3 speed manual (L6) TN = 3 speed manual (V8) WK = 4 speed manual (V8) TT = TH350 (L6), FB = TH350 (V8) TH400 transmission code is CY and is stamped on a tag which is rivited to transmission case. A Muncie transmission differs from a Saginaw transmission in that its reverse lever is in the tail. They carried the option codes of M20, M21, and M22. Muncie four-speed manual transmissions came 1974 muncie manual transmission in many GM models of the &39;60s and &39;70s.
Muncie transmission are covered in this section light duty, rear wheel drive (RWD), 3 speed applications. Also available with front nut wrench and/or cluster pin. The Muncie SM465 is a heavy-duty, four-speed manual transmission built by General Motors for use in light and medium duty trucks from 1968 to 1991. These 5 casting numbers identify all aluminum Muncie main cases:onlyThe 2. Muncies have a 1 inch cluster shaft.
· Successfully diagnosing transmission problems is directly related to how well you understand how this transmission works. The primary four-speed manual transmissions used by Chevrolet are the Saginaw, Muncie and Borg Warner models, with Saginaw and Muncie units being specifically made for Chevrolet. It is designed to replace 1964 to 1974 Muncie 4 speed tranmissions based on what spline option you choose. · Muncie and Borg-Warner T-10 and Super T-10 4-speed manual transmissions sit underneath the car hidden away like a groundhog burrowed deep in a ground hole.
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