Quote:
Originally Posted by GTAHVIT
That's beyond my knowledge of the system.. I have no idea what triggers the ECM to advance or retard the timing. I always assumed it was the knock sensors that told the ECM to correct for different octane levels....
But I'm not completely sure.
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Knock sensors do for sure, if it senses knock it will pull timing and is supposed to slowly add it back in. Also the IAT tells the computer to retard or advance timing depending on the weather conditions to my limited understanding.
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2010 SS L99, 536rwhp 10.843@126.72. Whipple Supercharger stock pulley, ARH 1 7/8 longtubes w/ catted xpipe, magnaflow 3" mufflers, ADM Race CAI, 3:70 gears, lightweight wheels and nitto drag radials. Stock internal L99, stock converter.
Bolt on best before blower 12.22@113.29 w/ nothing but ARH headers, catted x-pipe, ADM CAI and a tune on stock Pzero`s!
Other car 2008 C6 Ls3, z51, A6, Npp Exhaust, best bonestock pass 11.80@118.82, Number 2 on the Corvette Forums Bonestock fastest list..
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