VT 49 Valve Shim

HP engines (Hirtenberger, AG Austria) tech support. Owned by RJL Industries since 1990

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VT 49 Valve Shim

Postby Imhoff43 » Sat Mar 21, 2009 4:44 pm

Were can I find the procedure fro shimming the valve?

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Postby MECOA » Tue Mar 31, 2009 7:57 am

The valve needs .003 - .005 of an inch clearence. You have to assemble the head until the valve drags and remove the appropriate shims.

No an o-ring will not work for sealing the valve. It works on an oil film. Ude the right fuel and it works great.
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