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With those axle relocation blocks, would I need to redrill the upper spring plates as well?


Generally yes, since you need a hole for the top of the spring center bolt to come through. It is easier to do these since you can remove them from the vehicle and drill them on a bench or in a drill press, or even take it to a buddy's place or a shop to drill. A bit harder to drill the spring perches, as you need to do it under the truck and the holes are about 5/8" dia, so a 1/2" electric drill and stepped down bit are needed.

r.c.brown@ieee.org
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