In order to be a wet bolt there has to be a zerk. Otherwise there is no way to lubricate and the bolt/bushing is not "wet".
There is no way (that I am aware of) to lubricate the old style bolts other than removing them, smearing grease on it and the bushing, and then reinserting the bolt. A less than ideal method.
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Carl (n Susan)
There is more to life than fuel mileage.
2012 Montana 3700RL Big Sky Package towed by a 2015 Ford F350 6.7L PSD 4WD CC LWB
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