Flathead Fords - I love 'em, but 400Hp is not cheap. Guys used to circle track 'cross fire' (180 degree crank). They used to make a lot of Hp - usuall for a short time before the grenade went off!! This is a real nice website to spend some time with:

http://www.midstateantiquestockcarcl...at_heads5.html.

These are tracks that I used to haunt years ago. Dave S - you should enjoy looking at these articles