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It's true, But you only have one chance to do what you want. You can get a new truck or fix the parts that break, when your gone your gone no second chance.
My F100 4x4 has had a 6" lift for about 12 years now and I haven't had any problems with things wearing out. As long as you get your angles right (steering / driveshaft & u-joint) you shouldn't have any problems. Also it handles better now with 35 x 12.50 Mud Terrains than when I drove it home from the dealer brand new!!!
The biggest problem is driveline angles and destroying u joints. Most lift companys already have this considered and usually if you get a whole kit it comes with all the parts to fix your driveline angles and steering angles. Ujoints are wearable items. Its only time before they go bad just with a lift they are known to go bad in less time. I hope this helped
Also, on an old truck such as this, some of the stuff might already be bad. This being said, it might exagerate some problems, but I have had a couple of lifted trucks, various models, and it wasn't THAT much of a problem. Like previously said, only steering and u-joints, and those may be bad anyway on an old truck.
Pay special attention to wheel bearings if you run a larger tire. More rotating weight and wider tires put more stress on the wheel bearings. This isn't to say they'll be burning up at an astronomical rate but you want to make sure they're in good shape to start with. If a lift is done properly and the truck is maintaned you shouldn't have any unusual problems with it.
Yes also a good point if you run larger tires check the bearings and ball joints every now and then. If the ball joints wear out and you dont take care of them that could lead to more expensive problems. Belive me i found out the hard way.
both upper ball joints have kicked the bucket so I got new upper and lower "moog" ball joints on the bench.
im looking at em here and reading the directions and i see a "adjusting sleeve" with the uppers. it screws into the diff side of the steering nuckle. its the taper shim sorta thing that the upper sits in. No spanner wrench i have ever scene will get the old one out and new one in.
Do I need to replace this ? or can i keep the old one in there?
both upper ball joints have kicked the bucket so I got new upper and lower "moog" ball joints on the bench.
im looking at em here and reading the directions and i see a "adjusting sleeve" with the uppers. it screws into the diff side of the steering nuckle. its the taper shim sorta thing that the upper sits in. No spanner wrench i have ever scene will get the old one out and new one in.
Do I need to replace this ? or can i keep the old one in there?
I don't know, man, my '74 highboy had wheel bearings in the rear that were closing in on 300K miles and still looked almost brand-new. The fronts too...
My highboy had 33" tires on it, but wasn't lifted because it didn't need to be.
However, I saw plenty of "normal" F250/F350's, with the SAME running gear, so the "lift" in my highboy didn't do anything to deteriorate anything quicker.
I say, lift it, but check all the suspension bushings, tie-rods, steering box, leaf-spring bushings, everything. And when you do lift it, make sure driveshaft angles are correct, or at least, get CV-joints (double u-joints) put on one end of each driveshaft, closest to the differential, that will get rid of any vibration (or is it supposed to be closest to the transfer case?)