Pressure Tester (was Surging and erratic boost

PeterBergin at PeterBergin at
Tue Jan 2 20:24:22 EST 2007

Curious, I have never heard of a check valve their.  Would like to  find out. 
 The dipstick has a couple of O-rings on it.  That might be  why my car 
(chipped) seldom sees over 1.6 on the dash gauge.  Once in a  blue moon I will get 
a sudden surge up to 1.7 or 1.8.
Could I be dumping boost into my crankcase?  Never considered it as  possible.

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