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Jim Hanig · 09-06-2012, 08:39 PM

Mark a good set of lt1 stock heads at 200 ss are9 cfm better 300 +6 400+17 500+35 never flowed the stockers any higher .your likey to lose 40 hp or more. But that my guess,no data to back it up. Jim Hanig

09-06-2012, 08:39 PM	#3
Jim Hanig Senior Member Join Date: Aug 2006 Location: Pukwana SD Posts: 860 Likes: 554 Liked 99 Times in 49 Posts	Re: SS vs "Stock" heads Mark a good set of lt1 stock heads at 200 ss are9 cfm better 300 +6 400+17 500+35 never flowed the stockers any higher .your likey to lose 40 hp or more. But that my guess,no data to back it up. Jim Hanig