I'm not sure about the formulas,but it has to do with the cfm he will get from the heads on a flow bench and cylinder volume.He builds alot of quick V8 drag motors and I get the impression that the 261 is a new challenge for him, you know, getting sick of small block chevys. Anyway, this is how we're gonna come up with a cam design as,well. I'm not to the point of starting the intake, but I'll take pictures once i get going.Please keep the
opinions and whatnot coming.
Dustman...