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Oiling Issue Resolved, but the damage is done |
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farna 
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Moderator Lost Dealership Project Joined: Jul/08/2007 Location: United States Status: Offline Points: 7132 |
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 Posted: Nov/11/2009 at 7:40pm |
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Do note that the AMC recommended external oil line was only 1/8" copper tubing and intended to supply additional oil, not ALL the oil. The passage around the head bolt would get sludge built up which would reduce, but not eliminate, the oil supply. I'd use a 3/16" line to supply all, maybe even 1/4".
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Frank Swygert
American Motors Cars Magazine www.amc-mag.com |
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Garryjav
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Joined: Jul/12/2007 Location: United States Status: Offline Points: 20 |
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Posted: Nov/15/2009 at 8:55pm |
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i would use a 1/4 line and a valve to control how much oil gets to the rocker shaft
are you planing on using hollow pushrods?
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74CJ5
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Joined: Jan/30/2010 Location: CT Status: Offline Points: 11 |
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Posted: Jan/30/2010 at 9:15pm |
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I have the opposite problem. I am installing a head with the rocker bridges inplace of the head with the rocker shaft. I have replaced the push rods but how do I block the oil passage on the deck of the block?
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1968AMC770Wagon
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Joined: Jan/09/2009 Location: CT Status: Offline Points: 1140 |
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Posted: Jan/30/2010 at 9:30pm |
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Too much oil?
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Zach Orcutt
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poormansMACHINE
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Charter Member Joined: Jun/28/2007 Location: Shoemaker-Levy9 Status: Offline Points: 12357 |
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Posted: Jan/30/2010 at 9:31pm |
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The passage is blocked (non existant) in the later head so the oil stops at the block surface.
Edited by poormansMACHINE - Jan/30/2010 at 9:34pm |
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74CJ5
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Posted: Jan/30/2010 at 9:35pm |
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No, I only need oil thru the pushrods. I want to block the passage on the block which feeds the rocker shaft which is no longer used.
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74CJ5
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Posted: Jan/30/2010 at 9:37pm |
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The head gasket has a slot which creates a passage between the hole on the deck and the head bolt. |
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poormansMACHINE
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Posted: Jan/30/2010 at 9:41pm |
There's no where for it to go from that point upward. The head has no passage. |
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74CJ5
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Posted: Jan/30/2010 at 9:50pm |
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I have a late 80's block with a 81 head. The gasket is for late 80's. I look as the head does not have the surface area the block has around the slot on the gasket and oil may leak around it.
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poormansMACHINE
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Posted: Jan/30/2010 at 10:06pm |
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From 75 and up the 258's had bridged rockers so I'm not understanding your concern over a leak that shouldn't happen.
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74CJ5 wrote: