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Joe DeMarzo · 09-19-2009, 05:33 PM

Last year I had a 70 nova 402/375 steel head and its natural class was B/SA. Could only run A/Sa to C/SA. I do believe with the aluminum head it can get into AA/sa.

09-19-2009, 05:33 PM	#2
Joe DeMarzo Senior Member Join Date: Oct 2002 Location: Mahopac, NY Posts: 666 Likes: 48 Liked 113 Times in 9 Posts	Re: Is this true? Last year I had a 70 nova 402/375 steel head and its natural class was B/SA. Could only run A/Sa to C/SA. I do believe with the aluminum head it can get into AA/sa. __________________ Joe DeMarzo 1317 STK