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Jesse Knapp · 06-03-2009, 09:24 PM

How competitive is this engine today? Looking at both the 250 hp. and 290hp. SD.in a Firebird. It's natural classes can be E, F, G, and H. Used to run in I yrs. ago. Wondering how quick it can be today with the good stuff. Appreciate any help.

06-03-2009, 09:24 PM	#1
Jesse Knapp Member Join Date: Jan 2002 Posts: 109 Likes: 0 Liked 0 Times in 0 Posts	1974 Pontiac 455 (stock eliminator) How competitive is this engine today? Looking at both the 250 hp. and 290hp. SD.in a Firebird. It's natural classes can be E, F, G, and H. Used to run in I yrs. ago. Wondering how quick it can be today with the good stuff. Appreciate any help. __________________ Jesse Knapp 4899 STK, SS