Some mod help
12-22-2018, 04:35 PM
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Some mod help 2002 ws6. 58k on it. A4 with 3.23s. Only mods are magnaflow catback and slp lid. Koni sports and strano springs. I am looking at doing
A. Kooks headers with ory and tune.
B. Above with 3000 stall converter
C. The converter and a new rear, either 12bolt or Ford 9inch with 373 gears.
A. Kooks headers with ory and tune.
B. Above with 3000 stall converter
C. The converter and a new rear, either 12bolt or Ford 9inch with 373 gears.
12-22-2018, 05:54 PM
#2
A convertor,Yank SS3600 or CircleD equivalent. The little GM 10 bolt holds up very well behind an automatic,even with a convertor. Anything less than those two convertors(such as 3200 or 3000) is a waste of money and leaving performance on the table. Also forget the gears for now,3.23s' are great with the proper convertor.
12-22-2018, 06:54 PM
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Everything posted by @FirstYrLS1Z above is excellent advice. I second all of it. 
I wouldn't consider a new rear for a bolt-on A4 car, unless something is already terribly wrong with yours. Keep wheel hop at bay (good shocks which you already have, and perhaps a control arm upgrade) and you might be shocked at how much the stock 10-bolt can handle behind an auto:
https://ls1tech.com/forums/gears-axl...ock-7-5-a.html
Keep in mind, once you have a ~3500 stall speed in place the difference between 3.23 and 3.73 will be no more than one tenth of ET reduction at best with a 4L60E.
I wouldn't consider a new rear for a bolt-on A4 car, unless something is already terribly wrong with yours. Keep wheel hop at bay (good shocks which you already have, and perhaps a control arm upgrade) and you might be shocked at how much the stock 10-bolt can handle behind an auto:
https://ls1tech.com/forums/gears-axl...ock-7-5-a.html
Keep in mind, once you have a ~3500 stall speed in place the difference between 3.23 and 3.73 will be no more than one tenth of ET reduction at best with a 4L60E.