Trick Flow small block heads

DrEamer said
I just got back from dropping of my block at the grey's Automotive machine shop when the subject came up about the Trick Flow heads. He had just dynoed a set on a mild 408. Cam was a Comp hydraulic roller 230/236 @ .50, Eldelbrock air gap, and Holley Sniper EFI. Horsepower was 439, with torque of 470. He was disappointed in the numbers. His thought with those flow number he would see closer to 500 on each. They have also talked to a couple of other shops that have done similar builds, and they get comparable figures. Right now dyno sheets are being sent to Trick Flow to see if something can be done. The leading thought is that these heads may be too big for a street engine, but are waiting for Trick Flow to respond.

First off, those heads are TOO FING SMALL for 400 inches. Anyone that thinks they are too big has spent too much time burning the hippie lettuce.

Second, as I say all the time, you can't go by flow numbers. That engine would be 70-80 HP better with a set of W2 heads with nothing but a quality valve job.

The intake manifold was wrong. So was using EFI like that on that intake.

Again, if Grey says that's what it makes, I believe him.

But to say those heads are too big is *** backwards and full blown retarded.