Re: 49-53 mercury flathead oil pump help
A little trick I incorporate in all my builds is to drill and tap between cam and gear and fit a grubscrew as a 'scotch key'. Actually, because I exclusively use press on type timing gear/ early cams, I do the same each end. The fitting of scotch keys, prevents any radial or longititudinal movement of gears on shafts.
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Last edited by Brian; 12-29-2014 at 06:23 PM.
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