When we had a SOB, I would dry lube spray the rails as well as the rack and pinion which were Lippert. Using anything but a good brand dry lube will attract and hold road dirt. Not sure it helped anything but my adversion of metat to metal contact, those parts never gave me a problem.
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Dave W
2014 Montana High Country 343RL (Sold!)
2011 Ford 6.7 Lariat CCLB (Went to PU Heaven)
2019 F150SC XLT SE Sport,w/full tow package
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