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Sigurd's Avatar
 
Join Date: Dec 2000
Location: Norway / Merritt Island FL
Posts: 219
CIS without the computer

Can I get the CIS system to run without the computer? I have a 3.0 engine, 930/03 without a CIS system. I found a system for a Lambda equipped engine but I do not have the computer for it. Is it possible to get to work?

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Old 10-02-2021, 08:39 AM
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930/03 Engine........

Quote:
Originally Posted by Sigurd View Post
Can I get the CIS system to run without the computer? I have a 3.0 engine, 930/03 without a CIS system. I found a system for a Lambda equipped engine but I do not have the computer for it. Is it possible to get to work?


Sigurd,

The 930/03 motor did NOT come with the lambda system. You need to look for ‘78~’79 CIS unit with 39-mm intake runners (-4R), WUR-045/-069, FD-031, and other related CIS components.

Tony

Last edited by boyt911sc; 10-02-2021 at 10:55 AM..
Old 10-02-2021, 09:30 AM
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Tony, you forgot the word NOT between did and come in your first sentence…
The rest of your post is correct as usual.
He needs a 78/79 CIS system with the larger diameter runners.
The US Lambda CIS systems are not compatible with the 930/03 engine.
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Last edited by timmy2; 10-02-2021 at 10:02 AM..
Old 10-02-2021, 09:59 AM
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Good eye......

Quote:
Originally Posted by timmy2 View Post
Tony, you forgot the word NOT between did and come in your first sentence…
The rest of your post is correct as usual.
He needs a 78/79 CIS system with the larger diameter runners.
The US Lambda CIS systems are not compatible with the 930/03 engine.
Dennis,

Thanks for catching the mistake.

Tony
Old 10-02-2021, 10:59 AM
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Sigurd - You might think about replacing the CIS with an EFI ITB kit (since you are starting with nothing) if your local regulations allow it.

I know - heresy from a CIS lover - but if starting from scratch, then I do think that EFI is the way to go now...
Old 10-02-2021, 11:41 AM
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ROW '78 911 Targa
 
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Noticed you are in Norway.
Any CIS system from a European engine will work from 78 to 83 on your 930/03.
Just not the US/CDN/Japan Lambda systems.

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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.
Old 10-02-2021, 12:00 PM
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