Muncie 4 Speed M20 Gearset With 10 Spline Input. Part No: RSG297-M20GS10S. Price: $699.95. Sale Price: $539.95. Click Image For More Details. Muncie 4 Speed M21 Gear Kit in 10 or 26 Spline Input YOU CHOOSE. Part No: RSG-M21-26GK.
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 ...
This wide-ratio gear kit, M22W-26, has a 26-spline input and is what you want for your application with wide Muncie M22 gear ratios. Quality manufactured by industry leader Transolutions, you won't find a better deal on a Muncie gear ratio for wide-ratio transmission parts. Shop here for the best-quality parts, the best prices and the best service.
Oct 18, 2011· A M20 or M21 will work well with any ratio from around 3.23 to 4.xx A M22 works well with any ratio from around 3.73-4.xx
Apr 25, 2007· The M22 wide is almost the same ratio as the M20. The M22W is 2.559, 1.752, 1.366, 1.00. There is also a M21W gear set now, 2.52, 1.726, 1.346, 1.00. The difference between the M22 and M22W is to compare them side by side with a real application like your maybe 3.73:1 rear gear choice.
muncie m21 to m22 transmission gear conversion kit 6-piece with 26t 10-spline close-ratio input fits '63-'74 Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best)
Apr 07, 2017· M-20 is wide ratio, 21 is close and the M-22 is close ratio with a different helix angle on the gears to make it a bit stronger, but they make a noticeable howling noise. It is said that T-10's have an issue popping out of 2nd gear, but it's never happened with the one I run.
Description. Upgrade your worn out Muncie gears with a completely new M22W set. The M22W gearset keeps the 2.56 1st gear for better drivability for use with 3.23 to 3.90 axle gears and maintains a close ratio gear spread by incorporating a 1.75 2nd and 1.37 3rd gear ratio …
Complete New M22 SuperCase Transimissions include legendary Italian gears and shafts by Masiero, synchronizers by Euroricambi and Auto Gear's own thrust-button SuperCase, aircraft grade aluminum, 'Oilite'-bushed shift cover, improved tailhousing and investment-cast steel shift forks. Correct fit for all 1969 - 1973 model Camaros.
The Italian Aftermarket M22 gears come in Close (2.20) with 10 or 26 Spline Input (clutch gears) and Wide (2.56) in 10 or 26 Spline Input) Ratios. Our 4GTC Private Label M22 Gears are available in Close Ratio (2.20) and Wide Ratio (2.52) with 10 or 26 Spline Input so you don't have to swap out your clutch installing the Wide Ratio M22 in you ...
Aug 07, 2018· Shown here is the M20 10-spline wide-ratio input shaft and counter gear. There is also a fine-tooth 26-spline input shaft employed from 1971-'74. See all 22 photos 5.
STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR SUPER CASE With The Strongest M22w WIDE RATIO or Close Ratio Gears for a 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 Forged Aluminum Mid-Plate.
The Wide Ratio M22 gear set is based on the 2.52 first gear ratio's and is available in both 10 and 26 spline Inputs. Contact us for suggestions of which set would best serve your application. This is an example of a OEM 1965-69 M22 4 Speed. It has 10 Splines on the Input (Clutch) Gear and 27 Splines on the mainshaft Output (yoke). ...
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 ...
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 . M-22 close ratio 70-74. 2.56, 1.91, 1.48, 1 ...
Oct 30, 2008· The reproduction trannys are available in all of the original Muncie gear ratio versions, including the Heavy Duty M-22 version. Since the original M-22 was ONLY available in the close ratio version, there is NOW an M-22W. This M-22W version is simply a wide ratio version (thus the W) of the M-22.
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, 1966-74.
All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set. From 1963 to 1965 the close ratio M21 was ordered under the M20 RPO code and the factory decided whether to install a wide ratio M20 or close ratio M21 depending on the rear axle ratio specified.
Aug 01, 2008· "The 392 will rap RPM's faster with the close M22" No, the wide ratio had more torque in every gear. "with the wide ratio you may feel the urge to drop a gear first" Backwards - the wide ratio is lower MPH and higher RPM in every gear. "what rpm that it will run 1 to 1 or 4th gear at 70mph. with a 3.73 rear." About 2,745 RPM.
Oct 28, 2008· Wide ratios are good for heavier vehicles or vehicles with a broader HP and TQ curve. All 4-speed muncie ratios end at 1:1, so close ratio means your first gear won't be as deep. That's fine in something like a big block Nova that is light and has tons of torque to spare. The wide ratio might be better in a heavy truck because it has a lower ...
Sep 09, 2014· 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. This is known as the "Rock Crusher M-22" and Grand Daddy of the Muncies.
Muncie M22 10 Spline Input Wide Ratio Gear Kit, GKM22W-10 Ratio 2.52 Fits GM Cars 1963-1974 with the Muncie 4 Speed. Average Rating: 5 of 5 Total Reviews: 5 Write a review » 0 of 0 people found the following review helpful: ...
Aug 21, 2005· So if you have a M20-21 and swap in those gears then you have a made up M22, with a case that is numbered as a M20 or a M21. It's cheaper than buying a coded M22. If you like the ratio of the M20 then you can now buy M22 wide ratio gears that is the same ratio as the M20. M21 and M22 both have the same ratio.-----Mark D 1970 Z28
New Super Heavy Duty Direct Replacement and Strongest M22's Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio Gears. 10 OR 26 spline input and large 27 OR 32 spline output shaft. C355 Forged Aluminum Mid-Plate. Super Tail. AG Roller Side Cover. A great…
New Super Heavy Duty Direct Replacement and Strongest M22's Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio Gears. 10 OR 26 spline input and large 27 OR 32 spline output shaft. C355 Forged Aluminum Mid-Plate. …
Dec 09, 2017· I bought a M-22 back when I was putting this together a year ago. It's not an original. It has all new parts and case. The guy built it as a "Close Ratio". He now also builds a "Wide Ratio" WIDE RATIO:2.52:1 First Gear, 2nd 1.88:1, 3rd 1.46:1, 4th direct, Reverse 2.59:1 CLOSE RATIO: 2.20:1...
Oct 12, 2014· The M20 wide may be a bit different on the ratios and of course they are not as noisy as the original M22 close ratio transmissions. The new M22s are not as noisy as the originals although I do not find the originals all that objectionable but to each their own. M22 Standard Close Ratio …
