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What kind of heads are these - 49 Merc flathead?
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09-14-2019, 08:36 AM
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sidevalve8ba
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Join Date: May 2013
Location: Harrisonburg, VA
Posts: 842
Re: What kind of heads are these - 49 Merc flathead?
Looks to me like for whatever reason the road draft tube hole is blocked off in the intake manifold. Perhaps with a freeze plug?
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