Fuel shut off valve

Wondering if the valve can be taken apart and valve lapping compound used to burnish and seat the mating surfaces?
 
Wondering if the valve can be taken apart and valve lapping compound used to burnish and seat the mating surfaces?

Numerous members have suggested in the past to lap in the valves, using everything from fine valve lapping compound to toothpaste.

I have never has much luck with this.
 
I installed one of the USA made shutoff valves from Snyder's in my '28 roadster about two months ago and it hasn't leaked yet. I have owned this car since 1989 and have replaced four other valves in it. I still have these old junk valves but this new valve looks to be of better quality than any of them (all brass).

https://www.snydersantiqueauto.com/product.htm?pid=979339&cat=41707

I should add that I also have an early '28 open cab pickup which I bought some months before bought the roadster. I still have this one too. It came with an original style valve, possibly the one that was on the car when it was new. This valve leaked and was hard to turn. I repaired it with one of the then available kits and lapped the valve per the instructions. It still does not leak and is easy to turn.
 
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