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trans gear ratio's https://slantsix.org/forum/viewtopic.php?t=54039 |
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Author: | J S Goldman [ Tue Dec 10, 2013 3:00 pm ] |
Post subject: | trans gear ratio's |
i found a friend who has a stort tail od trans, it has a 3.09 first gear and it also has a 5" throw out bearing colar, is that all right for a /6 street car ? is the 3.09 too high of a first gear? can i use that colar on the throw out bearing? will it work in a street car? is it the right one to use? |
Author: | DusterIdiot [ Tue Dec 10, 2013 7:01 pm ] |
Post subject: | Er...yeah! |
Quote: i found a friend who has a stort tail od trans, it has a 3.09 first gear and it also has a 5" throw out bearing colar, is that all right for a /6 street car ? is the 3.09 too high of a first gear? can i use that colar on the throw out bearing? will it work in a street car? is it the right one to use?
Considering those trannies were used from 1975-1976 in A-bodies stock, and F-bodies from 1976-1980 for daily driving that should not be a problem.All A-833 OD tranny come in: 1st gear 3.09 2nd gear 1.67 3rd gear 1:1 (direct and the collar locks the input to the mainshaft) 4th/OD gear .73 3.09 is not really too low for most street ratios, but will be a 'hiccup' on the way to 2nd gear for anything that is a 4.11 or 4.56+ rear ratio (in fact that tranny in my duster will accelerate itself off the line if I just let out the clutch in 1st). What you will find is that the OD gear is a little "steep" if used with a 2.94 or 3.23 rear end...I found that a set of 3.55's are a good 'street' gear for it (fun off the line but you get to keep the gas mileage on the highway), I think a set of 3.73 or 3.91's would be about right for a hopped up street/strip car. It will use the standard throwout bearing used on any road mopar with a 3 or 4 speed (except the trucks with the NP-435 4 speed). ![]() -D.Idiot |
Author: | Sam Powell [ Tue Dec 10, 2013 7:11 pm ] |
Post subject: | |
I had a cast iron version of that transmission in this Dart for awhile. I took it out and put it in my 360 Dart (now sold) when I went with the T-5. It was a good combo for the slant, but as DI says, there is a steep drop off going into 2nd. It might still be in this car if I had not been looking for an OD tranny that would hold up to the power of the 360. It is the easiest way to get an OD tranny behind a slant. It did not shift as fast as the T-5, but the 360 would have crushed this t-5. Sam |
Author: | J S Goldman [ Wed Dec 11, 2013 9:26 pm ] |
Post subject: | gear raitos |
thanks for the quick reply ! |
Author: | Doc [ Thu Dec 12, 2013 10:59 am ] |
Post subject: | |
Some info here: http://www.slantsix.org/articles/4-spee ... speed1.htm |
Author: | J S Goldman [ Thu Dec 12, 2013 12:05 pm ] |
Post subject: | transmission |
thank you for your help!!! |
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