How about 500+ HP on a natuarally aspirated 301 GMC with a 12 port head? It's been done and in a dragster ran an 7.97 @168.

Veeerrrry cool. cool


1953 Chevy 5-window 3100
In the Stovebolt Gallery
More pix on Picturetrail

Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain