Bob: It was not my intention to claim they the same, nor did I even take time to do the math as you have. There is another factor, and I'm not even going attempt this one. You folks have a lot more toll roads than we have, at least I've come across more miles of toll road state side than here in Canada. How much that will impact the formula, I can't say. On quality, back in the early 80 my 79 Oldsmobile 403, 4 barrel would do 2 miles per imperial gallon better on New England gas than than eastern Canadian gas. My current Buick Lesabre is about the same either side of the border. today I'm burning SW Ontario and Mid west US gas. Do you know what burns me, the auto industry makes all kinds of claims about efficiency, yet my dad's 57 Chevy 6 cylinder got precisely the same fuel milage as my 6 cylinder Buick, and I'll bet there was not 200# difference in the two cars. In 1975 and my neighbor did these figures and both were imperial gallons. My Delta 88, 455, 4 barrel 22.9 mpg his Chevelle 305, 2 barrel 18.6 mpg. My brother bought a Chevelle about the same time, claimed he could get 23 if he spent $50. for a tume up every 2 months. My 74 and 79 Oldsmobiles were never back to the dealer for anything, warrenty or otherwise. You talk with folks buying new vehicles today, and it's run, run ,run to the dealers. Progress be damned.
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