im looking forward to the classic m22 whine with the new Auto Gear Muncie (ultra wide ratio) M22Z. It has 2.98/2.04/1.46/1 ratios. First gear 2.98x3.08 rear yields 9.2 in first.
GM's goal with the Muncie four-speed was to produce a better shift employing larger synchro cones. He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of Chevrolet's big-blocks in the mid-1960s.
New Muncie M22 2.20 close ratio, 2.52 wide ratio, or NEW 2.98 'Z' Ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. ... 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 Muncie M22 is known as the Rock Crusher. See how we improve its strength and versatility by adding a Gear Vendors Overdrive. ... the wide-ratio M20, the close-ratio M21, and the heavy-duty M22 ...
The M22 Rock Crusher 26-spline input shaft sports a wider gear for greater torque capacity. Just because you've found a 26-spline input shaft does not mean you've found an …
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. Looks like you have a second design-feb. 28th, 1968, M20 or M21. Definitely not a rock crusher(no straight cut gears).
Find many great new & used options and get the best deals for Muncie M22 4 Speed Transmission Close Ratio With New Rock Crusher Gears RESTORED at the best online prices at eBay! ... GM Muncie 4 Speed M20 Input Shaft 21 Tooth 10 Spline Wide Ratio Awt297-16b; Genuine OEM Mazda Transmission Shifter Dust Boot Miata Mx-5 Rx-7 B2000 B2200; …
Ironically, the Muncie was designed based of of the T-10 using its same basic layout. The Muncie 4 Speed came in 3 basic models… the M-20, M-21 & M-22. The Muncie M20 was a wide-ratio transmission and was intended for basic street drive-ability and basically for cruising your car . The first models had a 2.56:1 first gear.
Muncie Transmission ID and Ratio Guide. Series: Gear Ratio 1st, 2nd, 3rd, 4th: Spline Input: Grooves Input: Cluster Pin : Tooth Count Input: Tooth Count 4th Cluster: Output Spline: M-20 wide ratio 63-65 M-20 wide ratio 66-70 . M-20 wide ratio 71-74 . M-21 close ratio 63-65 . M-21 close ratio 66-70 . M-21 close ratio 71-74 . M-22 close ratio 65-69 .
Muncie 4 Speed Rebuild Kit 7/8″ w/207 Bearing $ 219.00 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 M22 Rock Crusher Front Reverse Idler $ 54.00 Add to cart; Muncie M20 Wide Ratio Cluster 1″ $ 195.00 Add to ...
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. ... notably the Muncie M20 wide ratio, M21 close ratio and M22 rock crusher, and automatic fans had either a two-speed Powerglide from 1964 through 1966 or, …
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 …
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 Rebuild Kit 1″ w/26-32 Spline $ 219.00 Add to cart; Muncie M22 Rock Crusher Input 26 Spline $ 175.00 – $ 185.00 Select options This product has multiple variants. The ...
Physical Characteristics: Inspect the transmission housing – differences can be spotted between the Muncie models based on the bolt patterns and overall design. Common Codes. M20: Wide ratio, mainly used in regular driving. M21: Close ratio, for high performance. M22: Known as the "Rock Crusher", designed for high-torque applications.
im looking forward to the classic m22 whine with the new Auto Gear Muncie (ultra wide ratio) M22Z. It has 2.98/2.04/1.46/1 ratios. ... I went with the " tommy gears" at 2.99 1.88 1.35 1.00, a 3.91 rear and 27 " tall tires. ... Muncie …
C1 & C2 Corvettes - Muncie close ratio vs wide - Are all early muncie 4spd close ratios, M-21s ? And wide ratios, M-20s? Or did both models have close and wide ratios available? ... C 2.20:1 Rock Crusher Reply. 0. Mar 22, 2010 | 01:28 PM Share #15 1snake. Le Mans Master . Joined: Dec 2007. Posts: 8,000 ...
M22-Wide vs M22 "Rock Crusher" Jump to Latest ... Can I buy a heavy-duty Italian gear set in the M20 wide gear ratio w/ the 4th gear OD that I can install in my stock, '67 Camaro's M20 case, iron/steel midplate and all?? ... Will these be M22-style gears? What are the 2nd and 3rd ratios? Why is the mainshaft different??? Thanks!
The 2.56:1 ratio is commonly referred to as the M20. Muncie also had a second close-ratio transmission designated M22 and often referred to as the "rock-crusher," which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission. It is the heavy-duty version of the 2.20:1 ratio ...
