HELP! Car goes super lean (o2 CEL, NEW OEM o2, 300mi fresh motor) on highway...
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12-07-2012, 09:20 AM
Yeah its 3/4. Get a uni-bit, and only go 80% of the way through with the 3/4" step size so you have a nice lip to set the bung on when you weld it so it doesnt fall through.
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