Not entirely. Coleman fuel has reformulated over the years and a 5:1 CR engine doesn't need a heck of a lot of octane to run - particularly under no load.. The same engine ran well on the old "white gas" and runs well on today's motor fuel.
White gas?
Jan 06, 2009
22 Replies
Guys in the lantern group also said Jet A works well in the Petromax lanterns. No distinction was made about their winter blend though. The Petromax lanterns are a little hard to get going in cold weather and I did an experiment a couple of years ago where I mixed about 10% Coleman fuel with the kerosene. It made the lanterns easier to light, particularly the rapid heater in freezing weather. A higher percentage of Coleman fuel probably wouldn't hurt anything. You can actually burn gasoline in the Petromax lanterns, but it's not recommended because of undetected leaks leading to explosions - pretty uncommon, but reported.
RWL
Model "A"'s and most lo compression engines---also lanterns, blowtorches, etc---the cheapest straight run gas from the refineries... Then came "Bronze"--a little higher octane and price Next came "Ethyl"? A rich red color, higher octane & price. The Ethyl? name was short for tetra-ethyl-lead and the manufacturer of the compound got a trademark on it .
The additives in todays "NO-Lead" gas or AVGAS--which is 100 octane, and has a lot of TEL in it.It will foul gas generators in lanterns, heaters etc,
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