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post #1 of 5 (permalink) Old Jul 30th, 01, 05:27 PM Thread Starter
Join Date: May 2000
Location: kalamazoo, mi
Posts: 18

I just started my 327 in a 68RS camaro and there is a nasty oil leak between the head and block by the last lower head bolt at #7 cylinder side. Where could the oil be coming from??? The block was decked and the heads are new. This is a big let down after working 3 plus years at this ground up restoration only to fire up the engine and encounter this. Does anyone have any thoughts before I tear it down?


Dan Chilla
68RS 327 stroked to 389
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post #2 of 5 (permalink) Old Jul 30th, 01, 05:44 PM
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Join Date: Dec 1999
Location: Meridian, Idaho
Posts: 321

Sounds more like a valve cover gasket. It might be curled under a bit when the cover was installed.

68 SS 396
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post #3 of 5 (permalink) Old Jul 30th, 01, 09:23 PM
Join Date: Apr 2001
Location: Oakdale Ca
Posts: 12

Your oil leak could be coming from the rear corner of the intake manifold, or the oil pressure sender (gauge line fitting).
Also there is a oil galley that takes a plug on the deck just down from the galley that the oil pressure fitting goes into, the cylinder head covers half of it, if the plug was missing oil would spray out but it could be loose, usualy that plug is never removed but ya never know, the first place to look is the oil pressure fitting
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post #4 of 5 (permalink) Old Aug 1st, 01, 03:43 AM
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Join Date: Jul 2000
Location: Stuart, Florida
Posts: 567

Hey guys, what about that plug you put under the head in the back. I believe it is a port left over from casting. If the plug was forgotten, you would have a nasty leak.


1992 Firebird 355/Six Speed
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post #5 of 5 (permalink) Old Aug 1st, 01, 11:01 AM
David Pozzi
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Join Date: Nov 1999
Location: Central California, USA
Posts: 10,108

I have a leak on that plug too. I believe the way engine blocks are cleaned these days, by putting them in an oven, cooked out the sealer on this plug and allows it to leak.

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