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Old 04-01-2020, 06:22 PM   #6
rotorwrench
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Join Date: Jun 2010
Location: San Antonio, Texas
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Default Re: flathead mercury EAC engine info needed

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It could be a diamond in the rough or it could be a boat anchor. The prices listed previously are in the ball park for stuff that still needs a trip to the machine shop. A block that has some meat left on the cylinder walls and no cracks (will pass a pressure test) is worth a good bit. All 8BA blocks are basically the same and interchangeable. A crank that is 4-inch stroke with usable journals is also worth a good bit but it takes a lot of work to find out if one of these old hunks of cast iron is good. Tearing one down takes some special tooling to do it within a day. Rusted cylinders with stuck pistons can take a lot more time. Just getting the valves out can be a real chore on a crusty one.
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