Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette, Chevelle, Nova. FALL SALE!!! ... GM 1963 to 1974 Automatic to Muncie 4-Speed Transmission Complete Conversion Swap Kit. FALL SALE!!! Rated 5.00 out of 5 $ $ Add to cart. Sale! Super Pro Road/Drag Race Muncie …

Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. $2,695.00. + $100.00 shipping. Check the item description to confirm this fits your vehicle. Hover to zoom.

C1 & C2 Corvettes - M-22 vs. BW ST-10 - How does the Muncie M-22 rock-crusher trans compare to the Borg Warner Super T-10 Power Brute transmission (the ones with a nodular iron case and high nickel gears that were offered as over the counter replacements in the 70's and 80's?? Strength, durability, ease of...

You can have the new efficient engine and keep the look and feel of your stock GM Manual 4-speed transmission such as the Saginaw or Muncie "Rock Crusher" that you love. Considering you already have …

Step 5. Check whether there are any rings around the shaft splines. An M-22 "Rock Crusher" has no rings, so if you see rings in your transmission, it means it is not an M-22 "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 ...

The most well known Muncie transmissions are the M20(wide ratio), M21(close ratio), and the M22(rock crusher). Although not mentioned much, there was also an M23 transmission that was used, beginning in 1970. The M23 is recognized by a 26-spline(fine) input shaft and a large output shaft that requires a T-400 driveshaft yoke.

1963-1966 production codes will start with the letter P and have four numbers, for example: P0421. 1. P represents the manufacturing plant, Muncie. 2. 04 represents the month code when the unit ...

Home / Shop. STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED …

Muncie 4-speeds were produced in two different ratios wide ratio (M-20) and close-ratio (M-21). An extra heavy duty close-ratio version (M-22) was also offered on many of the big-block high-performance models.The choice of transmission was dictated by the engine size and rear-axle ratio. Axle ratios of 3.73 and lower (numerically higher) came ...

The new Muncie style 4 speed even in base form is a huge improvement over factory units. Each unit starts with a completely new gearset and all internals blueprinted by us. The internals are installed in the Supercase, iron midplate and heavy duty tail. The unit is buttoned up with a new side cover assembly and forks.

The M21 & M22 is a four speed, RWD or 4WD transmission. The M21 & M22 is a Muncie engineering design, this transmission is aluminum case, extension housing and side cover. The side cover has seven bolts and two shift cams. The synchro rings have 35 teeth and the unit has a 4 step cluster gear.

Find many great new & used options and get the best deals for Muncie M-22 Four Speed Transmission - New Internal Parts at the best online prices at eBay! Free shipping for many products! ... M22 Small Parts Kit SP297-50A - 1" Countershaft (#112201841202) w***l (122) - Feedback left by buyer w***l (122). Past month; ... Rock …

A Muncie differs from a Saginaw transmission in that its reverse lever is in the tail housing, not the side cover. The difference between a Muncie and a Borg-Warner is the Muncie's 7-bolt side cover (two less than Borg-Warner units). ... The M22 is called the Rock Crusher. "Dump the Rock Crusher," hot rodders say. People think all Muncie ...

Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette, Chevelle, Nova. FALL SALE!!! ... GM 1963 to 1974 Automatic to Muncie 4-Speed Transmission Complete Conversion Swap Kit. FALL SALE!!! Rated 5.00 out of 5 $ $ Add to cart.

Muncie 4 Spd Car M22 "Close Ratio" Gear Kit This M22 Gear kit will have a 1" Countershaft pin, 16 Spline input, Close Ratio 2.20 1st gear. The kit will include the Input shaft (4th gear), Countershaft, 1st gear, 2nd gear, 3rd gear, and Reverse Idler. Input- 26 Tooth 26 Spline Close Ratio Counter Shaft- R27-22-19-17 Big 1" Pin Close Ratio 1st Gear …

This hydraulic bearing kit will fit most Chevrolet, BOP, and GMC manual 3- and 4-speed transmissions, such as the Muncie family of 4-speeds, Borg Warner T10 and Super T10 4-speeds, Saginaw 3- and 4-speeds, and even the GM-spec Tremec TKO-500 and 600 5-speeds when using a stock-style 10-1/2- or 11-inch diaphragm clutch.

4 Gear Trans Co. Muncie M22 "Rock Crusher 4 SPEEDS FROM 1965 TO 1974: This page is devoted to OEM Complete units; New aftermarket units and OEM parts and NOS parts. We have rebuild kits in stock and ready for shipment. Email us with your requirements and we will assist you in completing your M22 rebuild or providing you with a complete trans.

What makes the Rock Crusher so popular in street rods and drag cars? The M22 uses high-nickel-content-alloy straight-cut gears that have less of an angle than the M20 and …

TonyMemberfrom Rochester NY. USA. ""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.. Actually the 3rd gear station becomes the OD and the 4th gear station becomes 3rd,so the shift pattern is a little weird,1-2-4-3.

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. The M-22 has "straight cut" gears. This make the transmission tend to be noiser (whines ...

