Porting 596 Heads

Oh d
RAMM said
Where it is marked "Grind " in red--I would caution that there is water under the "Huber hump". You cant square that S.S. area up that much. Ask me how I know. J.Rob
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Oh damn! I’ve already started attacking the “Humber Hump”. Best I stop now then. I must be close to 3/8”.

Ok, why can’t you square the SS area that much?:P