Muncie 4 speed. (The M does not stand for “Muncie.

Muncie 4 speed Muncie Home of the world's best 4 speed muncie transmissions and parts. (The M does not stand for “Muncie. We also offer muncie rebuild kits, racing parts and m22 rock crusher transmissions. An extra heavy duty close-ratio version (M-22) was also offered on many of the big-block high-performance models. The new Muncie style 4 speed even in base form is a huge improvement over factory units. It was the transmission of choice for practically every performance-engined car made during the muscle-car heyday. The internals are installed in the Supercase, iron midplate and heavy duty tail. From 1963 to 1975 General Motors used a transmission in many of their muscle cars known as the Muncie 4 Speed. 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). Aug 7, 2018 · The Summit Performance 4-Speed shifter (PN SUM-700040) is a bolt-on swap designed to fit your Muncie. Apr 27, 2023 · The Summit Performance 4-Speed shifter (PN SUM-700040) is a bolt-on swap designed to fit your Muncie. Muncie Four-Speed Gear Ratios Jan 25, 2022 · According to Cangialosi, GM took the basic T-10 design and beefed it up to conceive the Muncie M20 and M21 four-speed transmissions, which arrived in 1963. The choice of transmission was dictated by the engine size and rear-axle ratio. Therefore, the Muncie patent is basically a design for the layout of a 4-speed transmission. ”) Typically, when you ordered a GM car you had standard options and accessories installed. Muncie 4-speeds were produced in two different ratios wide-ratio (M-20) and close-ratio (M-21). For a 10 year period starting in the golden age of 1960s performance, General Motors' Muncie, Indiana transmission factory churned out several different flavors of this manual gearbox. Jun 9, 2021 · The Muncie 4-speed transmission is a legend among fans of GM muscle cars. Aug 7, 2018 · The Summit Performance 4-Speed shifter (PN SUM-700040) is a bolt-on swap designed to fit your Muncie. Good, solid, rugged construction makes it a terrific drop-in for around $100. GM’s goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. 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. Each unit starts with a completely new gearset and all internals blueprinted by us. . yfzgvi vmbmcbl miajn jsv yhci wrls bzagbch bwheq ogwbiag sfdmc