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#65250 09/03/2006 12:39 AM | Joined: Aug 2002 Posts: 30 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2002 Posts: 30 | I noticed that I have a slight oil coming from the manifold near the oil sender. I noticed a small trail of oil down the block between cylinders 5 & 6. I also have a small exhaust leak here (fixing it today). Is the oil leak an indicator that the head needs to be retorqued? This engine has about 1200 miles on it after a rebuild - should I retorque the head?
1961 Chevrolet K10
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#65251 09/03/2006 2:39 AM | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | I don't think that that's oil. I'll just about bet that it's gas. Looks like you've got a failed intake gasket. As far as re-torque on the head, no, an oil leak is not an indicator, there should not be any kind of a leak. Re-torqueing the head would not hurt, though. And make sure to torque the manifold bolts, too. Then recheck the valve lash, as it can change after re-torquing the head.
Bill Burmeister
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#65252 09/03/2006 3:19 AM | Joined: Aug 2002 Posts: 30 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2002 Posts: 30 | You could be right, considering this. I definitely had a problem with fuel pooling in the intake manifold, due to the float level on the carb being way off. I've fixed that, and am waiting for a replacement exhaust manifold before I get things back together.
1961 Chevrolet K10
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#65253 09/03/2006 3:27 AM | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | I had the same thing happen to me, like i said, torque the manifold bolts. that'll go a long way to helping seal the gaskets. You might have to use a 3/8" torque wrench to get to the bolts. And replace the locating pins on the ends with bolts, that helps too. The pins just thread out, they will be 3/8 16 NC.
Bill Burmeister
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