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Unread 10-28-2013, 01:45 PM
grubsie grubsie is offline
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Join Date: Aug 2011
Location: Danville, NH
Posts: 112
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The problem is most likely the gasket. If you take the tach cover off and look closely, you will see a hole just below the hole that the camshaft goes in. This is the drain hole to allow the oil gathered in the tach cover to go back into the head. There should also be the same size hole in the cylinder head just below the camshaft that lines up with the hole in the tach cover. Most of the gasket kits out there do not have this hole opened in the gasket. If there is no hole in the cylinder head just below the camshaft, you need to drill a hole in the cylinder head. You can do it in place by using a lot of grease and going slowly to catch the drill filings. Change the grease several times while drilling. In your current situation, oil is being pumped into the tach cover with no place to relieve the pressure.
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