My 572 has dished pistons and a .060 thick head gasket for nitrous but if I ran it NA I could get away with cheaper racing gas. When I had my Indy tunnel ram for sale a guy from APD carbs wanted it so they built me a billet 1250 and I gave him the tunnel ram and some cash. (Black carb). Then I told my buddy I may just run my 572 NA on alcohol so I sent him one of my 1150’s from the tunnel ram and he converted it to alcohol. So I’m ready either way.
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