Bowl Blending?
Thanks Bobby and Terry.
I was trying to form an answer in my head as to what the out come could be. But theres so many variables to the equation.
I have noticed, in general, if you build an engine that is going to have some power, the amount of HP can be increased well with ported heads to the tune of 2 HP per 1 cfm of air flow. You can exceed this easy. Or fall way short. But for typical street builds, thats about what the engine is capable of doing without over caming and large carbs where a smaller one will do etc....You know, pushing the limit(s). (*Headers should be used with such guessing thoughts on probabl projections on power and torque as well as a basic package that is, in general, optimized for performance engines, not sci/overscienced out.)
You can have a head flow tested at a shop that has such devices for this. In the Mags, they have a machine by the name "Super flow"
I stopped into BJRs for a chat (While on vaction) and he showed me a tons of stuff. (Actuallly, a tad more than I could consume in the head for the day)
He has such a machine for his use on head work.
The machine measures the amount of air flow when the valve is lifted of the head. You take note at certain lift points. Like .300, .400, .500 etc or more often.
The Desk Top Dyno has a section where you can input these numbers for a more acurate prediction of how the actual engine will perform.
This takes alot of guess work out. One head porter will do more/better work or not and these numbers can be used to determine if the head cam carb intake combo are a good playing band or just a bunch of noise makers.
One port job could just do well to .450 lift while the other one, thats said to have the same work done will flow well to and over .500 or even .530 lift. Does that mean ones crap and the others magic. No. Just level/amount of work done.
And thats just taking the skill side of it out of the picture.
Comp Cams took the time to design cams for use with exhaust manifolds. These should out perform the extreme series cams in such a case due to the longer exhaust durations.
lol this is why i love your answers! it is a blend of truth and humor all rolled into one statement!
Thanks. I am a big kid at heart and a clown when around kids. Family gatherings have all of them on my back wrestling and playing. I figure, if your not haveing a good time, your sleeping. So why not laff it up!?!?!?