
06-06-2007, 10:13 AM
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CC Member
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Join Date: May 2007
Cobra Make, Engine: CSX4000 w/CSXblock
Posts: 77
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Not Ranked
Tighten all manifold bolts as mentioned. I would also check spark plugs to make sure they are not fouled.
I had backfiring problems and after cleaning the driver's side plugs and turning the curb idle screws 1/4 turn 'in' she ran like a top..
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