1 1hotboss Well-known member Joined Jun 12, 2015 Messages 55 Reaction score 1 Location Canada My Car 1970 Boss 302 Oct 8, 2016 #2 What size primaries should I use on 1.71" exhaust valves....1 3/4 or 2 Thanks
T TommyK Well-known member 7173 Mustang Supporter Member Joined Sep 19, 2010 Messages 1,693 Reaction score 73 Location CT My Car 73 Mustang Convertible Oct 9, 2016 #3 What size primaries should I use on 1.71" exhaust valves....1 3/4 or 2 Thanks Click to expand... I am no expert but I think more info would be needed in order to make an informed recommendation. Displacement? Max HP and rpm? Peak torque rpm? Intended usage? There have been books written on this subject.
What size primaries should I use on 1.71" exhaust valves....1 3/4 or 2 Thanks Click to expand... I am no expert but I think more info would be needed in order to make an informed recommendation. Displacement? Max HP and rpm? Peak torque rpm? Intended usage? There have been books written on this subject.