Quote:
Originally Posted by Ifish
...Fronts were cake to install. Rears, not so much. Late model you have to drill all 8 holes in the frame. Duals have to come off on both sides (not at same time)...
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Is the RV frame hardened steel? Did you have difficulty drilling the steel with a HSS bit?. What size hole did you drill? Pilot hole first? What is the diameter of the bolts that are used to secure the lower air bag base to the springs? Are they grade 8?
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