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Can someone explain to me what exactly is axle warp, what causes it and how to tell if it's happened to your axle? I keep reading and hearing about it but I'm not sure exactly what it is. Thanks guys!
Robert
Please don't pull out in front of me. I don't feel like playing identify the pieces with you or your vehicle.
While whomrig gave perfectly good Ford advice, here's the info on "Axle Warp".
Axle warp is a known problem in mid 70's chebby short beds with the 12" lift kits and 35" tires. After years of accumulated empty beer cans, fast food wrappers, composted tree leaves and assorted bird droppings in the bed, the weight becomes too much and the rear diff folds in the middle. Hence the term "Axle Warp". More pertinent info can probably be obtained by reading the "Ford verses the Competition" message board.
Mine has real bad axle wrap. It's caused by REALLY soft springs, sticky tires, and a lead foot. When I gun it and dump the clutch, the rear end hops up and down. It looks really retarded, ESPECIALLY if you're trying to race somebody!! I plan on putting some really stiff springs on it to cure that lil problem. In essence, the torque suddenly applied to the rear end harshly, tries to bend the leaf springs into an S shape.
Take it easy...
Chris A.K.A. Steakman
1982 F100 Flareside
Blue and Silver
31x10.5 BFGoodrich A/T K/O's
300 I-6, SROD 4speed, 2.75 9" Rearend
MSD6AL, 8.5mm, MSD S/C Wires
Blaster 2F Coil
220,000 Original Miles
FM40 Series Duals Out Passenger Step
Your best bet would be a 4-link setup to help get better traction. Harder springs will only cause wheel spin and less rear weight transfer. Ideally, you want some softness to the rear so it will "squat" a bit to transfer your weight to the rear during the initial launch. The softer setup of the 4-link will allow the suspension to "rebound" as you head down the track.
Another alternative for the "retarded" factor would be to slap on a set of "traction bars", "slapper bars",or "bumper bars" or whatever they are called in your neck of the woods.
Krosati
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[font size="1" color="#FF0000"]LAST EDITED ON 09-Aug-01 AT 10:46 AM (EST)[/font][p]Had a 75 4wd one time that had front axle warp. Was warped from too many strip pits and mud holes. The axle tubes bend from extreame torture. You can't really see this with your eye's unless it's really bad. A straight edge will let you know it in a hurry though.
I could never keep tires on this truck. The tires were constantly getting ground off on pavement. Had the old truck aligned 5 times by pro technitions at true dealerships. Some FNG
kid working at one figured it out.
I've had real goos success curing axle wrap by using airlifts mounted on the spring in front of the axle housing. Doens't affect the ride under normal conitions just eliminates axle wrap. And with a heavy load you can level the vehicle at the first gas station.
i've heard lift blocks can cause/exaggerate axle wrap because the blocks add leverage. like the ohter guys said; torsion/tracking/ladder bars are designed to prevent axle wrap.
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