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AFM744 AFM744 is offline
Cynical Misanthrope
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Join Date: Dec 2001
Location: Campbell, CA
Posts: 382
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I knew before seeing the timing graphs when I had the S4 tuning right. The exhaust note took on a different, more guttoral note, and it would just demolish 3rd gear pulls. Biggest problem on that car was the Det sensors would sense (something) and the ECU would dump 20deg of timing. You'd do the same pull on 100oct and get the same result, i.e. the det sensors were way hyperactive and the ECU overreactive. A later code on the same hardware uncorked 50hp. I'd just rather take that into my own hands and be able to actually learn how to tune rather than just stand in line to write a big check and be told to be happy with it again.
X-1, AFM744, Jon, '92 C2 Turbo
JE 8:1 pistons, 964 cams, 38mm intakes ported/polished/twinplugged, ARP hardware, B&B headers/exhaust, 355whp. Full-blown GT35R 3.2 intake EFI pending...
Where my misspent time and money is currently going.
Old 05-28-2008, 01:10 AM
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