Looks like I only got 13 to 14 towing at between 65 and 70. I expected better than that but there also was headwinds so that probably hurt it. It towed beautifully and was not much affected by the wind.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.