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To: Chispas who wrote (33710)	7/15/2005 7:53:09 PM
From: Chispas	Respond to of 116555

There was a option for the '55 Chevrolet.... Standard was a 265 predessor to the 283.... Who would have known, the 265 V-8 could scream... GM now doesn't know anythng about their "sucesses" Ran those Power-pack heads, anyone still have them?

To: Chispas who wrote (33710)	7/15/2005 8:26:11 PM
From: Elroy Jetson	Read Replies (2) \| Respond to of 116555

If the addition of acetone to gasoline could practically increase gasoline mileage it would be a major marketing advantage for a gasoline manufacturer to make the addition and advertise the superior mileage provided by their product. Acetone is produced and sold by most major oil refiners. Clean engines use less gasoline and run cleaner. Many engine cleaners use acetone: Champion Carburetor Cleaner Auto products aerosol Gumout Air Intake and Throttle Body Cleaner Gumout Tune Up Spray Auto products pump spray STP Carburetor Spray Cleaner Trouble Free Choke and Carb Cleaner Valvoline Carburetor And Choke Cleaner Chevron's well regarded detergent, Techron, improves mileage and reduces emissions. It contains solvent ingredients other than acetone: 1,2,4-Trimethylbenzene Cumene Xylene Stoddard solvent Solvent naphtha householdproducts.nlm.nih.gov There are many popular theories that acetone also helps vaporize fuel, even the flame front, or even act as an electron donor during combustion. These possibilities should be balanced with the potential of acetone to corrode non-metals parts in the fuel system. It would be interesting to see a comparison between Acetone and Techron. .

To: Chispas who wrote (33710)	7/16/2005 2:27:29 PM
From: Lee Lichterman III	Read Replies (1) \| Respond to of 116555

>>acetone has made my Chevy like a miser<< I don't know about that low a dilution but acetone WILL eat rubber and plastic. I restore old cars as a hobby and use acetone a lot for cleaning and have seen what happens when you accidently get it on plastic or rubber. It isn't obvious as it will look the same but it will become brittle and break easily. Since you are only using 2 oz per 10 gallons, it "may" be OK but I would pay attention to the gaskets in your fuel system and if you have the plastic fuel lines they went to in from the 80s on, I would pay close attention to them as well. What is the theory on why it helps your MPG? In cleaning, it just releases the petrolium and vaporizes it so I have a clean surface to paint, weld to etc. I also use it to clean brakes after I have run them through a parts cleaner to get the oily residue off. It seems like adding it to gasoline would release the lubricants added designed to lube your upper cylinders. May not be good in the long run. Good Luck, Lee