Quote:
Originally Posted by ANMVQ
Who told you that? numerous people and tuners I have talked to said there is 10-20WHP to be added with TP's or HFC's,. Lets not count the numerous dyno sheets I have seen where guys are making 10-20 more WHP and WTRQ more than me and the only thing different they have are TP's or HFC's.
WOW mis-facts are nice. :/
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You get the bonus from changing HFC's on an NA car but some say you loose it with an FI setup due to blow through due to valve opening overlap. I think there was some supporting dyno's for this theory but can't remember where.