New 408 E85 build using the Trick Flow Power Port 190 heads

I notice the OP is in Denver, when I had my cam spec'd by Racer Brown (I'm in northern CO) Jim mentioned the lower air density kind of throws a wrench into the mix. That might be one reason the cam is a bit milder than would normally be considered for a 408" like that, it's more of a challenge keeping decent dynamic compression at ~5500 ft above sea level. It also hurts on the top end as well, engines tend to wind out a bit earlier than normal at altitude. It sucks lol.

My Duster runs awesome with its "new" engine but I can only imagine what a well-matched centrifugal blower with 6-10 lbs boost could do. I've already got head studs and Cometic head gaskets heh heh...