Nightrider Technical Notes

2007 and Later HD Performance Upgrades

Posted by SP Mullen on 1/1/2007 to HD Tech Notes
The number of 2007-later performance engines is increasing. But Nightrider.com still recommends staying with fairly conservative upgrades.

2007 HD High Heat Behavior

Posted by Stephen P Mullen on 1/1/2007 to HD Tech Notes
This was our original analysis of the HD closed loop ECM done in early 2007. While we have learned a great deal since then, much has changed, some of terminology was less than ideal and even a few of our conclusions were not quite correct, but our analysis of the heat and how richening the mixture can dramatically cool the engine was indeed correct.
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