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Same notorious green wire ?
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Kenodog  



Joined: 25 Jun 2003
Posts: 2403
Location: Vancouver,B.C.

PostPosted: Thu Jul 13, 2017 8:09 am    Post subject: Same notorious green wire ? Reply with quote

Anyone every used the 928 shielded wire to fix their 931 distributor pick up ?

https://goo.gl/images/Sdm5PL




Leigh
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RC  



Joined: 25 Mar 2007
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Location: Australia

PostPosted: Fri Jul 14, 2017 3:34 am    Post subject: Reply with quote

No.

IMO though, it is a bloody expensive connector and length of average quality but colourful shielded cable!



It is really the connector that is needed. Recall chasing one many years ago now, to no avail. Could not find a source of new OE or aftermarket plugs. Looks like there are some alternate & marginally cheaper units now available. Shorter but could splice onto the existing cable.

http://www.ebay.com.au/itm/New-Bosch-Ignition-Distributor-Wire-Green-Wire-930-602-907-01-/292161763926





The 928 & 930 plug also appears to be longer. Thake a look at the length of the male pins on the coil.

Here is the 928 pickup coil:

http://www.rockauto.com/en/catalog/porsche,1980,928,4.5l+v8,1263350,ignition,distributor+pickup+coil,7176

Compare to 924 (NA) pick up coil:




http://www.rockauto.com/en/catalog/porsche,1980,924,2.0l+l4,1263259,ignition,distributor+pickup+coil,7176

So ... back to your initial question...
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924RACR  



Joined: 29 Jul 2001
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Location: Royal Oak, MI, USA

PostPosted: Fri Jul 14, 2017 11:17 pm    Post subject: Reply with quote

Be advised, if you're looking to splice, that the original green wire is a coax cable... just to add to the complexity...

We replaced with twisted pair, about as good for shielding for EM interference...
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Rasta Monsta  



Joined: 12 Jul 2006
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PostPosted: Fri Oct 27, 2017 2:29 am    Post subject: Reply with quote

Rock Auto FTW

Search for 93060290701
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924RACR  



Joined: 29 Jul 2001
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PostPosted: Fri Oct 27, 2017 3:20 am    Post subject: Reply with quote

Rasta Monsta wrote:
Rock Auto FTW

Search for 93060290701


Wow!! $32.79 USD, Uro Parts...
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Rasta Monsta  



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PostPosted: Sun Nov 12, 2017 5:19 am    Post subject: Reply with quote

Rasta Monsta wrote:
Rock Auto FTW

Search for 93060290701


Sorry if anyone relied on this. Not even close, I'm afraid.
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Rasta Monsta  



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PostPosted: Sun Nov 12, 2017 5:25 am    Post subject: Reply with quote

924RACR wrote:
We replaced with twisted pair, about as good for shielding for EM interference...


Where did you splice? Where did you obtain the twisted pair wire? Gauge?
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924RACR  



Joined: 29 Jul 2001
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PostPosted: Sun Nov 12, 2017 6:26 am    Post subject: Reply with quote

My EE crew chief sourced the shielded twisted pair, maybe 20 ga or so...

Didn't splice; replaced the single connector with two spade terminals.
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MikeJinCO  



Joined: 08 Jun 2010
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PostPosted: Tue Jan 02, 2018 6:48 am    Post subject: Reply with quote

I now have a many lifetimes supply of coax cable and now 98 crimp on connectors that are a very secure fit to the distributor pickup. To get the stuff I had to buy 30m cable and a box of 100 connectors. The connectors and 5 or so feet of cable could be fit in a mailing envelope. Splicing would be required at least on an NA due to the control box connector. Let me know if you need some. Low cost, I only have about $25 in everything and I'm not really looking to make a profit.
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924RACR  



Joined: 29 Jul 2001
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PostPosted: Wed Jan 03, 2018 12:00 am    Post subject: Reply with quote

WOW. Nicely done, sir.

But on the NA, isn't it just a common copper spade terminal? That's what we have on the '79 racecar...
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Fasteddie313  



Joined: 29 Sep 2013
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PostPosted: Wed Jan 03, 2018 12:05 am    Post subject: Reply with quote

MikeJinCO wrote:
I now have a many lifetimes supply of coax cable and now 98 crimp on connectors that are a very secure fit to the distributor pickup. To get the stuff I had to buy 30m cable and a box of 100 connectors. The connectors and 5 or so feet of cable could be fit in a mailing envelope. Splicing would be required at least on an NA due to the control box connector. Let me know if you need some. Low cost, I only have about $25 in everything and I'm not really looking to make a profit.


What would do for a good drop in replacement for the turbo?
I've never really put much thought into this wire because I've never had a problem with it but this sound like it would be a good little bulletproofing for a common problem..

If you just make up a few of em, have them ready to go, and post in the for sale section, I bet you could sell a few. Maybe make some beer money..
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Last edited by Fasteddie313 on Wed Jan 03, 2018 12:07 am; edited 1 time in total
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Fasteddie313  



Joined: 29 Sep 2013
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PostPosted: Wed Jan 03, 2018 12:06 am    Post subject: Reply with quote

924RACR wrote:
WOW. Nicely done, sir.

But on the NA, isn't it just a common copper spade terminal? That's what we have on the '79 racecar...


Doesn't it have like a sealed/fittied isolation plug through the distributor wall?
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MikeJinCO  



Joined: 08 Jun 2010
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Location: Maysville, Colorado

PostPosted: Wed Jan 03, 2018 1:08 am    Post subject: Reply with quote

My distributor is from a '78 NA. The spade terminal is a case ground wire as far as I can tell, The coax goes back to the ignition box, I only wish I had a points distributor. And yes it should be a sealed plastic terminal, I may just have to make a silicone type plug. I'd hate to use silicone as it is too much of an adhesive so I could never get it cleaned out again, I do have some mold release spray or probably a gentle swab of light machine oil on a Q-tip. And then a less adhesive sealant. I haven't inspected the inside of the distributor that well and won't be able to for several months due to shoulder surgery soon.
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Eric P  



Joined: 21 Jun 2017
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PostPosted: Wed Jan 03, 2018 1:15 am    Post subject: Reply with quote

Normal spade connectors will fit on a NA. I had to cut my connector off due to a broken wire in the injection molded plug causing an intermittent misfire. I soldered two female spade connectors on, wrapped them in heat shrink, then sealed the whole thing with some silicone. If I pull the plug out, I'll probably need to redo the silicone but it's better than water in my distributor. Not that there should be much moisture in that location anyway.

A new plug would be nice, but I have a lot better things to spend $30 on with this car. From the looks of the 931 plug, it wouldn't fit in a NA distributor anyway.
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MikeJinCO  



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PostPosted: Wed Jan 03, 2018 5:40 am    Post subject: Reply with quote

Yes it is a normal spade connector, just the smallest size which is not normally seen on the store shelf, hence the box of 100. I tried the typical red jacket ones for 18-22 wire but I didn't like the closeness of the connectors in the distributor or the wire fit in the connector. The smaller ones fit much tighter and leave more room while fitting the 24 ga coax much better. When I measured the existing coax it appeared to be the equivalent of 26 ga.
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