Quote:
Originally Posted by Fraxum
Any thoughts on if the manifold porting will require a tune? I was not a warranty worrier until I had problems with my ZL1. And now GM is buying it back.
Of course the Chevy CAI tune may be the hot ticket. I see no mention of a tune any more with the GM CAI. Was that a mirage?
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Another beauty of our LT1 is that it is NA and you do NOT need a tune for ported stuff nor even for an intake (unless stated otherwise by the manufacturer of the intake). Now... If you want to maximize the efficiency, you do want to get a tune. Even without a tune, you gain efficeincy. The numbers I am about to use are pure hypothetical! Without a tune you get 6rwhp on the TB but you get 10rwhp with a tune. 5rwhp without a tune and 8 rwhp with a tune. etc.
I think GM needs to hurry up and release their intake with or without a tune... With a tune it's even better. Whomever comes first to the market will write their own golden ticket.