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Valve cover leaks

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Old Jun 8, 2006 | 06:42 PM
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Emmett
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From: Uniontown PA
Default Valve cover leaks

My 435 valve cover gaskets continue to leak,even after straitening the covers and replacing with new cork and metal gaskets.Should I try the rubber type with a little silicone or what?
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Old Jun 8, 2006 | 06:47 PM
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From: Barrie Ontario
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You may want to try Pressure Bars which extend the pressure on the edges of the covers when you tighten them down. It worked for me. got them at the local performance shop ($9.50 Canadian -for both sides). Don't over tight! Good Luck
Domer.
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Old Jun 8, 2006 | 07:27 PM
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Did you check the oil returns at the rear of the head? Sometimes they plug up slowing the oil return allowing oil to fill up the cover and this will cause a leak.
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