l98 timing for speed
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Joined: Apr 2006
Posts: 290
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From: Columbus
Car: 88 Formula, 72 Nova, 68 Chevelle
Engine: L98, mild 350, L79 327
Transmission: 700R4, M20, M20
Axle/Gears: 9b 327,10b 373, 12b 331
l98 timing for speed
have a 88 l98 car , with premium fuel how far should i advance the timing for better times?
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Joined: Mar 2004
Posts: 948
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From: Clearfield,Utah
Car: 1987 IROC, 1989 IROC
Engine: built 305, stock 305 tpi
Transmission: Corvette 700r4, t-5
Axle/Gears: 4.10 posi, 3.08 posi
Make sure the EST is disconnected and i would say advance it to 10-12 degrees. You could also advance it until it pinged and then back it off about 2 degree's.
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