I agree. Anything you can do to allow more air in is a good start. Just like computers, the bottlenecks kill ya. Chris At 03:50 PM 10/01/2003 -0700, Mike Potter wrote: >All I can say is HEADWORK....HEADWORK.......HEADWORK! Do a Port & polish & >it will come alive. My 1780 RD motor with a 276 cam does 112 to the >wheels....has plenty of headwork done.