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Review on ๐Ÿ”ง Permatex 80036 Valve Grinding Compound: Precision in 1.5 oz. Gray Package by Bill Snyder

Revainrating 5 out of 5

You won't believe!

I have a 72 inch mower deck under a 30 hp tractor. It's driven by a 240-inch belt that runs through all three reel pulleys from the PTO shaft. If the grass is healthy, the belt will slip resulting in a bad cut. Many years ago an aircraft mechanic told me to put valve lapping paste on the belt. I've been doing this for years and the results are incredible. I thought this would prematurely age the belt, but I've never experienced that. I think it works partly by taking the shine off the pulleys. The best belt grip!

Pros
  • This is amazing
Cons
  • Some bugs