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Speedy Gonzalez
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Us cis system vs euro cis system
My 79 911 sc comes with U.S. CIS SYSTEM ,MY friend just recieved a EURO CIS System can anyone tell me the difference,if any.Thanks Tony
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04-07-2012, 03:59 PM
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The 78-79 intake runners are the same width as the ROW CIS. I'm not sure about the other components.
Read more here: CIS Primer for the Porsche 911
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78’ SC 911 Targa - 3.2SS, PMO 46, M&K 2/2 1 5/8” HEADERS, 123 DIST, PORTERFIELD R4-S PADS, KR75 CAMS, REBEL RACING BUSHINGS, KONI CLASSICS |
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04-07-2012, 06:32 PM
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Join Date: Jun 2003
Location: Calgary Alberta, CANADA
Posts: 2,113
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I'm pretty sure the runners are a bit longer Euro spec vs US. Reason for Euro having a few more ponies than the US.
The rest is the same. Also the WUR is different if I remember correctly. The downside is that finding pieces for the Euro are more difficult in the CIS distributor... Ah.. I still remember the joy of CIS... 
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We're all in the gutter,but some of us are looking at the stars. -Oscar Wilde |
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04-09-2012, 07:32 PM
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too many projects 1983 sc
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wrong listing
Last edited by 56 nomad; 04-09-2012 at 07:45 PM.. Reason: wrong listing |
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04-09-2012, 07:40 PM
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euro vs us cis
There are a few differences. The fuel distributor is different as well as the ignition distributor. There are also differences internally with pistons and intake port sizes on some of the years. Euro cars never had the ecu lampda setup , no cats.
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04-09-2012, 09:10 PM
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