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The two best things you can do is check the oil pressure and do a compression check. These two tests can be done by anyone with two inexpensive gauges and will tell you more about the fitnes of the engine that any other tests.
yep, that's good advice from ken. It can be a little work to do the compression test on this motor though (if it's a 5.4L because the plugs are hard to get at.
I have a F150 "company car" that has over 185,000 trouble free miles as well as a Expedition (though with 'only 32,000) both of which are '99s and have the 5.4L V-8 . . . good motors
For a 1997 302 motor with 85,000 miles, what would you expect compression to be at? and what level would you consider as a problem? (I'm looking at a 97 Supercab, F150, 302 motor, 5 speed trans, 4x4.) And any special tricks to evaluating the 4 wheel drive?
Don't mean to be a pain int he butt, but they stopped putting the 302's in trucks in 96 so I would check to see what engine your really have. They changed the body style of the F150's in 97 as well. You either have a 4.6L V8 or a 5.4L V8, I hope this helps.
Actually I thought that an engine could be referred to in either cubic inches or liters and still the same motor. Like a 4.6 liter might be a 302 cubic inch. Or a 5.4 might be a 351 cubic inch? Anyone familar with that?
>Actually I thought that an engine could be referred to in
>either cubic inches or liters and still the same motor.
>Like a 4.6 liter might be a 302 cubic inch. Or a 5.4 might
>be a 351 cubic inch? Anyone familar with that?
You're right, but 4.6 liters doesn't equal 302 cubic inches.
4.9 = 300
5.0 = 302
5.8 = 351
7.5 = 460
Those are the more popular truck motors (the older ones, anyway). I've never seen the newer motors (4.2, 4.6, & 5.4) referred to in cubic inches.
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