gears gears
09-23-2004, 10:13 PM
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gears gears wondering what gear to buy. mine came with the 3.23 so do i buy the 2 series or the 3 series??? this is going to be a track only car so would 3.73's or 4.10's be better with more results for the long run with out having to switch gears again???
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09-24-2004, 05:43 PM
#10
Originally Posted by ShadowLvr
Hey, getting rid of your 3.23's? And would that fit in my 96 Fleetwood?
The Fleetwood has a 8.5" axle and probably 2.93s out back(3.43s a towing option), the f-body used a 7.625 axle, so the gears will not fit, for that small a change in ratio it wouldn't be worth the effort either. I just put 3.42s in my Caprice, nice imporvement over the 2.93s and still civil even at high speeds.
On the f-body question, forget the exact ratio of the th350s first gear but I believe it is less than the 4L60Es 3.06, so just putting that tranny in you are losing a little launch gearing. If the car is going to be fast enough to make it worth swapping out the OD tranny then maybe you need to consider the combination of trap speed/stall/tire height/projected rev limit, then you can look and see just how aggressive you can get with the gears.
09-25-2004, 10:09 AM
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Originally Posted by 96capricemgr
The Fleetwood has a 8.5" axle and probably 2.93s out back(3.43s a towing option), the f-body used a 7.625 axle, so the gears will not fit, for that small a change in ratio it wouldn't be worth the effort either. I just put 3.42s in my Caprice, nice imporvement over the 2.93s and still civil even at high speeds.
Not even a 2.93. I'm currently a 2.56 rear end. Regular Fleetwood, not the Fleetwood Brougham.
09-25-2004, 08:25 PM
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the th350 is like a 2.56 i thought? not too sure. but im told it is lighter plus my a4 is old and needs rebuilt and a th350 with a good stall is cheaper than the 700 and most cases stronger. but im thinking the th350 route, with 3.73's with around a 3500-4000 stall . "new motor being built". what do you guys think??
