Quote:
Originally Posted by Mild2Wild
I should try and link a copy of spreadsheets of both options with speeds calculated all the way from 0 to 9000rpm in 250rpm increments.
I'm having to settle for now...couldn't locate a 3.73, but then saw that a complete IS300 3.91 pumpkin popped up on eBay and jumped at the chance to even try it out since it was a good price. I'll still be on the lookout for the former, though.
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Weir performance has used ratios down to 3.58 for our differentials. Call Spence at his shop,
http://weirperformance.com/contactus.html. Don't email, call. Ask about the used FD ratios 3.73, and even 3.58 for Toyota Supra's 1986.5-92. Those are the ones that fit our FD's. Are you going to use the stock drive line?