MAT1955
Well-Known Member
@snakeyes ...... agreed. Many if not most claims of significant HP claims with simple bolt-on products are IMO false. Of course, I'm not talking about Whipples for example. When building engines we found once you got a certain amount of HP out of a naturally aspirated engine it was very difficult to get any meaningful HP without going forced induction of some sort. For example we'd take a 350 and stroke it to a 383 and get 390-400 Hp on the dyno (although at 400HP it would be pretty twitchy) so I get a laugh out of guys who say you can put a new air filter on the car and get 6-10 HP. I call that BS.
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