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Need help with chain tensioner plumbing
Hey guys,
I'm in the final stages of the rebuilt of my 73t 911T-V. The car had hydraulic chain tensioners retrofitted which I'm going to reuse. My car has the oil pressure sensor in the back (near the flywheel) and not on the front as on most other cars. This means I don't have the "block" (911 107 704 00) which was used on the later cars. Instead there was an extension installed on my car. First I'd like to know if this a Porsche part or a hack. Also I have no idea on how to seal the extension to the case as there is almost no flat surface for a sealing ring.  
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02-25-2023, 10:40 AM
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Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,480
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I thought the 73 used a much smaller oil pressure block than the later cars
Looks like what you have will work. Bruce |
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02-25-2023, 03:44 PM
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Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,431
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 |
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02-25-2023, 04:43 PM
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Thank you! I have a better understanding now.
The problem with my current solution is that I cannot get a proper sealing ring surface between the case and the extension. The part John posted would be a good option but shipping to Germany will be expensive. I guess my best option will be to buy the Carrera block and relocate the pressure sender to the later style position. Thanks! |
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02-25-2023, 11:12 PM
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Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,480
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I have several…
Bruce |
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02-26-2023, 04:38 AM
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Join Date: Feb 2009
Posts: 1,005
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If the oil pressure sender is forward by the breather, you can eliminate all but the regular case fitting, by using the 964 3.3 Turbo cam feed line.
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02-26-2023, 07:52 AM
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PCA Member since 1988
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Why would you want to move the OP sender to the inaccessible "triangle of death"? If I have to replace the OP switch someday, I'll install a combined OP sender and switch at the back of the engine, where the OP sender currently is, to make it more accessible.
__________________
1973.5 911T with RoW 1980 SC CIS stroked to 3.2, 10:1 Mahle Sport p/c's, TBC exhaust ports, M1 cams, SSI's. RSR bushings & adj spring plates, Koni Sports, 21/26mm T-bars, stock swaybars, 16x7 Fuchs w Michelin Pilot Sport A/S 3+, 205/55-16 at all 4 corners. Cars are for driving. If you want art, get something you can hang on the wall! |
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02-26-2023, 10:47 PM
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Quote:
Thank you all! |
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02-27-2023, 02:40 AM
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