Question about 1985 Chevrolet Corvette

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1985 corvette - it back fires like pops through the exhaust and we did a tune up . it had split fire spark plugs and we put ngk's

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You might check to make sure the plug wires are not on the wrong plug.
Also make sure the plg wires are not damaged from pulling on and off.
There are other things to check depending on what things you did to do the tune up

Posted on Oct 11, 2010

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