Quick picture.. only run for 200 miles.. Builders are getting 525HP out of 11:1CR builds with a solid roller cam in the 250-260 degree @ .050 range.. 347CI @ 6800rpm with these heads.. hope to end up with a solid 450HP/10:1CR and reliable all day long.. on pump gas..
Post was last edited on Apr 21, 2016 07:57. Edited 2
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