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transmissions

This is a discussion on transmissions within the Automatic Transmission forums, part of the Drivetrain category; man i blew my transmission today that can be a good thing so now i have to up grade lol ...

  1. #1
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    transmissions

    man i blew my transmission today that can be a good thing so now i have to up grade lol but have some questions should i go with an 1800-2000 or 2300-2500 rpm with an 12 in converter man i just not sure about what those numbers all mean i quest i am a dum ass any ways any help iam in a

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    Senior Member bills98ta's Avatar
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    Stock is around 1600.. Is it going to be a DD, or some drag racing in between ? For a fun DD, I'd go with at least 2800 - 3000... Upgrade the sunshell in the transmission & add an aftermarket cooler.

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    ya its a dd so 2800-3000 is that the stall converter

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    Senior Member 00z28bubba's Avatar
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    stock dyno sheets seem to like 3600. go higher if you have plans for a cam. if there is no cam in your future 3600. thats where the power is made, and you stay in your power band with that rpm stall. no less than 3400 for a stocker. lots of people say they wish they would have went bigger. if your looking for a cam it should match your converter. the companies that make the cams and stalls should be able to tell you a good matching stall size. get it with lock up if you plan to keep it a DD. 3600s have lock up im pretty sure. a strong sunshell will beef up that tranny a lot. and a tranny cooler is a must.

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    ya a cam is in the future what do think is a good number

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    Senior Member 00z28bubba's Avatar
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    probably no less than 3800. when you make a decision on the cam talk to the company to see which stall would be best. its much better to get the stall to match up well with the cam than to have a stall meant for a different power band.

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    i went with an 4000 stall 10.5 i hope its a good choice but had to make one because my TA is down with only 1 st and 2 nd gear and no reverse it sucks . so i will have to live with it. its got to be better than factory any way thanks for all your help

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    Senior Member 00z28bubba's Avatar
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    Quote Originally Posted by txoutlaw69 View Post
    i went with an 4000 stall 10.5 i hope its a good choice but had to make one because my TA is down with only 1 st and 2 nd gear and no reverse it sucks . so i will have to live with it. its got to be better than factory any way thanks for all your help
    that be nice with a midsized cam. the stall has been proven to drop e.t.'s quite a bit just by itself. with a cam to match that will be a nice combo. say bye bye to similar modded m6 cars.

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    again thanks for your help cant wait to have installed

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    Senior Member bills98ta's Avatar
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    With a stall that big, you should have some suspension mods for traction, and a HD rear end... For a DD, I'd stick with a 3000 - 3600 range... The stock 10 bolt rear might not even handle that... Of coarse, I beat the Hell out of mine !!!

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    man don't say that i just had my rear end rebuilt about two months ago iam running 373 gears with moser Axel's its going to suck real bad if it blows again . and iam looking for a good set of springs and shocks

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    Senior Member 00z28bubba's Avatar
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    with an a4 it seems that the tranny usually goes out before the rear. it is still a possibility. and the stall doesnt affect driveability. hell a few guys in town that drive stalled f-bodies just seems to raise the rpms a bit. but it takes away no driveability that i noticed. but ive only been in 2 cars and both had lock up stalls. 3400 and the 3600. both cars only have bolt-ons power mod wise. i havent heard any times on the stalls though.

  13. #13
    Senior Member bills98ta's Avatar
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    I ran a 3600 locker for a few years, blowing the rear at least 4 times, then went with a 4600 locker stall, and didn't get one launch out of it, blowing the rear again... Now I run the moser 12 bolt, and still blew it once already, after about 3 years. The tranny is the origonal 98 4l60e, built up... The higher the stall, the more traction problems you will have, but when it hooks, hang on !!!

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    sounds like i am about to spend a lot of money for rear ends lol

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    did you blow those rear ends at the track or on the street

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    Senior Member bills98ta's Avatar
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    Quote Originally Posted by txoutlaw69 View Post
    did you blow those rear ends at the track or on the street
    All track..

  17. #17
    Senior Member bills98ta's Avatar
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    The 7.5" rears are known to be a weak link... Just always keep an eye out for a great deal on a 9" or moser 12 bolt...

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