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Registered
Join Date: Aug 2015
Location: Cologne / Germany
Posts: 687
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1. Your Residual Pressure is simply not present, means you defenitely need a new fuel accumulator, as actually this affects cold starts extremly
2. As you mention your engine is a 1980 US model, does it still come with a proper working lambda system? Does it work fawlessly?
https://nineelevenheaven-wordpress-com.translate.goog/der-911-us-sc-3-0-motor-mit-g-kat/?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=de&_x_tr_pto=wapp
(Still in german and here google translator used. English translated version of this website is coming soon)
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911 SC 3.0, 1982, black, US model – with own digital CPU based lambda ECU build and digital MAP based ignition control
All you need to know about the 930/16 and 930/07 Lamba based 911 SC US models:
https://nineelevenheaven.wordpress.com/english/
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