Quote:
Originally Posted by chumly
I just acquired a Buick Park Avenue Ultra with supercharger. So far I've been averaging 26 mpg according to the factory readout. At times the instant readout has been a lot higher so I think I can do better but it's VERY tempting to use the supercharger once in a while.
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Drove my Dads park avenue supercharged from MI to FLA. Just taped the upper grill with Blue tape and tire pressure to 42psi, got 31.6 mpg for the trip. Was hoping to get 30 so I was pleasantly surprised. target highway speed, 70mph.