They use jet engines on a trailer to dry the race track at MIS after a rain. Might be overkill for your driveway though. You can buy a flame thrower/torch that attaches to a portable propane tank. Used when laying asphalt and not sure what else. Try Harbor Freight or Northern Tool.
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Hank
70 Chevelle SS396(454), M20, 3.73
My Chevelle
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