It happens to be matched to a 1262r. Un-matched it's a little small!Dumb question here guys but, how close to a 1262r intake gasket are the ports on this intake?
I use a 2924 Super Victor now that has been port matched to a pair of AFR 225's. I'm thinking of making the switch to a 2828 for next years combination.
Thanks for your input.
I base it off intended RPM and engine size. However with stock type manifolds and without a welder, you stuck in some compromises. The transition is the key and most important, IMO.Chad,
I have a question regarding porting an Intake. Obviously you want to match with gasket /same or smaller than head port. How about the plenum such as this, do you have to have the heads at time of this plenum work. Seems as the transition to the runners is more from experience.....Tim
This says it well.Chad, why is it important to reduce the airspeed? What happens when a head is too fast?
Chad,This says it well.
As the port moves more air, the velocity goes up; eventually getting so fast it blows the shortside turn and separates. When that happens, the port will typically stall, flowing no more or even less air no matter how much further the valve is opened. How much air will get through before the shortside separates and the port stalls will depend on the shape of this critical part of the port.