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Chain Tensioners
Can anyone tell me if you can you can apply the Carrera chain tensioner upgrade to a pre 69' chain case?
If yes is there a method of locating the oil line hole? thanks All! Panzer |
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07-01-2008, 06:42 AM
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Moderator
Join Date: Dec 2001
Posts: 9,569
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You can, but it requires welding a boss on the aluminum cover. If you are going to use non-original tensioners, it doesn't make sense to use the original chain box-- the newer ones have more studs and better sealing and work with the Carrera tensioner covers.
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) Last edited by 304065; 07-01-2008 at 12:07 PM.. |
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07-01-2008, 07:06 AM
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3 restos WIP = psycho
Join Date: Feb 2005
Location: North of Exit 17
Posts: 7,665
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Or you can do what I did: abandon pressure fed tensioners for 930 tensioner with collars. Depends on if you want it to look original or not.
If you go with pressure fed and dump your covers, I would love to take them off of your hands.
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- 1965 911 - 1969 911S - 1980 911SC Targa - 1979 930 |
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07-01-2008, 09:12 AM
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I will go with the pressure fed tensioners; originality is not of importance.
I have the newer style, which I will get prepared for the Carrera upgrade I kind of blew it sending in the older ones to Ollies thinking it was an easy conversion and found out it might be more difficult when George gave me a look yesterday. Anyway the pre-69 aluminum chain housings will become available when I pick up all my engine pieces. They have already been cleaned and media tumbled so they look great. Thank you for the support guys. Dave |
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07-01-2008, 11:22 AM
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Join Date: Jan 2006
Location: san diego, ca
Posts: 58
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which year 930 tensioners? and/or, does anyone have a part number? I'm preparing to do this in a couple of weeks on my 71T and I want to make sure I use the correct tensioner.
FWIW, I'm going to do the Jerry Woods mod in addition, as many on this board have suggested as a fail safe instead of the collars.
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1985 redslope 930, 8:39 RP, S cams, B&B dual out muffler, IA Fuel Dist. Sitting on shelf awaiting installation: IA HF turbo, GSF headers(no heat), 46mm wastegate. 1971 911T Targa. needs alot of work(understatement). 
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07-01-2008, 05:33 PM
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Join Date: Aug 2007
Posts: 15
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Do you have to modify anything else? I've was advised that on the 68 you have to modify the cam.
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07-02-2008, 08:12 PM
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