New CNC machined heart shaped chambers with improved spark plug location for Edelbrock heads.
http://www.sdperformance.com/viewPro...p?productID=38
http://www.sdperformance.com/listPro...?categoryID=25
SD Performance has more 5 Axis CNC Porting and Combustion Chamber Programs for Pontiac heads then anyone and we are constantly working on more and improving existing programs in our never ending search for more pure Pontiac power. If you already have a set of Edelbrock heads we can apply all our packages or just porting to your existing heads as well, drop us a line for more details.
( As typical this post does not represent any endorsement by me personally. And unless specified it is not based on personal experience and is offered for general interest only)
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'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE