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09-27-2009, 05:54 AM
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#1 |
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Senior Member
 
Join Date: Jul 2009
Location: Exeter, NH
Posts: 786
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Oil near intake bolt cracked intake?
I have been watching this for awhile now and I clean it before each trip. I have changed the valve cover gasket and used permatex. There is no way it is leaking so now I figure I have a cracked intake manifold. I have checked the bolt and it is tight. How serious is this and can I continue to drive it until I have the money to do new heads and intake? I did drive for about 7 hours through the mountains yesterday and that was all the oil that I found.
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09-27-2009, 06:37 AM
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#2 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Oil near intake bolt cracked intake?
probable cause is improper assembly// those intake bolts require thread sealer to prevent those oil leaks// lots of guys try using sillycone and it doesnt work well like teflon based thread sealer
__________________
71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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09-27-2009, 07:55 AM
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#3 |
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Registered User
Join Date: Aug 2008
Location: Sunny Arizona
Posts: 525
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Re: Oil near intake bolt cracked intake?
Mine does the same thing, only on the other side. I was gonna try some thread sealer also.
__________________
Nick "Everyone has a plan, 'till they get punched in the mouth".........Mike Tyson 1968, GMC, SWB, Project 1972, GMC, LWB, Daily Driver, 383, headers, 2.5"/3" exhaust, 200r4, 3.5/5 ECE components. 1972, C/10, LWB, 350 vortec, th350 |
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09-27-2009, 09:02 AM
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#4 |
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Registered User
Join Date: Aug 2009
Location: Panama City, FL
Posts: 84
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Re: Oil near intake bolt cracked intake?
x2 on the thread sealer
__________________
------------------------------- '71 GMC 1500 Longbed (Marilyn: PICS) '04 Toyota Tacoma (grocery getter) '03 Lexus ES 300 (Wife's) ------------------------------- '72 GMC Short Fleet (Sold - offer I couldn't refuse) |
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09-27-2009, 11:27 AM
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#5 |
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sharp as a marble
Join Date: Jan 2007
Location: atlantic beach,florida
Posts: 1,082
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Re: Oil near intake bolt cracked intake?
x3 on the sealer. seen this a bunch of times.
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09-27-2009, 03:05 PM
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#6 |
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Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: Oil near intake bolt cracked intake?
I used loctite on my aluminum intake manifold fasteners to keep them leak free and tight under expansion and contraction of the manifold.
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