The ol' Don D. rule of thumb leans toward a 650 "...a 318 needs 318 X 2 which is 636 cfm so a 650 would be perfect for a screamer and a 600 for a grunter (truck, etc.)" ...
Thanks,
Gary H.
> -------Original Message-------
> From: Jason
> I agree but would get a 600 cfm. Mine has an 800 cfm unit and manifolds
> with dual exhaust and eats the entire thing at 1500 rpm or higher Joey has
> driven it !! Sounds crazy but it works!!
>
On Jan 13, 2014, at 5:39 PM, "Cory
>
>
> If you want reliability stay away from Holley. I personally would get a
> smaller Edelbrock, say 500 cfm if you're keeping it a stock 318.