IMHO save the close ratio gearsets of the M22 for use ahead of 3.73:1 and larger ratio rear ends, and FWIW I wouldn't go smaller than a 3.36:1 rear gear even with a wide ratio Muncie box. Forget the Muncie OD, unless it's going in your pickup truck. BTW, you can now buy high-quality M22 "rock crusher" style wide ratio gearsets!
ORIGINALLY, in the beginning of the Muncie evolution, there was the M20(wide ratio) and the M21(close ratio). A VERY, VERY, VERY few Heavy Duty, close ratio Muncies were specially built for severe duty service (such as …
Muncie M20 Wide Ratio Second Gear $ 120.00 Add to cart; Muncie 4 Speed Gasket Set $ 8.50 Add to cart; Muncie M22 Rock Crusher Front Reverse Idler $ 54.00 Add to cart; Muncie M20 Wide Ratio Input 10 Spline $ 145.00 – $ 179.00 …
How to Identify Muncie 4 Speed Transmissions. New M22 Ratio Chart. Auto Gear M22 Derivatives for Muncie Transmissions. Designator. 1st Gear. 2nd Gear. 3rd Gear. 4th Gear ... M22W Custom Wide Ratio (Available Spring '02) We designed this gearset to run with more economical axle ratios such as 3.55 and 3.70. ...
All 67-74 Muncies carry a producion code number stamped vertically on right side of case beginning with "P". Muncies assembly codes are model year. (example: P8R23 is assembled Oct 23, 1967 for 1968 model year. Some Muncies also …
Special "Z" ratio (2.98-1st, 2.04-2nd,1.46-3rd, 1:1-4th) Perfect for your 2.73 to 3.42 gears. Excellent performance in 1st gear and low RPM on the highway. Forget the 5 or 6 speed and all the mods needed to install. The M22z will be a direct …
Has anybody used the new complete sets of M20 or M22 Auto Gear Equipment Gears? They are made in Italy and supposed to be pretty good. The M22 gear set actually gives you a wide ratio set similar (but not exact) to an M20 wide ratio. The M22 set costs about $100 more than the M20 set. Any comments on the benefit or issues of going with M22 over ...
MUNCIE M22 "ROCK CRUSHER" 4 SPEED GEARS: We stock our own 4GTC Replacement M22 Gears. You can purchase them individually or in complete sets that include the 6 in-case gears (Cluster, Input, 1st, 2nd, 3rd and the Front Reverse Idler). ... (2.20) and Wide Ratio (2.52) with 10 or 26 Spline Input so you don't have to swap out your clutch ...
Find many great new & used options and get the best deals for Chevy GM Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission 26 Spline at the best online prices at eBay! Free shipping for many products! ... ALL NEW GEARS Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS. $2,795.00. Last one +$100.00 shipping.
(Also known as the Rock Crusher due to the whining sound these trannies make while upshifting 1st thru 3rd gears due to those "helical cut" straight gears. By 1970 the output was larger ( like a Turbo 400 yoke) and had the fine spline (26) input shafts. two grooves = 2.52 wide ratio tranny while NO GROOVES = 2.20 1st gear ratio.
Buy Muncie M22 Transmission Wide Ratio Gear Kit GK-M22W-10 - Shop for all your M20 M21 M22 Muncie 4 Speed Transmission Parts at Wholesale Pricing!
Muncie Close Ratio - M-22 Rock Crusher Four Speed Transmission - ALL NEW GEARS (#123871668653) ... See More Details about "1968 Muncie M22 4 Speed Transmission Wide Ratio 392566..." Return to top. ... Muncie 4 Speed Gears; Muncie Overdrive; Muncie Central; Muncie M20 Rebuild Kit; Auto Gear Muncie;
Muncie M20 Wide Ratio Second Gear $ 120.00 Add to cart; Muncie M22 Rock Crusher Input 26 Spline $ 175.00 – $ 185.00 Select options This product has multiple variants. The options may be chosen on the product page; Muncie M20/M21/M22 Reverse Idler Shaft $ 43.00 Add to cart; Muncie M22 Rock Crusher Third Gear $ 112.00 Add to cart
Muncie M20 Wide Ratio Cluster 1″ $ 195.00 Add to cart; Muncie M20/M21 Front Reverse Idler Gear $ 49.00 Add to cart; Muncie 4 Speed Gasket Set $ 8.50 Add to cart; Muncie M22 Rock Crusher First Gear $ 119.00 Add to cart
Muncie Speedo Gears: Muncie Synchro Parts: Muncie Diagram / Drawing: Sort By: ... The Muncie M20 wide ratio manual transmission, the Muncie M21 close ratio manual transmission and the Muncie M22 heavy-duty close ratio manual transmission. ... This design creates the distinctive low-RPM rattle and high-RPM whine the Rock Crusher is known for ...