LT1-LT4 Modifications 1993-97 Gen II Small Block V8

New 355LT1 sets P300 periodically

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Old 08-15-2011, 04:20 PM
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Default New 355LT1 sets P300 periodically

Just got done with a new build, and the car set a P0300 every now and again, we have data logged and the car knocks to a point and then resets the knocks on the data logger. The light does go out and the car runs fine. Knock counts get up to about 300 on #1 and about 80 on #2 and small single digits on the others. Do you guys have any suggestions, we have played with weight on the flywheel.



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