There used to be LOTS of 427 side-oiler blocks in crab boats here in Maryland. The person that gets to the the crabbing waters gets the catch. They use a water to water cooling system, I.E. the salt water flows over the radiator which is submerged in a tank. The radiator contains a standard 50/50 mix of water/antifreeze. However, as the fleet diminished through the years, the Cobra kit car folks found about them and snatched them up. Still, you can occasionally find one or two in the papers.....
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