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broken timing chain?!(large pics)
I picked up a core 2.2e engine over the weekend and I was told it was a broken timing chain. I was pretty skeptical but sure enough that's exactly what I found. Ideas on how bad it will be?
 
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Tim 1973 911T 2005 VW GTI "Dave, hit the brakes, but don't look like your htting the brakes...what? I DON'T KNOW, BRAKE CASUAL!!!" dtw's thoughts after nearly rear ending a SHP officer |
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11-10-2003, 11:15 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,504
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I wonder what happened when the chain broke?
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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11-10-2003, 11:17 AM
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I'm not sure but I didn't find any broken rockers. I'm hoping I can just top end this motor and drive it while I work on other things (suspension, interior, etc) but if worst comes to worst at least I'll have core cylinders for 85mm pistons.
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Tim 1973 911T 2005 VW GTI "Dave, hit the brakes, but don't look like your htting the brakes...what? I DON'T KNOW, BRAKE CASUAL!!!" dtw's thoughts after nearly rear ending a SHP officer |
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11-10-2003, 11:23 AM
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Stahlwerks.com
Join Date: Dec 2001
Location: Columbia, SC
Posts: 4,301
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Was it a master link chain, or a one piece?
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John Helgesen Stahlwerks.com restoration and cage design "Honest men know that revenge does not taste sweet" |
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11-10-2003, 11:26 AM
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I think masterlink but can't tell for sure until I fish out the other side of the link.
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Tim 1973 911T 2005 VW GTI "Dave, hit the brakes, but don't look like your htting the brakes...what? I DON'T KNOW, BRAKE CASUAL!!!" dtw's thoughts after nearly rear ending a SHP officer |
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11-10-2003, 11:28 AM
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GAFB
Join Date: Dec 1999
Location: Raleigh, NC, USA
Posts: 7,842
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The teeth on that cam sprocket look really pointy. I'm thinking improperly-set sprocket depths, which wore out the sprockets and placed excessive side loads on the chain. Chain finally gave up.
If the intermediate shaft sprocket wore similarly, I think you'll have to split her open, unfortunately.
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Several BMWs |
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11-10-2003, 12:04 PM
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1973 Porsche 911 2.4 MFI
