I ran one for years on my 383 GTS and it performed MUCH better even with the stock exhaust manifolds. I ground off the Edelbrock and DP4B designations but left the casting number and painted it to look stock...

Last edited by Rhinodart; 07/22/12 11:54 AM.

The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.

JB Rhinehart, Realist

A-Body's RULE!