My dad took the heads down to the guy who did our dyno runs so he could take a look at them and the pictures of our piston damage. He didn’t seem too concerned and recommended we resurface the heads and clean the high spots off the the piston.
He put the heads on the resurfacer and used a dial indicator to check for flatness.
They were off about 0.0015″ across the whole surface, so he reset the surfacer only to mill off the high spots. This removed about 90% of the damage from the heads. I’ll post a picture when I get them back.
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