View Single Post
VirginiaF1 VirginiaF1 is offline
1988 944 2.5L 8-v NA 301k
 
VirginiaF1's Avatar
 
Join Date: May 2011
Location: Richmond, vA
Posts: 467
Garage
Porsche Crest

Quote:
Originally Posted by HondaDustR View Post
If the oil pressure relief valve is working correctly, you'll never see much more than 4 bar once the oil is up to operating temp....
Thus, if seeing 4 bar @3,000rpm (and 180F coolant for at least 20 mins), the OPRV is failing?
Or the OP sensor is suspect?
If neither, is it time for ATF or SeaFoam in the crankcase 100 miles prior to next Oil Change?
__________________
'88 8v n/a 301k with 41k on current TBelt
M454 M533 M650 M425 M418
New Feb'13 Bridgestone Grid 019.. awesome.
Paid just $1,700 running & inspected.
Big RUSH Fan! Lic Plate = LIFESON

Last edited by VirginiaF1; 05-26-2013 at 03:44 PM..
Old 05-26-2013, 03:40 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #23 (permalink)