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Yes, looking at the design, they were clearly heating the crankcase and pulling the volitiles into the carb intake.
Very Clever.
The new owner probably just dumped the old oil. An analysis might have revealed the secret ingredient.
What was it? How long was the race? Did the car only have to run a couple of miles? Would something like kerosene or Naphtha provide enough short-term lubrication for the engine not to seize yet also have enough volitiles to burn? Did they run regular oil but add something like alcohol to the crankase?
I just wanted to show that it is theoretically possible to get crazy gas mileage without a "gimmick" as long as you go real slow and reduce friction to a minimum.
I heard somewhere that Smokey Yunick helped prep the car (could be a rumor) but he would definately have the creativity to come up with a gag like that. When nascar limited fuel tank size he installed about 40' of 2" fuel hose -giving him at least another 5 gallons. - They hadn't thought to limit fuel line size.
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