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So, there's the issue of the PCV valve on 99's allowing oil to pass into the upper intake and can lead to some detonation.
I've seen az2kvert's site showing how he added a Fuel filter in line between the valve cover and the intake, on the pcv tube.
Is this something I should consider doing, or maybe see about getting new valve covers
I've seen az2kvert's site showing how he added a Fuel filter in line between the valve cover and the intake, on the pcv tube.
Is this something I should consider doing, or maybe see about getting new valve covers