[QUOTE=JHZR2;2361738]yikes!

I do not believe that it is leaking. Just replaced the valve cover gasket, so only time will tell.

Cleaning gasket surfaces perfectly is really tough.

Also, why grind 24mm wrenches, when super-thin ones can be had from bike shops for less than $10?[/QUOTE]

I have not been to a Bicycle Shop since the 1960s. Since that time I have bought all my Bicycle stuff from Kmart or Walmart. So I have to plead ignorance.
Since there is a Bicycle Shop next to one of the Kmarts I guess I will take a look sometime.
But, I do hang out at a cheapie toll store and I would most likely have more use for a thinned regular wrench (I have a big Belt Sander to do the job). Somewhere between $7 and $10 is what a 24mm would cost there.

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84 300D, 82 Volvo 244Gl Diesel