New guy with M300 mini motorhome.

Handy little machine tip that gets the Allen mount bolts and their washers below grade so the carb butterflies will swing open, unobstructed.

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Clamped the adapter down to my drill press base, then did the machining with a flat 3/4" wood bit to cut the recess.

Simple enough, for those of us who don't have an end milling machine. Aluminum is easy to work.

☆☆☆☆☆