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Ok I just picked up a turbo 5.0 car with a stock bottom end, svo aluminum gt40 heads and cobra upper/lower. Its got a single borgwarner 72mm on it and a/a intercooler. Its a c4 car as well. The wastegate spring is at 13# right now and plan on running that most of time on pump but possibly turning it up a lil bit to 15lbs on race gas.

Question is its got a hesitation off ilde and is not responding to throttle loaded. The car needs a cap and rotor badly and I am gonna make new plug wires for it as well. Anyone reccomend a good plug for these heads and this setup that I can run in this car.

Thanks
 

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I have tried lots of different plugs..from a stock heat range to a 4 step colder & so far AR3933's seem to be woking the best! No fouling & cheap too!!
 

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Try doing some research on E3's
Their expensive as hell. $6 a piece
 
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