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Registered User
Join Date: Jan 2006
Location: Santa Barbara, CA
Posts: 1,899
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Oil pressure problems; Canton Mecca
Car is a 74 with RS spec 2.7 more or less. I've run Canton Mecca oil filters for about 4 years now at perhaps a total of 25 track events. Pulling the current filter out for replacement I got surprised with this.
 The oil collects on the outside of the filter and is pulled/pushed thru to the inside then back into the tank. Obviously a giant amount of pressure has been applied. Since the CM filters have no bypass, the oil just pushed the inside filter support out of the way. It seems highly likely this is not the fault of the filter but of something going on in my motor which, by the way, seems fine although there are more aluminum flakes on the filter than previously. Anyone have a clue as to what's going on? Can the oil pressure relief system fail and send the pressure to the roof somehow? Could this happen momentarily then not occur again? I have no clue as to when this happened; three months ago or yesterday. But it seems to have been something temporary. Don't remember any huge overrevving which might load the filter, and I'm very careful with a cold motor. Any other candidates?
__________________
jhtaylor santa barbara 74 911 coupe. 2.7 motor by Joe Schneider. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's. 73 Targa (gone but not forgotten) |
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12-07-2010, 03:05 PM
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Registered User
Join Date: Jan 2006
Location: Santa Barbara, CA
Posts: 1,899
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After a lot of head scratching, verdict is it must have been the result of revving too high with cold oil. So, though I like the idea of the more effective no-bypass CM filter, I'm going back to the stock Mahle.
__________________
jhtaylor santa barbara 74 911 coupe. 2.7 motor by Joe Schneider. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's. 73 Targa (gone but not forgotten) |
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12-16-2010, 11:16 AM
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Registered User
Join Date: Apr 2010
Location: Houston, Tx
Posts: 834
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You might want to read through this thread. Could it be too much cold oil because thermostat is stuck open?
Oil filter leak (massive) |
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12-16-2010, 12:46 PM
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Registered User
Join Date: Jan 2006
Location: Santa Barbara, CA
Posts: 1,899
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Good thought, and thanks for the reference to the thread I have not seen before. We'll check.
__________________
jhtaylor santa barbara 74 911 coupe. 2.7 motor by Joe Schneider. Case blueprinted, shuffle-pinned, boat-tailed by Competition Engineering. Elgin mod-S cams. J&E 9.5's. PMO's. 73 Targa (gone but not forgotten) |
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12-16-2010, 01:14 PM
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