Pure Stock Challange - Ohio May 2014

[Ed Wright]

Originally Posted by X-TECH MAN

How many tech guys really know HOW to check duration and overlap......LOL. Not only that but the tech specs on most newer cars do NOT even list duration and overlap specs or valve spring pressures.

Red Anderson made some slick tools for that. He was quite the machinist. He checked mine several times. Those Lunati and General Kinetics "cheater cams" we ran back then looked like the roller cams we run now: lobes were flat across the top. LOL

Take away the light pistons and we had present day "pure stock" engines, it sounds like.