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e170drvr e170drvr is offline
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Join Date: Sep 2006
Location: Evansville IN
Posts: 261
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Dsiegel, if you have an 88 US model I believe you have the same dizzy as my 87. The way I understand it the on off switch serves as a warm up function, on cold start the switch doesnt allow vacuum to see the retard port of the dizzy causing a rise in rpm for a few seconds after start then the switch opens allowing vacuum to the dizzy retarding the timing at idle. once you step on the throttle that vacuum is gone. Someone please chime in if I have this wrong.
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87 930 Coupe Red, K27S, Kokeln IC, Rarlyl8 Headers system, Tial 46MM, .9 Bar. "Lola"

81 911SC Coupe Guards Red, Stock. "Zippy"

Last edited by e170drvr; 04-20-2008 at 08:44 AM..
Old 04-20-2008, 08:41 AM
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