Extended radius arm question
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visit the superlift website they have installation instructions for there products.
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Measure the stock arms, and measure the extended arms. Whatever the difference is, is how far back the new arm mounts go
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Measuring is the easy way. I think mine are like 14" longer than the stock arms. I do have a few pics at SFO. There is little room to mount the stock brackets due to the front-cab body mount. JSM84
It was easier to mount the radius arm to the axle I-beam, then mark and drill the holes for the bracket attached to the end of the arm. Keep a close check on your CASTER, esp. with dual shocks, since there's no adjustment and the mounting of the brackets will affect that. You want the coil spring straight, or it will hit one or both shocks and your alignment will be off.
It was easier to mount the radius arm to the axle I-beam, then mark and drill the holes for the bracket attached to the end of the arm. Keep a close check on your CASTER, esp. with dual shocks, since there's no adjustment and the mounting of the brackets will affect that. You want the coil spring straight, or it will hit one or both shocks and your alignment will be off.
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measure the new and the old this will tell you. i got a set of skyjacker extended arms and they were 15" longer. i took a 1/4"X 1" flat stock and drilled 2 holes 15" on center and installed a bolt in both ens and clamped the stock mount to the frame and used the "Jig" to get the right distance to the new mount. from lining up the front jig bolt in an old mount hole. worked fine for 2 different installs now....mike
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