Re: Body welt
Leaf springs are designed accounting for friction between their leaves. Less friction equates to a smoother ride at the cost of the spring deflecting more, so increasing its wear and reducing its fatigue life.
However, we do not put the springs to the abuse they were designed for, so fatigue life is not important. Caveat: An original hi-mileage spring could crack tomorrow. I opt for a smoother ride, so I use accessory spring covers soaked with SAE 140 hypoid gear oil and nothing between the leaves. The improvement in the ride smoothness is significant.
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Bob Bidonde
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