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Old 06-21-2011, 09:51 PM   #6 (permalink)
Cardinal Grammeter
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Join Date: Jun 2011
Location: PA
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TLC - '91 Geo Metro
90 day: 31.07 mpg (US)
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Haven't found those references yet...

But I did have a 1988 Olds Delta 88 with a 3800 and its best on the Turnpike from Pittsburgh to NJ was about 27 mpg. Around town was about 15 mpg.

How did the "mystery 3.8" do 27 city (as taxi) and the Grand National do 44 hyw on the way to the strip for the magazine article?

While I know for a fact that most 3.8's do 15-17 city, I'm guessing GN's do not typically do 44 hwy. If all variants did this, these would have been the most popular cars ever built. The fact that most people have never experienced this MPG performance suggests these variants were a very small percentage of all the 3.8's that were sold.

Some taxi business owner somewhere probably knows all about this. But if you think about it, you'd be a fool to tell anyone how to identify these engines since back in those days, these cars made a lot of profit for taxi companies. I was just hoping that they've been gone for so long, maybe someone will spill the beans...
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