Wouldn't putting sand or sugar in the fuel be a wast of time? I would think the two fuel filters would make short work of it. Mythbusters also busted the sugar myth, I think. I'm pretty sure the filters just pick it up.

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1969 280SE
2027 Ram 1500
2026 Genesis GV70
2007 Tiara 3200
1988 Egg Harbor 37
1981 Boston Whaler 17