The T-10 four-speed was an evolution of the T-85 three-speed transmission, with each of those transmissions being fairly comparable in look. An aerial view of the Chevrolet-Muncie plant located in Muncie, Indiana from 1970 reveals its massiveness. All our kits also have our 2year unlimited mileage, horsepower, and abuse warranty — you can go to the dragstrip every weekend and still be covered — no other overdrive can handle that. I have heard the M-22 was also available as a 2. Synchronizers are, without question, the most complex and most technically demanding components in any manual transmission. He has a 383 stroker in the car but I dont think the motor makes a difference.
I really do love this website, it has been nothing but help. When shifting from 2nd to 3rd this would suck because you have to go sideways with the shift lever to where 4th gear used to be instead of diagnal and up. Most street guys will just grab a clutchless gear at whatever moment they start accelerating and then progress up through the gear box leaving the overdrive on so that each gear is just now up a step. Note the H103065 stamped on the flange and the date is shown by the P1030 stamping in the upper right of this photo. This equates to April 23, 1974, M21 ratio.
My question is can I run the 3. Originally posted by Trainman: Try Tons of info on all manual transmissions. Its design also allows for the elimination of the paper gaskets to reduce leak potential. If new idler shaft is being used. I finally got around to it. The M-21 and M-22 were both a 2. I personaly prefer an even spread all the way through.
The other gears are fine. The regular 4-speed M-20 has ratios of 2. Pour in oil using an external funnel and a length of hose until the oil begins to run back out the filler hole and into the tin. Any advice from anyone who has experience with this setup would be deeply appreciated. When I drive the car I drive it on the highway 20 miles one way to work. He seems like a pretty solid guy and I really like their products. The 9 to 1 thing is a rule of thumb and a torquey motor can cover up some sins.
I've looked up some info on the difference between a wide ratio and close ratio, like you said the choice depends on the other gear ratios in the drivetrain. Our factory transmissions are dyno tested before leaving the factory, ensuring the highest quality, We offer a no hassle 12 month warranty, performance guaranteed. It is unclear why there is the discrepancy. Two are early type aspect covers. Be forewarned these tags are being reproduced, see example below, so be wary of the tag's condition before accepting the fact it is the correct transmission for your application. In case you discover an M22, you might have the last word Muncie designed for the excessive torque of a big-block that may bolt to your small-block. Besided there isnt much going on on the streets as far as street racing from light to light anymore.
Torque tension onto the transmission case fig. And they are all made to, and inspected against, Auto Gear prints. Nevertheless, neither compares to the Muncie when it comes to power. Towing the Vehicle with the Rear of the Car raised avoids this problem. Muncie 4-speed Transmission Group 4.
The transmission was assembled December 13, 1967 for the 1968 model year. An example would be the date code P8T13, meaning 1968 8 , December T , 13th. These words are very similar for the M20 and T10 but with some slight ratio differences depending on model. This decodes to 1970 0 , March C , 25th, M21 B. Second a count of the input shaft and output shaft splines and if any rings or grooves exist around the input shaft splines. I plan to get a gear vendors overdrive later down the road but I have spent so much money at this point a rear end rebuild will be the straw that broke my wifes back and this may be my last post ever.
Coasting in Neutral: When Coasting in Neutral there is a big difference in Speed between the Mainshaft and Layshaft Gears. I know the M21 and M22 have the same gear ratios and the M20 has steeper gears. Select this link to see what. Few issues excite just like the sound and really feel of an old style Chevrolet muscle automotive and that acquainted whine of a basic Muncie four-speed transmission going by way of the gears. I know the M22 is the strongest of all. M-21 is close ratio, shift from 2nd to 3rd and you can't tell the difference.
Camaro to take to cruise nights and drive around town on the weekends. Post Reply wide ratio is far better than narrow ratio. Likewise a P8S28 stamp means 1968 8 , September S , 28th of the calendar year 1967 for a 1968 Chevelle. I have a 77 Z28 350 modified 15 inch wheels with a Borg Warner Super T-10 M21 and a 3. I have an M-20 and it is a nice, evenly spaced trans. Since the M20 and M21 look the same one way to tell them apart aside from the grooves on the input shaft is the tooth count on the cluster gear.