Michael Coons on NEW Auto Gear Upgraded Ultra Case Muncie HD M22 4-Speed Rock-Crusher Street/Strip. Camaro, Corvette, Chevelle, Nova. ... to 1974 Automatic to Muncie 4-Speed Transmission Complete Conversion Swap Kit. FALL SALE!!! ... up. Rated 5 out of 5. Tony Vescio – April 28, 2018. I purchased a 4 speed conversion kit from jeff at …

This page is dedicated to MUNCIE 4 Speed parts, gears and Main Cases for production from 1963 to 1974. There are six generations of Muncie 4 Speeds. Email us at …

This kit allows you to use your old Muncie or Borg Warner style (1-1/8 x 26 spline) 4 speed or Tremec TKO500/TKX transmission behind any LS based engine. Kit includes. LS- 4 Speed Bell Housing & Hardware 12" Clutch Disk, Pressure Plate, and Throwout Bearing RAM LS Flywheel GM Clutch Fork Pivot Ball GM Flywheel Bolts GM Pressure Plate Bolts

Our Price: $79.99. (10) Add To Cart. Muncie 4 Speed Transmission Master Rebuild Kit - Max Load, BK116WS-MASTER. Master Rebuild Kit. Muncie 4 Speed Transmission M20, M21 & M22 with 1" counter shaft bore. High Performance Forged Synchronizer Rings made by Synchroking! 1-BK116WS - Master Rebuild Kit - Bearing, Seals, Gaskets with …

Chevy Transmissions: Muncie M22 "Rock Crusher 4 Speeds were made From 1965 TO 1974: The most popular transmission of it's time for high performance cars built for Chevrolet and all performance oriented G.M …

The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles. The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by the engine size and rearend …

In January 1974 the muncie transmission was replaced by the Borg Warner T10. 1980 saw the TH200 used on the V6. 1981 saw the introduction of a lock up torque converter. ... In my opinion, the T10 is stronger than the M22 "rock-crusher" muncie. If I had to guess, I believe this transmission was introduced to eliminate the need to have 2 ...

1969 Camaro 4 Speed Muncie Transmission Conversion Kit, Choice of M20, M21, or M22 Rock Crusher Larger Photo Email A Friend Alternative Views: Our Price: $3,675.00 PART NUMBER: TRA-620 View quantity …

Code: New Muncie M22 2.20 close ratio or 2.52 wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. Close ratio 26 spline gear sets available in Italian or Korean made. You must select whether you need a wide or close ratio & which input spline count, 10 or 26. Fits all Muncie applications with 1" countershaft pin ...

FALL SALE!!! New Super Heavy Duty Direct Replacement and Strongest M22's Made With Muncie Auto Gear Upgraded Ultra Case and Strongest M22 Close Ratio or Wide Ratio …

NEW, Complete 67 - 68 Camaro Muncie 4 Speed Conversion Kit now available! This kit will get you basically everything needed to convert a automatic 1967 - 1968 Camaro into a four speed machine! You have a …

Code: New Muncie M22 2.20 close ratio or 2.52 wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. Close ratio 26 spline gear sets available in Italian or Korean made. You must select whether you need a wide or close ratio & which input spline count, 10 or 26. Fits all Muncie applications with 1" countershaft pin ...

The Gear Box is the source for Muncie Parts like the new assembled M22 SUPER ROCK CRUSHER 4 speed kit with micro super finish or downshift case support. ... Transmission Yokes: M5R1 / M5R2: Clutch Packs: GEARBOX TEE SHIRT: Miscellaneous: Discontinued, Used, Sale. 1st gear: Shipping: Contacts: Instructional Videos: MT82: Muncie Parts > …

Now, take this same formula and substitute 2" instead of 1.5" you end up with a 4.5 to 1 ratio. Multiply 4.5 times the 100 pounds of applied pressure and you get 450 pounds instead of 600 pound. That half inch cost you 25 percent of your clutching power. The same thing applies when you shorten the upper measurement.

4 Gear Trans Co. Muncie M22 "Rock Crusher 4 SPEEDS FROM 1965 TO 1974: This page is devoted to OEM Complete units; New aftermarket units and OEM parts and NOS parts. We have rebuild kits in stock and ready …

This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been …

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).

4 Gear Trans Co. Parts and Gears to rebuild GM 4 Speeds . ... Quality parts from our inventory are assembled into kits for rebuilding Muncie 4 Speeds. These kits are available for immediate shipment world wide. ... MUNCIE M22 "ROCK CRUSHER" 4 SPEED GEARS: We stock our own 4GTC Replacement M22 Gears. You can purchase them individually …

Garry Brown on Super Pro Road/Drag Race Muncie Upgraded Ultra Case M22 Rock-Crusher. FALL SALE; Michael wilhelm on Auto Gear Upgraded Ultra Case M22Z Rock Crusher 4-speed. Perfect Performance with 2.73 to 3.42 Rear End Gears. ... GM 1963 to 1974 Automatic to Muncie 4-Speed Transmission Complete Conversion Swap Kit. …

STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR ULTRA CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR CAMARO, NOVA, CHEVELLE, CORVETTE, GTO,442. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. C355 …