Wondering if you guys have suggestions on header tube diameter, merge collectors, and stepping them once or twice? The applications would be a small (under 330 c.i.) super stock modified type of engine. Thanks for your help.
Wondering if you guys have suggestions on header tube diameter, merge collectors, and stepping them once or twice? The applications would be a small (under 330 c.i.) super stock modified type of engine. Thanks for your help.
