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> 6 Conversion engine harness questions
Cfletch
post Dec 3 2024, 09:01 PM
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Hey everyone! Soon I will have to get some pics for you all and share more details regarding my 6 conversion, but for now I had some questions for my specific example.

I have a 1970 914, so it came with the 1.7 of course. I am working on putting in a 2.7l from a 1974 911. It originally had CIS, but I am opting to switch over to carbs. The engine is complete with its factory harness and I am wondering what I will need to buy or do in order to get the engine correctly hooked up to what it needs to. Either direct connection to main harness or using the relay board as a way in joining connections. From what I understand I won't need half the stuff on the engine harness, or relay board and also the pins are all different.

I am going with a 6AL box, carbs, high vol low pressure fuel pump. I would like to keep it as simple as possible or as cheap as possible, if you can have 1 with the other in this scenario. Please let me know what needs to be done! I tried searching around and found some stuff but nothing that really helped for my uses. Any links for business or guides would be appreciated, thank you!
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Luke M
post Dec 7 2024, 07:19 AM
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I removed the relay board in my brothers 6 conversion and installed an internal voltage reg alternator. It was super easy to do. I used an engine wire harness kit from Perry and a male 14 pin harness plug to make it all work. Here's the alt info. It's a new Valeo unit.
75 amp, internal reg, part # 432776 or 911 603 120 04. Some minor modifications are required on the rear alt air guide. There's plenty of online info on this mod. The factory even put out a bulletin on how to do it.

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Cfletch   6 Conversion engine harness questions   Dec 3 2024, 09:01 PM
Robarabian   I had the same setup in my Irish 6, with a CIS 2.7...   Dec 3 2024, 09:08 PM
mb911   Perry makes a harness for exactly what your doing   Dec 4 2024, 05:55 AM
JmuRiz   Perry makes a harness for exactly what your doing...   Dec 4 2024, 02:04 PM
Cfletch   Perry makes a harness for exactly what your doin...   Dec 4 2024, 04:16 PM
Detroit   PM sent. I'm in the midst of the exact same p...   Dec 4 2024, 10:24 AM
930cabman   I found a used one, cheap and did a few mods, work...   Dec 4 2024, 02:09 PM
porschetub   I found a used one, cheap and did a few mods, wor...   Dec 4 2024, 03:47 PM
mlindner   Perry is the guy. He will build the harness just f...   Dec 4 2024, 03:19 PM
Cfletch   Thanks for all the guidance everyone! Its got ...   Dec 4 2024, 04:12 PM
JmuRiz   Works for me.   Dec 5 2024, 01:36 PM
SKL1   I'll be in the same boat here when my '71 ...   Dec 5 2024, 02:55 PM
mb911   I'll be in the same boat here when my '71...   Dec 5 2024, 03:12 PM
scrz914   I’m at this stage of my 3.0 project as well ( I ...   Dec 5 2024, 07:20 PM
Cfletch   I’m at this stage of my 3.0 project as well ( I...   Dec 5 2024, 07:27 PM
930cabman   I’m at this stage of my 3.0 project as well ( I...   Dec 6 2024, 10:32 AM
scrz914   Not a bad idea to go with a new alternator anyways...   Dec 5 2024, 08:10 PM
mlindner   Thats what i did, got rid of the board, newer alte...   Dec 6 2024, 06:23 AM
mb911   Just to clarify you can run an external regulator ...   Dec 6 2024, 10:15 AM
JmuRiz   What's the current go-to for alternator. I ha...   Dec 6 2024, 10:45 AM
sixnotfour   Note; Changing Alternators, sometimes requires a d...   Dec 6 2024, 11:19 AM
scrz914   “Note; Changing Alternators, sometimes requires ...   Dec 6 2024, 03:25 PM
mepstein   “Note; Changing Alternators, sometimes requires...   Dec 6 2024, 04:18 PM
mlindner   And for some reason you have a later fan housing a...   Dec 7 2024, 06:25 AM
Luke M   I removed the relay board in my brothers 6 convers...   Dec 7 2024, 07:19 AM
Cfletch   Circling back here, I got ahold of Perry and he is...   Dec 8 2024, 03:53 PM
scrz914   Looking forward to another conversion on the road....   Dec 9 2024, 11:26 AM
IronHillRestorations   I’m here to help anyone with their 6 conversion ...   Dec 10 2024, 07:55 AM
Robarabian   I would love to see a walk through of how to elimi...   Dec 10 2024, 07:39 PM
930cabman   I would love to see a walk through of how to elim...   Dec 11 2024, 05:51 AM
IronHillRestorations   I would love to see a walk through of how to elim...   Dec 11 2024, 07:55 AM


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