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Well by itself, I didn't notice much difference. I've since put on an intake and added more fuel with a vafcII and noticed a bigger gain. I really need to tune it on a dyno to see the best result. But the DH ports are alot bigger than KMS. Still bigger may not necessarily be better in terms of exhaust flow velocity.
Well by itself, I didn't notice much difference. I've since put on an intake and added more fuel with a vafcII and noticed a bigger gain. I really need to tune it on a dyno to see the best result. But the DH ports are alot bigger than KMS. Still bigger may not necessarily be better in terms of exhaust flow velocity.
Did u change the timing belt when u put the head on?
Exactly. the KMS IM was a dissapointment for the N/A people, but FI is a different story...John seems to do pretty good work from what I have seen...I bet the P&P job is better than the DH by far