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Delrin QB 78 valve stem question

April 13 2017 at 5:41 PM
Sophie948  (Login Sophie948)
AR&P

I bought a Delrin valve stem to put on my QB 78, bought Delrin because I've given to understand that it's easier to seat than Teflon. Stock valve stem works fine, I'm just into incessant tinkering.

So how do you seat a Delrin valve stem?

I was thinking probably put a bit of fine automotive valve grinding compound in the valve body where the stem seats, a bit on the Delrin where it hits the seat, then insert the stem and just kinda twirl the stem with my fingers while pulling on it to give a bit of pressure.

So how do you do this if you - unlike me - know what you're doing?


    
This message has been edited by Sophie948 on Apr 13, 2017 5:41 PM


 
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