archer wrote:
Would larger diameter tires on a 123 improve diesel fuel mileage?
NO! Where did you get that idea?
Marshall
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The engine turns a fewer number of revolutions per mile traveled when the
circumference of the tire is greater, doesn't it? Some automobiles;
depending on a number of factors; burn less fuel per mile as a result.
My brother-in-law put larger tires on his Studebaker pickup years ago and
got an additional 4.xx miles-per-gallon. I put larger rims and tires on my
'67 200D and got better mpg on the highway. The originals were 13" and the
replacements were 14" IIRC.
Gerry
