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Thread: knock retard
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01-11-2008, 06:02 PM #1
- Join Date
- Jul 2007
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- most miserable city in the US
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- 39
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- 569
blue green chameleon- 1998 Trans Am
knock retard
okay so im getting knock retard of up to 3.14* in my t/a. its gottan as high as 5.23* but only once that i saw. it seems to happen more in the lower rpms of first and second gear.(m6) i was wondering if i add fuel to the lower rpms at wot(2k-4k) if that might help. i have a diablo sport w/ slp's tune on it, so i can play with the tune a little. i had the same tune on my SS and had no problems and i felt a noticeable difference w/ it. so would adding fuel help??(the only mod i have added is a p/p throttle body, but i didnt check for the kr before adding the throttle body just after.)
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01-11-2008, 09:18 PM #2
it's kind of a blunt tool, how do you know the car is lean in that area, and how well can you target the change? I know you can't do much with spark since you can only shift the whole map up or down...
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01-12-2008, 05:42 AM #3
Is that at WOT? And, if so, can you confirm that you're in FTC 15 or 22? Did you check that you're getting close to 100% TP at WOT with the new TB (or, at least, wherever the threshold for PE mode is)?
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01-12-2008, 06:08 AM #4
i was getting knock retard when my y-pipe was hitting my floor board
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01-12-2008, 10:45 AM #5
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01-12-2008, 10:55 AM #6
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01-14-2008, 04:28 PM #7
have you logged it to see what your timing is in that area? What's your O2's saying when you're getting knock if it's in PE?
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