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Engine knock
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wsbtt
Posted 2/5/2013 18:29 (#15129)
Subject: Engine knock



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Location: Brisbane,qld		Have this knock in the engine , happened when the catalytic converters fell apart in the manifolds and blocked the exhaust whilst i was driving, ended up driving in the gutter doing 20 ks with this huge loud hissing noise like a continuous blow off valve and the engine started to heat up but didn't boil, was only about 3 ks from home, does this sound familiar to anyone


edit admin: fixed up spelling in thread title for ya'



Attachments
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Attachments TMR380 Engine knock.avi (1511KB - 330 downloads)
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wsbtt
Posted 4/5/2013 19:01 (#15130 - in reply to #15129)
Subject: Re: Engine kock



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Location: Brisbane,qld		Booked her in next week at a mitsi dealer , still under warranty, just thought somebody might know if it was top or bottom end noise
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Administrator
Posted 4/5/2013 21:49 (#15131 - in reply to #15129)
Subject: Re: Engine kock



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Location: An island off southern Tasmania.		I hope I am wrong...but...

I think it's rod knock.
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NS380
Posted 7/5/2013 07:16 (#15134 - in reply to #15131)
Subject: Re: Engine kock




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Location: Perth		Lets hope it's a simple fix
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Administrator
Posted 9/5/2013 18:24 (#15147 - in reply to #15134)
Subject: Re: Engine kock



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Location: An island off southern Tasmania.		The sound is identical to what my GT sounded like when it spun a bearing under warranty.

It will be the main bearing bolts in either cyl3 or cyl5 have stretched.

Mine was caused by very hard cornering and a conseqent interruption to oil flow.

The oil light flickered very quickly and it was all over...the next few days it just got louder and louder.

They took 3 weeks to fix it under warranty cause they fit a short motor for warranty now.

Or...it was detonation due to the lousy 7th injector setup from Sprintex.
The result will be the same...spun bearing in 3 or 5 cylinder.


Long term solution is get ARP bolt kit, and plug up 7th injector , ditch SMT6 ecu and fit a LInk G4 extreme like my VRX has.
With 6 660cc injectors of course

About $2k after motor is replaced, car will pull a good 20kw atw more as well.

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wsbtt
Posted 10/5/2013 00:04 (#15148 - in reply to #15147)
Subject: Re: Engine kock



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Location: Brisbane,qld		Is that the reason for using the 74 sump ,to combat that problem, yeah took the car in today when i picked it up they said what i thought theyd say,( didnt find anything ,just a loose exhaust bracket) WHAT THE!! So the engine is good hey? , yep they said ,OK!! so off i go ,start her up , nock nock HELLO!! Went back in an basically had to hold their hand and show them how to check for a knock ,yeah and so they agreed it had bottomend issues so new bottom end for me ,yay!! third time lucky
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Administrator
Posted 16/5/2013 23:13 (#15168 - in reply to #15148)
Subject: Re: Engine kock



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Location: An island off southern Tasmania.		mate...no new bottom end...
you will be getting a new short motor, if you plan on keeping it give me a call.

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wsbtt
Posted 20/5/2013 10:08 (#15179 - in reply to #15168)
Subject: Re: Engine knock



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Posts: 421
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Location: Brisbane,qld		Do you know something i don't, have'nt heard from them yet concerning how and when they are doing it
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Administrator
Posted 20/5/2013 12:31 (#15180 - in reply to #15179)
Subject: Re: Engine knock



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Posts: 1093
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Location: An island off southern Tasmania.
wsbtt - 20/5/2013 10:08

Do you know something i don't, have'nt heard from them yet concerning how and when they are doing it


Nah no secrets...just if you were keeping it I would improve the 7th injector fuelling system.

(I noticed you are selling it)
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wsbtt
Posted 20/5/2013 13:02 (#15181 - in reply to #15129)
Subject: Re: Engine knock



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Posts: 421
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Location: Brisbane,qld		Oh mate wish i was keeping it but priorities you know,had lots of interest and lots of offers $13k ,$18,$23 , the best was $25 k still concidering that ,we'll see what happens
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