Has anyone successfully put f250 torsion bars on an f150? Did you have any problems? Any major modifications?

 

A few people have. If you have a Supercrew, you will have to unbolt the crossmember and move it back because they use shorter bars than the regular and Supercab trucks. This would be a good mod if you have a heavy bumper/winch or snowplow.

 

Wandell I bought new torion bars for my 97 F150 4x4. I removed the old ones and I didn't mark anything. Is there a rule to follow when mounting the new ones? Maybe the a arm should be raise and insert the torsion bar. I never thought about this when I removed them not thinking the a arms can be raised or lowered when inserting them which will have a major impact on whether there is any spring/support.

 

I really don't know. I'd assume you would want the front suspension at full droop (fully extended).

 

You need to lift the wheels off the ground so that they hang. This releases the stress on the bar and makes removal of the adjuster easier. Expect the bar to be stuck on the lower control arm and the adjuster. Lots of penetrating oil is needed if it is stuck along with BFH or a torch. Don't heat the bar but the adjuster or the arm. If you heat the bar you will destroy it. I remove my adjusters regularly when I install a new tranny or clutch. But that is another story.

JMC

 

They can't hang more freely than they are now!! The adjusters are off. The torsion bars are off. The a-arms are off. I have no reference to where the a-arms should hang when I slide the new torsion bars in.

 

It isn't that critical. Put the heavier bars on, run the adjusters in until there's a bit of preload on the torsion keys, and set it on the ground. You may need to fine tune it from there. With the front end in the air, there should still be some preload on them, otherwise they would fall out.

-Joe