Originally Posted by hotrodharley
i have a customer that built his own bbc but couldn't get running right.bought it to me to get going before the weekend[has a car show this coming weekend]i found that the pushrods are to short due to he has a set of pro comp heads on it.read about them he they said they are thicker surface on them to handle superchargers and turbos so that is telling me they are taller then stock cast heads.does anyone on here have a set of these heads on there bbc and would know what length pushrods they had to go with?
What push rods they had to go with is moot. Push rods will be custom length for ANY engine, specific to that build. This is assuming you want proper push rod geometry.
http://www.compcams.com/information/Products/Pushrods/
There's a better article out there regarding setting the length. I'll see if I can dig it up.