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[Fot] TR3/TR4 AMBRO OIL LEAK UNDER PRESSURE-APPARENTLY FILTER BODY

To: fot@autox.team.net
Subject: [Fot] TR3/TR4 AMBRO OIL LEAK UNDER PRESSURE-APPARENTLY FILTER BODY
From: n197tr4@cs.com
Date: Fri, 16 Apr 2010 08:40:17 -0400
This one is new to me.....oil pressure appears normal at idle.

At road speed (3000 RPM) oil pressure starts to build higher to 75-80 psi
depending on the relief valve setting, and eventually settles back as the
engine reaches operating temps....about a 10 mile run..

Upon return to garage the area around the filter body is wet and about 1/3 of
a quart of oil has migrated to the transmission area and pools under the
car...a lot of oil.

I initially suspected the rear crank seal, but the amount of oil around the
filter body support tends to dispel that idea.

I now suspect a restriction of some kind, but it would be good if anyone has
experience this before and has a specific cause.

Outside of that, the AMBRO seems to be a remarkable car, so far, but needs
high speed runs with extreme cornering forces as part of the sorting process.

Looking forward to any experience or suggestions.

Thanks....Joe A










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