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Old 10-12-2010, 11:24 PM   #1 (permalink)
IsaacCarlson
eco....something or other
 
Join Date: Jul 2009
Location: Colfax, WI
Posts: 719

wood hauler - '91 Ford F-250
Team Pontiac
90 day: 18.97 mpg (US)

Rav - '06 Toyota Rav4 Base
90 day: 26.52 mpg (US)
Thanks: 39
Thanked 61 Times in 46 Posts
Why are there two different I-6 motors listed

for the f-series trucks? I was looking at some info on the 1991 f-150 and it listed 150HP and 145 HP under engines.....anybody know why? Is one for towing? Maybe more torque?

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1991 F-250:
4.9L, Mazda 5 speed, 4.10 10.25" rear
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