The only pressure there will be the crankcase vent pressure. Any pressure measured is the result of a blocked breather or excessive blow by from bad rings or pistons. There is quite a bit of splash there. Maybe a place for oil temperature.
 
Dennis

----- Original Message -----
From: roger sisler 
Date: Monday, October 16, 2006 11:00 am
Subject: Oil pressure questions again
To: vanagon@GERRY.VANAGON.COM

> Yeah,it's me. Look, I ordered that sandwich plate, and the 1/8 
> inch npt to m10 adapter. All is well and I am awaiting 
> delivery.HOWEVER, while disassembeling my parts van for 
> disposal,I noticed that the fuel pump block off plate may access 
> the case. Could a drilled hole and 10mm 1.0tp threads allow a 
> oil pressure sensor or other oil sensor to be installed ok in 
> this block off plate?
> 
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