The fact that someone went through the ports to clean them up can detract from the price you can sell them for, or add to it!
As for me I would want to see flow test results before I buy such heads to determine if flow numbers have gone up or down from stock.
If they have gone down them more porting work may beable to turn things around, but then that's just a added cost to whoever may have interest in them, and inturn that's less money for you.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs!
And he was not talking about 1/8 or 1/4 mile ETs!
1) 1940s 100% silver 4 cup tea server set.
Two dry rotted 14 x 10 Micky Thompson slicks.
1) un-mailed in gift coupon from a 1972 box of corn flakes.
Two pairs of brown leather flip flops, never seen more then 2 mph.
Education is what your left with once you forget things!
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