RE ethanol: Over time it will swell neoprene hoses and other plastic parts. When I drove a tanker we had no end of problems with hose gaskets when hauling ethanol. I always carried a complete spare set. Leaking 4-inch hoses are not fun.
1951 3800 1-ton "Earning its keep from the get-go" In the DITY Gallery 1962 261 (w/cam, Fenton headers, 2 carbs, MSD ign.), SM420 & Brown-Lipe 6231A 3spd aux. trans, stock axles & brakes. Owned since 1971.