RUMORED BUZZ ON BLACKTOP 20V 4AGE

The blacktop has lighter internals which can be also weaker, but it is a bit more rapidly. No harm if you're not undertaking any significant mods, but any forced induction and you'll be needing to uprate the blacktops internals.Therefore they aren't interchangeable in between one another Except if the matching VVT pulley is additionally equipped, b