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Hydraulic Chain Tensioners?
Hello,
beginner question: I just got my 1977 911. I was told that the chain tensioners have been updated. How can I tell? Is there an easy way to check? Thanks for answering that silly question! Boris  
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10-30-2009, 08:32 AM
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Aux. oil lines visible at the left and right timing chain covers = Carrera tensioners! Each of those lines should have a support clamp/bracket - check to be sure those are there (I can't see them in your pics).
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Keep the Shiny Side UP! Pete Z. |
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10-30-2009, 08:36 AM
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Looks fairly stock - hasn't been screwed up yet. 11 blade fan is good, air pump removed. What does your exhaust system look like?
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Rex 1975 911s and 2012 Range Rover Sport HSE 1995 BMW R1100RS, 1948 Harley FL |
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10-30-2009, 08:52 AM
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Quote:
There is a bit of confusion sometimes--hydraulic tensioners are not necessarily Carrera pressure fed tensioners. You may well have hydraulic tensioners (probably do) which are notorious for failure. Pressure fed are more reliable and considered a safe upgrade, but are by no means "bullet proof." There is no real meaning to the phrase "updated tensioner" unless you know the starting and ending points. It doesn't look like you have the Carrera tensioner update, but I cannot clearly see the cam covers. edit: Looking closer, Peter may be right. Post a clear shot of the face of the cam covers any we'll all be sure.
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L.J. Recovering Porsche-holic Gave up trying to stay clean Stabilized on a Pelican I.V. drip Last edited by ossiblue; 10-30-2009 at 09:08 AM.. |
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10-30-2009, 08:58 AM
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look real close and you see the feedlines to the tensioners, so IMHO it has the carrera update
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Peter '13 981S '73 911T '05 996 4S cab, now gone '70 911S Targa, now gone |
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10-30-2009, 09:03 AM
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I will go down and take some more pics!
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10-30-2009, 09:08 AM
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Peter '13 981S '73 911T '05 996 4S cab, now gone '70 911S Targa, now gone |
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10-30-2009, 09:08 AM
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this is what the updated version looks like
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- He gave his father "the talk" - Once while sailing around the world he found a shortcut - He taught a german shepard how to bark in spanish He is.... nineball. I don't always drive sports cars, but when I do I drive a 1983 911SC Targa. Stay fast my friends. |
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10-30-2009, 09:21 AM
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Ok, not sure if these pics will show more... mORE TO COME:::
   
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10-30-2009, 09:25 AM
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Yeah, you got the pressure fed Carrera tensioners.
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L.J. Recovering Porsche-holic Gave up trying to stay clean Stabilized on a Pelican I.V. drip |
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10-30-2009, 09:27 AM
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MORE PICS
     
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10-30-2009, 09:28 AM
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more pics
last round of pics!
      
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10-30-2009, 09:32 AM
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looks good. SSIs, turbo valve covers, tensioners. Looks like some new hardware on the case. Do you know if the engine was rebuilt?
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1976 911s Targa 1976 911s Coupe |
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10-30-2009, 09:40 AM
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I don't know. I do not think so. It only has 69000 miles on it...
So it is confirmed? Carrera Tensioners? Thanks! |
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10-30-2009, 09:42 AM
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Yes, in the first picture of your last batch you have a picture of the chain housing. This is were the tensioner is located. The metal line running across the front of the chain housing and eventually into the chain housing in the oil line used to provide oil pressure to the tensioner.
How does the rest of the car look?
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1976 911s Targa 1976 911s Coupe |
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10-30-2009, 09:48 AM
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Here, that is the car.
Thanks for the help!! Boris 
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10-30-2009, 10:04 AM
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Team California
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Those are some rare rims you've got there. By the looks of the SSIs, new oil return tubes and Carrera tensioners, I'd vote for rebuilt or at least re-sealed.
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Denis Trump uses an autopen and votes by mail, in case anyone wonders. 
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10-30-2009, 10:10 AM
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Good looking car! You will thoroughly enjoy it! Where are you located?
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1976 911s Targa 1976 911s Coupe |
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10-30-2009, 10:29 AM
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Well, it is leaking oil....
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10-30-2009, 10:29 AM
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I am in Germany
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10-30-2009, 10:44 AM
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1975 Porsche 911s
