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AuthorTopic: What makes an 8 valve vitty throw a rod????  (Read 1122 times)

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Offline Disco-Ron

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What makes an 8 valve vitty throw a rod????
« on: May 07, 2007, 23:39:06 »
A mate has a slight issue with lumps of his block not being where they once were, and a conrod being vissible,........

Is this common...?? (45k fsh) or was he very unlucky?
If common..... what makes em go? cos we're gonna drop another motor in it shortly??

Thanks.
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Offline Evilgoat

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What makes an 8 valve vitty throw a rod????
« Reply #1 on: May 08, 2007, 09:09:32 »
Have heard of them eating valves but this is the first con-rod I have heard of going the way of the dodo. What was he up to when it went?
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Offline jalopy joe

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What makes an 8 valve vitty throw a rod????
« Reply #2 on: May 08, 2007, 13:33:28 »
Normally a result of the piston seizing in the bore, never heard of a Vit doing it though.
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Offline Disco-Ron

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What makes an 8 valve vitty throw a rod????
« Reply #3 on: May 08, 2007, 21:44:02 »
Just spent a few hours attempting to get the old unit out, not easy are they..... all the gubbins behind and under the carb is a right pain.....

He was just cruising along, not fast, not silly revs or anything..... sounds like (hopefully) he was just extremely unlucky...... no2 rod broke!

Thanks guys!
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Offline Evilgoat

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What makes an 8 valve vitty throw a rod????
« Reply #4 on: May 08, 2007, 22:43:28 »
Worst I've seen is No1 and no4 exhaust valves being non existant and melted piston in no4.

I guess its possible the piston could end up welded/deformed enough to seize. Would love to see pics of the post mortem.

Youd have a lot of warning if that was going on though.
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I must confess the the activities of the UK governments for the past couple of years have been watched with frank admiration and amazement by Lord Vetinari. Outright theft as a policy had never occured to him.

-- (Terry Pratchett, alt.fan.pratchett)

EX HK Police Mitsubishi Pajero 2.8TD
Audi S2 Avant 360bhp
Transit LWB 2.5di (The Shed)

Offline Disco-Ron

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What makes an 8 valve vitty throw a rod????
« Reply #5 on: May 08, 2007, 23:02:29 »
The only slight hint he had that something 'might' be amiss, was when he started it from cold 5 miles before it went pop, there was a small amount of what he described as 'steam' coming for the exhaust for longer than just condensation that you normally get....... but thats all that he detected......
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Offline jalopy joe

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What makes an 8 valve vitty throw a rod????
« Reply #6 on: May 09, 2007, 09:38:08 »
I wonder if it had water in the cylinder and it hydrauliced, that would do it.
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Offline Disco-Ron

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What makes an 8 valve vitty throw a rod????
« Reply #7 on: May 09, 2007, 18:03:09 »
IT would, but it would a seriously big failure to pop a rod when he was driving it, i know it doesn't take much water to hydraulic an engine, but..... anyways, all we do know is it's broke, and is being replaced!
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Offline electricbluebadger

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What makes an 8 valve vitty throw a rod????
« Reply #8 on: May 11, 2007, 17:26:48 »
Conrod was scared of the dark.... :)

sorry I'll get me coat :)

Cheers Steve
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Offline markyb

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What makes an 8 valve vitty throw a rod????
« Reply #9 on: May 13, 2007, 10:25:19 »
few year back my vit engine did strange things , and i actually got run on where it wouldnt stop i pulled over on the M3 ran away and it went bang and the conrod came out the side ,

i know the guy that did the head gasket put sealer on it doh as i found that much when i stripped it but never really got to the bottom of it
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Cheers Markyb
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Offline Disco-Ron

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What makes an 8 valve vitty throw a rod????
« Reply #10 on: May 13, 2007, 17:19:34 »
It's out now, defo number 2 rod, four holes in the side of the block, 2 each side!!
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