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Old 12-17-2018, 12:41 PM   #4
Biggd
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Join Date: Nov 2016
Location: Waltham Ma./Meredith NH
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My service book says 105,000 miles and gives 3 hours labor. I would do it by then. You're pushing it if you let it go too long. If it breaks on the highway you can damage the engine due to valve float.
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