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Join Date: Oct 2000
Location: Newtown, Pa
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Chain tensioner rebuild kit

I'm searching for rebuild kits for my stock 1974 2.7 mechanical chain tensioners. Pelican dosen't appear to have them. Anybody know where I can get them?

Thanks
Harry

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1974 911 2.7L coupe with sunroof
Old 12-29-2005, 04:16 AM
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The dealer for about $20 each.
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CConnor
73E targa
89 Coupe
Old 12-29-2005, 05:26 AM
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Just curious, why aren't you going to oil fed chain tensioners...cost only, other reason?
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'76 911S Sahara Beige/Cork
Old 12-29-2005, 07:49 AM
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From the information that I got on this BBS, the pressure fed tensioners are not foolproof and can also fail as well. Re-built mechanical with the safety collar sounds like a pretty reliable setup unless someone convinces me otherwise.

Harry
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1974 911 2.7L coupe with sunroof
Old 12-29-2005, 09:18 AM
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Harry,

I went the same way as you, just keep an eye on them every 15k miles or so and when properly set up the mechanical tensioners are bullet proof.

-My local mechanic has had a number or pressure fed tensioners fail over the last 5-10 years, and no longer automatically recommends them.
Old 12-29-2005, 10:04 AM
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as long as the safety collar is on there, seems like it would be an easy inspection about the same time you do the valves. I dont know much about the safety collars, never used them. How would you know if a tensioner failed?
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1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore
1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver
Old 12-29-2005, 10:24 AM
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wow...thats a confusing post, sorry bout that
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1978 911 SC Non-Sunroof Coupe, two tone Primer Black and SWEPCO Blue, Currently serving as a Track Whore
1981 911 SC Sunroof Coupe, Pacific Blue Project, Future Daily Driver
Old 12-29-2005, 10:25 AM
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Regular inspection is the key, regardless of which system you get,

re-sale down the road will likely be better with the Carerra tensioners, but real world reliability is not an issue so long as you re-install correctly, and inspect every 15k miles or so.
Old 12-29-2005, 11:47 AM
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Is tensioner inspection simply removing the tensioner covers and checking that the chain is tight or is there something else I should look for?
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1974 911 2.7L coupe with sunroof
Old 12-29-2005, 12:10 PM
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1957 KR 200 Messerschmitt Bubble Car 3 wheeler-my first rear engined air cooled German car,alas long gone!.
1977 911S 2.7 to spend money on
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Old 12-29-2005, 12:49 PM
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