Head tubing report. 80 grit flex hone report

pittsburghracer said

It wouldn’t save me time and it’s a low labor job. Just would have liked to cut the time some. It’s something I really should charge for especially with the cost of the 3 sticks of brass now. I just try to keep my costs down then I get pissed at myself for putting to much time in them.

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That always happens when You care about what You do, been feelin' that way most of My life..
If You're cutting back on the heads, it probably won't be worth fabbing a drill-guide fixture that bolts to the head, but that'd let You rough them in & move hole to hole relatively quickly. Then touch them up w/the hone. I made a temporary one for the Olds head above, but will have to do a couple of permanent ones for the real deal heads.
P.S. Agree with sand roll relieving the top close to the amount to be removed, it will help mitigate the "push" towards the unsupported side, & the tight section.