wondering if anyone has done or know of any dyno or on track comparisons of the 1-7/8 verses 2 inch primary tube stage 1 headers at different hp and rpm levels possibly throwing in different vehical weights.i think it would be some interesting info for all our members.
I'd like to see the same comparisons too, but it's not likely that any of the serious engine builders are going to do a back-to-back comparison with the tube size being the only variable. The problem is that the vast majority of us like to change more than one thing at a time, which is a no-no as far as reporting back as to what worked & what did not. I've got a narrow experience with Buick headers, I'd like to hear more input too. Devon
