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Re: Special Economy Truck?
My old 83 305 could hit 18.5 with a nonlocking converter at 70 MPH. So yea, 20+ was possible @ 55 MPH. My ZZ4 hits 18.5 at 70 MPH. At 65, it goes up some. Not sure how much, but I can see the fuel gauge move slower. At 55-60 MPH, I could probably hit a little higher. Problem is I can't drive 55 MPH!! A diesel at 55 MPH, could make them numbers.
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