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Slippery Slope Expert
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Ignition Harness Issue
I am having an issue with installing a new ignition harness on my 911SC, which I am sure others have run into.
I am backdating the heating system to eliminate the blower in the engine compartment. I know lots of others have done this. The problem is that the Beru harness for the SC has straight connectors that go into the distributor cap. #2 and #6 are interfered with by the configuration of the new (old style) LH hot air spigot. #6 could possibly be made to plug in, but there is no way #2 will. It appears to me (looking at the pictures in our host's catalog) that the harness for the later Carrera 3.2 has right angle connectors at the distributor and should work fine. Does anyone have any experience with this?
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“As new technologies become indistinguishable from magic, and I can no longer tinker, the magic goes away for me.” |
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05-14-2019, 03:50 PM
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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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I'm not sure what you mean by "ignition harness". Post a picture.
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Gordon ___________________________________ '71 911 Coupe 3,0L outlawed #56 PCA Redwood Region, GGR, NASA, Speed SF Trackrash's Garage :: My Garage |
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05-14-2019, 04:55 PM
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ROW '78 911 Targa
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I’m guessing he means spark plug wires.
May need to adjust the clearance to the distributor on the duct as most need to do. This has been posted in most backdate threads.
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Dennis Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds. |
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05-14-2019, 07:30 PM
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Registered
Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,489
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You need to get the turbo tube for that side, it gives clearance for the plug wires and distributor cap.
Bruce |
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05-15-2019, 07:29 AM
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Slippery Slope Expert
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To clarify, here are some pics of the area. I can't find where I ordered it, but can anyone identify the air socket part I have?
  
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“As new technologies become indistinguishable from magic, and I can no longer tinker, the magic goes away for me.” |
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05-18-2019, 10:55 AM
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ROW '78 911 Targa
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Likely you have one for a ‘73 or earlier. They need to be adjusted for the distributor cap and wires to clear by cutting and welding it, or by creating a depression in the area with a hammer.
(I used the hammer method)
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Dennis Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds. |
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05-18-2019, 11:26 AM
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ROW '78 911 Targa
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Backdating Heat - Questions?
Shows difference in original and one with clearance for dizzy. A little extreme, (maybe needed for a 3.2 ) I didn’t need to make that much room on my 3.0.
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Dennis Euro 1978 SC Targa, SSI's, Dansk 2/1, PMO ITBs, Electric A/C Need a New Wiring Harness? PM or e-mail me. Search for "harnesses" in the classifieds. Last edited by timmy2; 05-18-2019 at 12:52 PM.. |
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05-18-2019, 11:32 AM
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Registered
Join Date: Jul 2013
Location: South East England
Posts: 1,692
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I have the same part. Just reshaped it with a body hammer and repaint. You need good clearance with the HT leads or the spark will jump to the tin.
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www.classicretrofit.com |
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05-18-2019, 11:37 AM
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Under the radar
Join Date: May 2007
Location: Fortuna, CA. On the Lost Coast near the Emerald Triangle
Posts: 7,129
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You can see where I modified mine. Some careful work with a hammer and dolly, some sanding and paint and you will be good to go.
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Gordon ___________________________________ '71 911 Coupe 3,0L outlawed #56 PCA Redwood Region, GGR, NASA, Speed SF Trackrash's Garage :: My Garage |
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05-18-2019, 02:29 PM
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Slippery Slope Expert
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OK guys, thanks.
__________________
“As new technologies become indistinguishable from magic, and I can no longer tinker, the magic goes away for me.” |
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05-18-2019, 04:13 PM
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My Garage
1971 Porsche 911
Baja Bug
Heinz
