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fitv iacv smoke gsr tb
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  1. Naturally Aspirated
    car was running fine with no smoke at all. I installed a port to head matched z6 intake manifold with a gsr throttle body on my z6. The car pulls amazing and was a big difference but now it smokes like hell. people on here we saying check the pcv (i did nothing wrong) but could the fitv or the...
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