Originally Posted By DaveRS23
Why does Holley still say to use a power valve half the idle vacuum and recommend CFM be based on that old equation?

Shouldn't both be updated? Or better yet, be eliminated all together. I'm not sure either one was ever accurate. But we sure know better than to use them today.

Bring the ozbbq on!
they're trying to make their product idiot proof. dumbing people down seems to be the American way anymore.