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honks
Joined: Tue Apr 20, 2010 11:30 pm Posts: 214 Location: ipswich
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 Posted: Thu Oct 20, 2011 3:51 am |
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i have noticed that lately my 95 sierra has been using a bit of oil and i just pulled the spark plugs to check them and all of the threads seemed oily and no 1 plug had pool of oil around the washer at the base of the plug would this be from oil pushing past the rings .There is no other oil leaks ( rocker cover etc.). I am cotemplating a rebuild soon just curious if there is any suggestions who to use i'm in the ipswich/ west brisbane area i got a quote for a complete rebuild exchange engine for $2000 is that about right or to much have never had to get engines rebuilt before so i dont know.
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Reubs
Joined: Wed Sep 09, 2009 11:30 pm Posts: 1522 Location: Brisbane
Vehicle: SJ80, SE416
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Posted: Thu Oct 20, 2011 4:06 am |
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honks wrote: curious if there is any suggestions who to use i'm in the ipswich/ west brisbane area i got a quote for a complete rebuild exchange engine for $2000 is that about right or to much have never had to get engines rebuilt before so i dont know.
If you need the job done in a hurry and with a warranty, Suzi Auto at Springwood do a drive-in drive-out 1.3 swap for around $2200.
One of my coilies has a Suzi Auto reco engine in it that was done 6 years ago and now has 175,000km on it and is still going great.
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SierraDan
az supporter
Joined: Fri Feb 04, 2011 10:55 pm Posts: 9347 Location: Newcastle
Vehicle: G13BB Jimny
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Posted: Thu Oct 20, 2011 4:58 am |
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Is it on the electrode?
Cos that just sounds like oil seeping from the rocker cover into the plug spaces.
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mlm
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shiv
Joined: Fri Sep 02, 2011 6:38 am Posts: 693 Location: Singo
Vehicle: SJ70 1993
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Posted: Thu Oct 20, 2011 5:00 am |
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Im doing my 1990 at the moment, costed 580 in parts and 95 for head recondition.
Doing it your self or conning your mate into it is so much cheaper
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Lock, Drop and roll
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Scrawny
I live here!
Joined: Tue Jan 29, 2008 10:30 pm Posts: 10528 Location: Brissie
Vehicle: Popemobile
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Posted: Thu Oct 20, 2011 5:11 am |
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shiv wrote: Im doing my 1990 at the moment, costed 580 in parts and 95 for head recondition.
Doing it your self or conning your mate into it is so much cheaper
Can't have been much of a head recon for $95?
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shiv
Joined: Fri Sep 02, 2011 6:38 am Posts: 693 Location: Singo
Vehicle: SJ70 1993
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Posted: Thu Oct 20, 2011 5:14 am |
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Not all out but it didnt really need that much. Only doing a rebuild cause i lost it and stripped it after a night shift
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Lock, Drop and roll
Last edited by shiv on Thu Oct 20, 2011 5:16 am, edited 1 time in total.
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Scrawny
I live here!
Joined: Tue Jan 29, 2008 10:30 pm Posts: 10528 Location: Brissie
Vehicle: Popemobile
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Posted: Thu Oct 20, 2011 5:15 am |
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What did they do? Just a machine?
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shiv
Joined: Fri Sep 02, 2011 6:38 am Posts: 693 Location: Singo
Vehicle: SJ70 1993
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Posted: Thu Oct 20, 2011 5:18 am |
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I coulnd get the rocker assembly off. So removing that. Machining pressure test density test and something else i think
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Lock, Drop and roll
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mongrelzook
Joined: Mon Jun 27, 2011 11:55 am Posts: 144 Location: brisbane
Vehicle: 96 sj70+80 tintop sierra
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Posted: Thu Oct 20, 2011 6:36 am |
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Sitting out the front of my house with mine all rebut next to me waiting for the misses to get home to put in. 1600 for head, block, flywheel grind, and timing belt kit supplied.
I have to bolt head to block to save monies. Was happy to spend abit rather than do it myself to make sure all is good.
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honks
Joined: Tue Apr 20, 2010 11:30 pm Posts: 214 Location: ipswich
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Posted: Thu Oct 20, 2011 10:10 am |
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Sierra dan there is no oil on the electrode but is on the threaded section of the plugs and on the inside of the washer at the base of the spark plug, there is no oil leaks on the rocker cover as stated in my original post and i cant see how a leaking rocker cover could let oil seep past the washer and down the thread of the plugs when they were tight.Also shouldn't any oil on the electrode be burnt of when the engine is running.
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fordem
Joined: Mon Apr 19, 2010 11:30 pm Posts: 2655 Location: Georgetown, Guyana
Vehicle: JB420, APK416, A6G415, A6N415
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Posted: Thu Oct 20, 2011 11:44 am |
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honks wrote: Sierra dan there is no oil on the electrode but is on the threaded section of the plugs and on the inside of the washer at the base of the spark plug, there is no oil leaks on the rocker cover as stated in my original post and[b] i cant see how a leaking rocker cover could let oil seep past the washer and down the thread of the plugs when they were tight.[b/]Also shouldn't any oil on the electrode be burnt of when the engine is running.
Just my experience - but any time I've had oil on the threads, the problem has been that the plugs weren't tight.
You can get plugs with crush washers and plugs with tapered seats - and they are interchangeable - but they require different tightening sequences - especially the crush washer style, where the sequence is different for new plugs & used plugs.
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