In the FAQ there is a list of the speedo gears for automatic trans. Does anyone have a chart for the T5 gears? Thanks. ------------------ West Coast GM Shootout 2001! 1991 Camaro Z28 5.7L 5-Speed (originally 305) 13.25 @ 107.18 MPH Southern California Member: SoCal 3rd Gen F-Bodies Webmaster: SoCal F-Bodies -=ICON Motorsports=-

Here is a calculator that helps:
http://www.hanlonmotorsports.com/t5speedo.asp

Kevin, I'm sending you an e-mail with a few pages from the GM list I have. Got it a while back from GM Customer Assistance Center. It was in an odd greenbar format, and when they printed it, the formatting was lost. I scanned the individual pages. They're for - 82-96 f-bodies.

It's based on tranny, gear ratio & tire size. The pages are in .pdf format There are 24 pages in all. E-mail me and lets figure out the best way for me to get them to you for posting in the tech area.

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KevinP92Z
92 Z28 383 SLP cam,SLP headers,SLP 2ontheLeft,Trick Flow TW heads & pistons,Edelbrock base,Accel SuperRam,52mmTB,Scat Crank & forged ConnRods,MSD 6AL,SLP convertor,Baer 13/12" Track,Moser axles,Hotchkis,Genuine GM 3.42s,SLP HD Torsen,17x9" chrome SS rims
96T/A w/SLP Ram Air,SLP 2ontheLeft, Bilsteins, Baer, Hotchkis, Genuine GM, Torsen
76 4X4 Blazer 400TPI project

Tom, that link rules! I found out something too. I was told that I needed a 7/21 combo, but when I plugged my 255/50-16's and 3.70 combo into that site, it said 7/20. I tried 245/50-16's with a 3.73, and it said 7/21. Good thing I saw your link!

KevinP, I can put it up on my website, but it'd be best to send it to Dirk so he can put it on here.