Thread: The Ace Mechanic Again
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Old 10-10-2020, 08:03 PM   #17
40 Deluxe
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Join Date: May 2010
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Default Re: The Ace Mechanic Again
Quote:
Originally Posted by katy View Post
Wot's a 3/8 X 3/8 flathead?



One that's been bored to a cylinder diameter of 3 3/8" and stroked an extra 3/8" to 4 1/8", or as I heard long ago, "huge by large".
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