Hot Rods Who's got a Thumpur Cam?

I used the Speedway 915-112424 - 112, .465 / .465 etc in the .030 350 in my 54 F250. The Quadrajet needs a little tuning, but the Performer manifold looks good. With KB flat tops, 1.94/1.50 valves in rebuilt stock 76cc heads, it runs great. Due to clearance issues withe the steering box I had to run stock exhaust manifolds with a 2 1/4" 2 into one exhaust and a flowmaster.


I does a wicked burnout, and the idle is actually very good.


I want the smallest Thumpr for a marine 305 for my coupe project.

 

I'm runing one in an older 302. I like it a lot. Performs well.

dka

 

PM "Judd" on the HAMB he has one in the Comet!

 

Uhh............what?

 

The thumper is going in tomorrow. I think a new manifold is in order. Any suggestions on that? I have to stay with a dual plane, can a high rise manifold serve better with this cam?