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Old 02-28-2014, 07:24 PM
fomeister fomeister is offline
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Join Date: Jan 2006
Location: Lexington, KY
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Ok, I just read this entire thread found by searching for the "F" marking on a cylinder on my 3" 66. So I'm pretty sure the F isn't specific to 624. Anyone have any idea what that means? Also I. The A serial prefix range.
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