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SS427 · 05-05-2014, 07:08 PM

Thanks for the help and advise Alan. Are the 840 cylinder heads any good for the 396/375 combo since the rating drops to 390 hp?

05-05-2014, 07:08 PM	#4
SS427 Junior Member Join Date: Sep 2012 Posts: 14 Likes: 1 Liked 0 Times in 0 Posts	Re: 1969 Super Stock Camaro BBC Combos Thanks for the help and advise Alan. Are the 840 cylinder heads any good for the 396/375 combo since the rating drops to 390 hp?