Ported Slant 6 head

I bet you a dollar you'll have to run premium fuel and may have detonation under heavy load when it's hot out. Not me, brother. I ain't millin sheeot. 9:1 is just fine with me.....I don't care if it's 8.7. lol


9:1 would give you the very practical option of forced induction, down the road, should you ever decide you wanted to go REAL fast...