Big Valves and porting?

[BRENT in 10-uh-C]

Originally Posted by GeneBob

Brent, I was hoping this thread would peak your interest and thank you for adding some information. I am not trying to flow an engine for Bonneville, just looking for where the typical Model A port issues are to look for some improvement. I suspect there are some places to look at in the ports that are common problem areas.

Thank you. Gaining efficiency is like cooking, and everyone has their own recipe. The closest engine to the Model-A that has seen extensive R&D done is the 5 horse Briggs & Stratton engine used in both drag racing and tractor pulling. You might also follow that ‘circle’ to learn some tricks.