OK, at the US Nationals , In Stock and Super Stock, they run the 128 cars which run the farthest under their index, during qualifying. All the Pontiac powered Stockers but 1, made it into the show.

http://www.dragracecentral.com/DRCStory.asp?ID=304388&Filter=30#indextop

They also have class elims at this race. Michael Brand won the G/SA class trophy, with his '73 455 Formula.

http://www.dragracecentral.com/DRCStory.asp?ID=304393&Filter=30#indextop

In Super Stock, all the Pontiac powered cars made the show. Bill Rink won the SS/LA class, with his little 350 powered '74 GTO. And Robert Cruzen won the GT/AA class with his little alum headed 428 Pontiac powered Chevy.

http://www.dragracecentral.com/DRCStory.asp?ID=304405&NewHash=NHRA-SUMMIT#indextop

http://www.dragracecentral.com/DRCStory.asp?ID=304402&NewHash=NHRA-SUMMIT#indextop

http://www.dragracecentral.com/DRCStory.asp?ID=304406&NewHash=NHRA-SUMMIT#indextop