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Old 08-22-2011, 01:49 PM
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Crash Crash is offline
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Thanks RamTex, I will set up a log and see where exactly I am spiking the st knock. Yesterday I went back to stock parameters on 87 perf tune and the knock has 90% vanished (at about 40% throttle ffrom a standing start I see 2) but without actually logging it is hard to know exact rpm. Still learning but reading everything I can find. I will take your good advice on hemifever soon...need to get exhaust done first. And I cant wait till my next tank...will try 91tune. I am concerned because here I have read several blogs about gas stations selling gas rated at a higher octane than it really is so I may try a few different stations also.
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