To start with HELLO to all members im new here and I hope to learn and help as much as I can.
Next I bought a set of Pontiac heads for $20.00 dollars never touched with casting number 15 and a number of AO98 what im trying to find out is what year these heads are from and what H.P. they can produce according to
www.wallaceracing.com and what block to use 455 or 400 when using today's gas what I want to do is built a motor like I had in my 1970 GTO from High School for when I find the body I want I will be ready or that much ahead. Thanks! 1970GTOs