thats great news! can the 91-94 ports be cleaned up to the newer head specs
and beyond? i have a friend who maybe willing to port mine.(old 510
tuner)this wont cost me hardly anything.also the heads must be very
detonation resistant because im running 15degrees timing,87 octane(company
wont go for good stuff)with gunk octane boost(2 points).this should give me
89 or 90 octane and not one ping!i know this isnt recommended but its working
really well.well enough to dust some older jettas with fancy mufflers.
jay
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