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Enthusiast
Join Date: May 2011
Posts: 1
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Oil leak on the top of the motor
I recently purchased a track car looking very much like a '74 RSR. It had a recent technology refresh....the motor is a 3.4L, 12.5:1 compression with PMO carbs...had about 9 hours on it. The first time I got the car out on the track, I got about 12 run sessions on the car and it started leaking oil out of the top of the motor.
I changed the crankcase top breather cover gasket, the oil pressure sensor and the o-ring on the thermostat, cleaned up the motor and tried it again. It looks like the thermostat is the bad actor and is still leaking after the new o-ring. I'm running out of ideas...anybody have any suggestions?? |
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05-01-2011, 06:58 PM
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Registered
Join Date: Dec 2003
Location: Centreville, MARYLAND
Posts: 938
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Breather hose
Oil cooler leak.
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Old Tee all 911s sold |
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05-03-2011, 05:27 PM
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Registered
Join Date: Sep 2005
Location: new york
Posts: 1,372
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ive had this problem many times on higher revving "race cars" the culprit is 9 time out of 10 the breather cover, try removing the gasket and using loctite 574 in its place, should fix your problem
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05-04-2011, 01:19 PM
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