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I believe with 700hp and an auto diff ratio, you may go thru gear 1 to end of 5th in just over the 1/4 mile, its too short if you want to make anything more than 700 hp

I don't recommend the auto diff, mainly because its not as strong as the 6 speed diff:

220mm ring gear, 12 bolt case vs 200mm ring gear 10 bolt case.
 

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Discussion Starter · #4 ·
yes that is what I think , but it is a lsd same as the 6 speed ,just the ring gear diffrent, so it should be as strong. I was just thinking that if anyone has done this, and if so was it any good , and if so I would leave it in for my first drag meet.
 

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the cheapest alternative is to buy a GS400 SC430 LS430 3.26 diff and either and mate the LSD from the auto to change gearing to something more preferable for alot less $$$ involved. The 3.26 geared carriers can be bought all day in the US for $200 and up.

Jason
 
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