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it is a 446 3.75 stroke 4.351 bore with ported iron heads[346] 280int/180 ex at .600 .646/.631 lift 112lsa. 260/269 dur at .050 291/306 at .020.


First, congrats on the successful dyno session. These #'s are crazy high for that combination of parts at that boost level thru a roots blower IMO. You're validating a number that 'doesn't matter' to you by accepting specific compliments about HP without qualifying it. What parts did you change from the last combination that made near 800 HP? Where were you measuring the boost level? I see 30+HP per # of boost. This huge HP again serves as an advertisement of sorts and to quantify it IMO you should post what HP you made when your car last ran. Once again we'll, I'm not the only naysayer here, let your MPH speak for the power your making. Is that such a crazy concept?