LS1 swap in Porsche backfire need help
01-23-2010, 11:30 PM
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LS1 swap in Porsche backfire need help I am wrapping up my LS1 swap into a Porsche 944 Turbo. On the dyno today we are having a backfire at 4500 rpm's.
The car idles & runs well but at 4500 we get the backfire. On the dyno o2 was 12 to 1 at WOT so it shouldn’t be a tuning issue. I was told to check for bad grounds. Any ideas?
The car idles & runs well but at 4500 we get the backfire. On the dyno o2 was 12 to 1 at WOT so it shouldn’t be a tuning issue. I was told to check for bad grounds. Any ideas?
