Brett got 387cfm out of my 8s with only a 2.15 intake valve. So 400cfm with a 2.25 should be a cakewalk...

Who gives a rata a.. about flow #s ? You can have the best flow in the world and build a pos performance motor.
Your not gonna get a 900 hp motor for $25.000 anyway we cut the pie.
Give BES,Jeremy at extreme or Chris Uratchko 35.000 and Bretts heads and you'll get a monster...And thats been said by all mentioned.

that was a tall deck block that had a crack in it ,i am getting a 9.2 deck one now .it will be only a basic build 4 inch stroke 6.123 rod 4.165 bore 13.1 comp ,heads go 400 at 750 lift with the intake on ,if it make 750 and handles 300 hit is all i am after ,just would like a couple of 8 second passes at 3550 lbs

i will get 750 not 900 i will be happy ,chris uratchko even when he runs a chev cnc port program a good idea there.

Yeah, unfortunately flow isn't the only thing. I'm watching a Comp guy struggle with a set of W8's that go over 400cfm and it's not making the power he needs. He's been at it for years, it's taken on the status of a religious quest. S/F....Ken M

small block and W8's are a religion

I always get a kick out of the guys who say flow don't mean nothin, no one ever calls them out. Of course it matters, you can not make 700 hp NA if your heads only flow 200CFM no matter how awesome the rest of the combo is or how good of quality the flow is, if it don't flow enough it can not make the HP! There are two sides to the coin and too many guys on the extremes, the guys in the middle are the ones building lots of power. I would rather have a head with an unstable 400 CFM than an awesome 200 wouldn't you? There is a happy middle ground that makes the real power.

lol yep and for the people to stay broke/never have any money the rest of there lifes