Muncie I.D. chart
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 cut(angle) gears. The most well known Muncie …
Muncie M22 Rock Crusher Second Gear
Related products. Muncie M20 Wide Ratio Second Gear $ 120.00 Add to cart Muncie M22 Rock Crusher Cluster Gear 1″ $ 210.00 – $ 242.00 Select options This product has multiple variants. The options may be chosen on the product page Muncie 4 Speed O-Ring Speedometer Housing
Technical
Technical Muncie 4 speed identification. Discussion in 'The Hokey Ass Message Board' started by Damien Vild, Aug 26, 2020. Joined: Sep 23, 2017 Posts: 4. Profile Page. Damien Vild ... M-22 Rock Crushers have gone up boocoo bucks since then.. Yeah, where did that time go???. Deuces, Aug 28, 2020.
How to Build a Bulletproof Muncie M22 Four-Speed …
The Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. Cam Benty Writer John McGann Photographer Nov 04, 2022
How To Identify Chevy Four-Speed Transmissions
The Muncie four-speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21). That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a higher torque output, and was known as the "Rock Crusher."
How to Tell an Muncie M22 from an M20 Transmission
Identifying the differences between Muncie transmissions, specifically the M20 and M22 models, can be crucial when restoring or upgrading a classic Chevrolet vehicle. ... M22: Known as the "Rock Crusher," this model is a close-ratio transmission, making it slightly more aggressive, ... Case Identification. Look for the cast number on the ...
The Muncie 4 Speed Transmission Taught A Generation Of …
By the time the Muncie was in its final phase of production (1971-1974) it also gained a 32 spline output shaft in place of the original 27 spline unit. Wide, Close, or Rock Crusher Initially there were two specific Muncie transmissions available: the M20 wide-ratio (2.56:1 first gear) and the M21 close-ratio (2.20:1 first gear).
Muncie I.D. chart
Although some claim that the M23 is a 'rock crusher', it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission. This chart, so far, has been very accurate in identifying the muncie trans. over the years, so I wanted to share.
Complete Guide to Muncie Transmissions
Many people know about Muncie transmissions and the famous M22 "rock crusher" transmission that has straighter cut gears that allows you to bang the gears without pushing in the clutch. ... (see Muncie M20/M21/M22 Main Case Identification chart). The large-bore Muncie came into production in 1964-'65 and became the standard from then on ...
Muncie 4 Speed Transmissions
Serial numbers for Muncie 4 speeds always begin with the letter "P". P stands for Muncie Plant. Not for passenger car as some self proclaimed specialists may think. The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. The letter O would add confusion since it resembles zero.
Guide to Muncie M20, M21, and M22 Four-Speed …
One more way to identify the Muncie is via stamped codes in the case, which indicate when the transmission was built at Muncie (see How To Read Muncie Build Date Codes chart). According to Cangialosi, the date was …
M22 4 speed rock crusher
M22 4 speed rock crusher. Jump to Latest ... Recently, I bought an M22W gear set and built an M22W Muncie for the 70 Chevelle and replaced the 3.07 12 bolt posi with a 2.73 12bolt posi. NO, it is not a rocket from a dead stop, but once rolling 5-7mph, it is just great and cruises nicely on I-40 and I-35 in 80mph traffic. ...
Muncie 3 speed transmissions
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 …
Help Identify Muncie M20, M21 or M22
Help Identify Muncie M20, M21 or M22. Jump to Latest 10K views 9 replies 7 participants last post by 67ss Sep 8, 2004. R. rkn2 Discussion starter. 112 posts · Joined 2001 Add to quote; Only show this user #1 · Sep 3, 2004. I have a muncie still installed in a old truck and would like some help identifing it without pulling from the vehicle ...
Rock Crusher identity
Is there a way to tell if a muncie fourspeed is actually a M-22? Would I be able to tell by any serial numbers on it? Thanks.-Dan
Guide to Muncie M20, M21, and M22 Four-Speed …
The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s. ... One more way to identify the Muncie is via stamped codes in the case, which indicate when the …
How to Identify Your Muncie 4-Speed Transmission
M22: Known as the "Rock Crusher", designed for high-torque applications. Using these tips, you can confirm whether you have the right transmission for your Chevy and make …
How to Identify a M22 Rock Crusher
An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your car may not function properly.
Muncie 4 speed....M21, M22, Rock Crusher? | The H.A.M.B.
Also, there's companies out there that are making new gear set's for Muncie's as well..not just stock replacement stuff either. You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the overdrive obviously.. Kinda nice if you want the Muncie look and an overdrive..
How to Tell an Muncie M22 from an M20 Transmission
To tell an Muncie M22 from an M20, start by checking the gear ratios. The M22 typically has a 2.20:1 first gear ratio while the M20 has a 2.52:1. This difference can …
'69 Z28 Transmission
Is the M-21 the same as what they call a Rock Crusher? Is the VIN# located on the transmission to verify it's correct and if so where's it located? ... transmissions have the division ID #, model year, assembly plant and production seq # (last six digits) of the vehicle ID # stamped for the Muncie vertically on right side of case just ahead of ...
M22 oil?
i have an m22 rock crusher, i'd like to change the oil, but im not sure what type of oil (weight) to put into it? 80/90? ... and other syn oil mfgs reformualted the syn trans oil with friction properites for proper synco operation in our older muncie trans that would not attack the yellow metale over time like the GL5 oils can do according to ...
Muncie Close Ratio
Muncie M-22 Rock Crusher Four Speed Transmission - RARE Drivers Side Speedo (#1) See all feedback. Product ratings and reviews. Learn more. 4.8. 11 product ratings. 5. 10 users rated this 5 out of 5 stars. 10. 4. …
MUNCIE M22 "ROCK CRUSHER"
This iconic transmission is based upon the infamous "ROCK CRUSHER" Transmission made famous in the 60`S AND 70`S by being installed in the L-88`S, BIG BLOCK 425 HP Factory Muscle Cars and HOT RODS of the past. ... MUNCIE M22 ROCK CRUSHER $ 0.00 COST $ 1,895.00 WITH DRIVERS SIDE SPEEDO AND $1,995 WITH PASSENGER SIDE SPEEDO …
When was the M22 first called "rock crusher"?
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 ...
How To Identify Chevy Four-Speed Transmissions
The Muncie four-speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21). That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a …
Muncie 4 Speeds
The letter M was used to ID the Muncie plant for the Muncie 3 speed, so P was the next logical letter. The letter O would add confusion since it resembles zero. The serial number is a date code the transmission was built for a particular year. ... thus the nickname "rock crusher". The higher nickel alloy allowed for more impact of the gears ...
Muncie M-22 Rock Crusher
Muncie M-22 Rock Crusher. ... The "Rock Crusher" was built for road racing, with the angle of the gears straightened out to prevent excessive wear in the front bearings due to the forward thrust component of the force vectors caused by the angle of the stock gear (angled to prevent noise and increase the contact patch of the gear for added ...
Chevy Manual Transmission Identification
Further Muncie identification 3 Muncie 4 speeds were offered. The M-20 wide ratio, the M-21 close ratio, and the "Extra heavy duty close ratio" M-22, also known as the "Rock Crusher". The M-22 was generally installed behind severely powerful (high torque) big-block engines. The M-22 is distinguished from an M-21 by the angle of the gear teeth.
Muncie Identification | The H.A.M.B.
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 cut(angle) gears. The most well known Muncie …