What does Edelbrock have to say? From the specs they look to be an excellent head for a race application with less than 500 cubes. Looks to me like they will work, but will want some rpm as torque peak may come in about 4800 rpm.

Last edited by gregsdart; 11/17/11 06:43 AM.
8.582, 160.18 mph best, 2905 lbs 549, indy 572-13, alky