what block
The best way is to look for the hatch marks on the block. Have a look at the picture in this thread.
https://www.scoobynet.com/scoobynet-...-red-tops.html
https://www.scoobynet.com/scoobynet-...-red-tops.html
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bluebullet29
General Technical
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Oct 5, 2015 02:17 PM



