Well, K5 wasn't really made to go 85 like everyone does now... Interstate speed limit was 55 when most of these were made if I'm not mistaken.
I thought that was one of their value adds was that would help condition in addition to that shine.Some of those products leach out the compounds in the tires which could make them age faster. At least according to some of the things I've read on the internet. I personally have never had an issue with it.
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That's what I put the caveat of that's what the internet says. If I believed everything I read, I'd never drive my truck for fear of it breaking.I thought that was one of their value adds was that would help condition in addition to that shine.
Never used belt dressing, dont know if that actually does anything or not, but belts are a much cheaper fix than trying to extend life of belt.
There has to be a product out there that helps combat dry rot and rubber deterioration. If not, then maybe I need to create it.