Yes. Exhaust side is a very small restriction. Intake is almost perfect. I also fitted bigger valves and machined the seats to fit the bigger valves. Torue ove the whole rpm-band increased signifincantly.
Yes. Exhaust side is a very small restriction. Intake is almost perfect. I also fitted bigger valves and machined the seats to fit the bigger valves. Torue ove the whole rpm-band increased signifincantly.