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Hello wise ones - I'm experiencing various oil leaks, specifically from head gasket, valve cover and oil pump. I know the valve cover has been ongoing over the years, not enough to drive me crazy but now time to deal with it for reals. The head gasket might be more recent
What year engine is this?
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I'm wondering if some of this leakage may be related to the fuel pump issue - ie: the gas had an adverse effect on the gaskets?
If you really got a huge lot of gas into the crankcase, it might've pushed some weak gaskets over the edge, but these engines—like just about all engines designed back then—are not known for anything like perfect oil retention!
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More importantly, what's your opinion(s) about my next steps - replace the oil pump seals and head gasket?
Well, how sure are you (and how are you sure) it's the head gasket leaking? Where specifically are you getting oil that appears to be coming from the head gasket?
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Is a head gasket replacement advised, or just re-torque the head?
If it's an actual head gasket leak, it's going to be a head gasket replacement.
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If I do decide to attack the head, what other things should I do whilst in there?
Hold off on that question for now.
Other thoughts: If you have a stock original valve cover (stamped steel, what '67 called "tin") then yes, it could be warped. This warp, unless it is super extreme, can be fixed adequately with nothing more than a chunk of wood and a ball-peen hammer. As for valve cover gaskets: you probably
won't ever catch me buying those "real"gasket items. A regular rubber Fel-Pro or other major brand valve cover gasket works well without creating new problems or costing excess money.
Also, a problem with your PCV (crankcase ventilation system) can cause or greatly worsen oil leaks. Are you sure your crankcase venting is appropriately configured and working right?
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