Originally Posted by polyspheric
Far too many cam explanations leave out 2 factors (1 big, one small):
1. combustion chamber design (shape, volume, stem angle); wedge cam and hemi cam = chalk & cheese
2. rod ratio


If a hemi and wedge somehow ended up with identical flow numbers (hypothetically obviously), compression, displacement... how would you change cam specs based on the chamber and valve arrangement?

What change would you do to a cam if everything was identical but one had much shorter rod stroke ratio?

I am not causing global warming, I am just trying to hold off a impending Ice Age!