I gotta tell ya, didn't think there was that much interest. Haven't run a profile-program yet to find ideal collector lengths for these, been hustlin' up random cam specs and other info for the guy that's gonna run the program.
Thought about just selling 'em as-is and leave the rocket science to the customer. It's not like any of the current header companies state any facts about why theirs is designed/built the particular way they are so what da heck.
350 without downpipes?
like Johnny 5 sez: input, need input!
'bird