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D2 D4 poney motor spark plug gap

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11 months 4 days ago #253246 by d4angelo
I run Champion 516 D16 spark plugs on both of my pony motors. Does anyone know the proper gap for these plugs? Thanks, Angelo

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11 months 4 days ago #253248 by D4Jim
.025 inches

ACMOC Member 27 years
D47U 1950 #10164
Cat 112 1949 #3U1457
Cat 40 Scraper #1W-5494

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11 months 4 days ago - 11 months 4 days ago #253251 by trainzkid88
25 to 30 thou is common for most of these old engines rough guide is the back of a broken hacksaw blade which when specially ground makes a great plug cleaning tool
Last edit: 11 months 4 days ago by trainzkid88.

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11 months 4 days ago #253258 by d4angelo
Thanks to all who replied

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