Valve shim question

[AlfaNeely@domain.elided]

    There is no problem grinding down the shims as long as you get them flat and parallel.  A friend has a surface grinder that does a wonderful job accurate to less than half a thousandth.
    I once had a shop offer to grind my valves and set the clearances.  I asked how they would set the clearance and they replied that they ground off the butt end of the valve.  That might have been the only way to do it on a flathead Ford, but that is why Alfa has replaceable shims.
Ciao,
Russ Neely
Oklahoma City


In a message dated Sun, 2 Jun 2002 12:36:47 PM Eastern Daylight Time, owner-alfa-digest@domain.elided writes:

> Date: Sat, 1 Jun 2002 17:34:23 EDT
> From: Raldel@domain.elided
> Subject: Valve shim question
> 
>    Can valve shims be milled down and used, or do they have to be purchased 
> at the correct size? I think they could easily be lapped down on a piece of 
> plate glass, some 400 grit wet or dry paper, and some WD-40. I am wondering 
> if this process would take off some sort of coating or if 
> the top of them are 
> hardened or something. What is the thoughts of the digest?
>      thanks,
>   randy long
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