Don Terrill’s Speed-Talk

Looking for a v6 bowtie block and steel crank. Needs to be an even fire crank.

The over all ratio is 88%. The header is 1.5 inch diameter . At the exhaust opening I can probably open it up a little more . Right now it is only 1.5 X 1 & 3/8 .

The valve seat inserts due interlock. The intake flows 247 and the exhaust 202 at .550 lift. intake to exhaust is 81% ratio at that lift. I know there is Hp in blowing the venturi out but. Is the cfm trade off from the 1.60 going to a smaller valve worth it ?

Need some expert opinions to weigh in : This is for a turbo charged v6 buick motor with after market aluminum heads fitted with 2 inch intake and 1.60 exhaust valves. The exhaust valve is a 29 degree tulip valve with current venturi size at 86% of valve size. There is not enough material to cut to g...

Please do. Thanks.

Looking for a used Super flow SF600 flow bench .