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I would rather be driving
Join Date: Apr 2000
Location: Austin, TX
Posts: 9,108
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The issue with cold start is more air flow. your RSR cams with narrow lobe centers and high overlap exasperate the inefficient combustion issues that cause low airflow. You can enrich the mixture on cold start - but this just keeps it running. It does not increase the idle speed. You can increase the ignition advance (to a point) and this will add some rpm but not enough to get you to a high enough rpm.
Low rpm cold start needs more airflow. This is done by your right foot, hand throttle or some external idle valve.
There are different ways to accomplish the last two on the list above.
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Jamie - I can explain it to you. But I can not understand it for you.
71 911T SWT - Sun and Fun Mobile
72 911T project car. "Minne" - A tangy version of tangerine #projectminne
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