That distributor is made by Proform, I think. I uses a standard GM HEI 4 pin module. It's located under the cap. Look also at the weights in the distributor. Make sure they move freely and that the springs aren't stretched out of shape. I think the plugs you've been using are designed for later heads. Made in the 70's. Not sure what year. Earlier heads use a plug with a gasket, such as the R45S.
__________________
frittering and wasting the hours in an off hand way....
1969 GTO, 455ci, 230/236 Pontiac Dude's "Butcher Special" Comp hyd roller cam with Crower HIPPO solid roller lifters, Q-jet, Edelbrock P4B-QJ, Doug's headers, ported 6X-8 (97cc) heads, TKO600, 3.73 geared Eaton Tru-Trac 8.5", hydroboost, rear disc brakes......and my greatest mechanical feat....a new heater core. 
|