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Old 06-07-2007, 01:41 PM
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bobcowan bobcowan is offline
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Join Date: Feb 2007
Location: Colorado Springs, CO
Cobra Make, Engine: Backdraft, supercharged Coyote
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Quote:
Originally Posted by pmfranke
where does the leak come from if not the main seal when oil is found at the block off plate ?
Anywhere. I had a leak on my windsor at the fuel pump block off plate on the front cover. Of course, it ended up on the front of the block off plate.

Oil travles down along the sides, and hits the oil pan rail. Because of the angle of the engine, it follows the pan rail all the way to the back. Then down to the bottom of the arc. As it drips, the wind blows it onto the block off plate. Almost everything appears to be a rear main leak.

Use that smoke machine and you might be surprised. I know I was.
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