[Diokaef]

Originally Posted by The__J__Factor

Good info on header design
http://www.popularhotrodding.com/tec...ech/index.html

Free header design software - In put all info about our engine and what end results you want, peak power ect and it will provide info on how large prim/sec should be, lengths and collector size. register is free.
http://headerdesign.com/login/header.asp

personally I like that site, good info there,

The manufacture that will be doing this headers have their own software for that same purpose, so this will be analyzed prior of building and the objective is to fix some of the imperfections of the OEM USA headers that are too short.


(I wish my english was a little better when come to explain facts and stuff like this)