Personally, what I would do is run the tank as low as I could, then fill a 1/4 tank at the closest place I could. Fill a jerry can with premium while you're there. Return home, and re-tune the car. Then take it out, and see what it's like. If it acts up, the addition of the jerry can of premium should get you to where you can top the tank off with straight gasoline. You might have some issues with that tank of fuel (if you ultimately have to throw in the gasoline), but once it's burned off, you can go back to regular gasoline. That's just me. When I tried the E85, I was sitting on empty, but had 2 large jerry cans of E10 in the trunk. I figured if worse came to worst, I could add them one at a time as I burned off the E85, and keep going. As it turned out, I didn't need to. Also, I only ran that one tank, and that was at night with cooler temps. I didn't do any adjustments to the tuning of the engine. If it matters, it was a 225 slant, with 100,000+ mile son the clock. So not sure that it's all that scientific, I was just sharing my one experience is all. Keep us updated on the results, I'm always interested in other's experiences.... - Ray -----Original Message----- Thanks Ray. This is all very interesting to me; I've often wondered about E-85. Here on Long Island it can be 15 cents cheaper than regular and I usually get Premium. When I upgraded my 63 Polara with a 383 from a two barrel to a four barrel, I dropped the tank and cleaned and coated it with the Eastwood epoxy kit, replaced the whole 5/16 fuel line with 3/8 (because I could), replaced the fuel pump, manifold and carb with a rebuilt 65 Carter AFB. From what you're saying, it sounds like I'd be in good shape to give the E-85 a shot and see what happens. - Jim Jim Altemose, Long Island, NY '63 Polara 500 (Max Wedge) '63 Polara 500 (383) '65 Belvedere I (Street Wedge) '71 Bronco up/1962to1965mopars?hl=en. -- -- Please address private mail -- mail of interest to only one person -- directly to that person. That is, send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. -- You received this message because you are subscribed to the Google Groups "The 1962 to 1965 Mopar Mail List Clubhouse" group. http://groups.google.com/group/1962to1965mopars?hl=en.