by Jack O'Conner on Aug 25, 2002 Vehicle: 1991 Ford E-150
My E-150 is a conversion van. This is
the 3rd E-150 I've owned since 1987.
All feature the 4.9 liter in-line six
cylinder engine. Put in a K & N
performance air filter and she will run
better on long steep hills.
Expect 16 mpg which is about right for
a heavy commercial vehicle like this.
The tranny will fail at about 140K
miles but used ones are easily found
that can be installed for less than
$700. I've NEVER worn out a Ford 4.9
liter engine. They still run strong at
the 200K mile mark! But I add a pint of
RESTORE at every oil change.
Speaking of oil, I like Valvoline 10W-
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