Originally Posted by fastmark
So I have another question. Who is casting all of the top fuel blocks? Are they billet now? I know they are solid so that may make the difference. But if everyone is having casting problems with their blocks, who is making anything correctly? Who’s making Chevy blocks? You don’t here of them having problems. I guess the people that are doing it correctly, have all the work and the rest just beg for the scraps.


Nitro, Top Alcohol, Pro Mod, etc are all billet now. AJPE, BAE, DSM, JFR, CN, et.al,

Cast iron Chevy, Ford and others seem to be easy or at least reasonable availability.

If the results don't match the theory, change the theory.