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The "E17" mark should be 4 characters, such as "8E17".
"352" appears on all blocks up to a certain point after 1971.
It looks like someone put aluminum heads on it, so it could be reworked into something quite different than what it was originally.
Try the wire down the plug trick as described above in the FAQ.
Am I missing another casting number somewhere? My friends father built this motor and passed away from a jeep rollover shortly after. I'm trying to help them i.d. some parts.
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