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GMC V6 and V12 Engines Engine repair and rebuilding |
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#1
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oil leak on 305E exhaust manifold
Hey guys - I am not too mechanically inclined where engine internals, rebuilding etc are concerned, so to some of you this may sound like a dumb question. Take a look at the attached pics of an annoying oil leak I have on the front of my drivers side exhaust manifold - not coming from the head bolt, or valve cover - appears to be coming from around the exhaust port itself? Just wondering if this means I need to pull and rebuild the heads or what? Any insight will help
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My 60-66 GMC Projects: 1960 1001 Custom Cab short wideside BBW, 305A V6, factory PB, Hood Jet, Radio and Hydramatic. 1962 K1000 4x4 short wideside, BBW, 305D w/ SM420, PTO Winch 1966 1001 Custom Cab short wideside, w/ super rare Sport Trim option interior (bucket seats) |
#2
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Re: oil leak on 305E exhaust manifold
GMCNut:
Question would be why the No. 1 cylinder is throwing that much oil out of the exhaust? What other symptoms are you having? Is exhaust pipe putting out a blue smoke screen? What does the spark plug from that cylinder look like? Have you tried a compression test on that cylinder? Have you checked the valve lash on that cylinder? Hopefully those questions help. What you see is out of the ordinary. I think you need to do some more fact finding to decide what is causing it. Regards, Steve New Orleans |
#3
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Re: oil leak on 305E exhaust manifold
Quote:
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My 60-66 GMC Projects: 1960 1001 Custom Cab short wideside BBW, 305A V6, factory PB, Hood Jet, Radio and Hydramatic. 1962 K1000 4x4 short wideside, BBW, 305D w/ SM420, PTO Winch 1966 1001 Custom Cab short wideside, w/ super rare Sport Trim option interior (bucket seats) |
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