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Run on
https://www.slantsix.org/forum/viewtopic.php?t=22703
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Author:  icaneat50eggs [ Fri Apr 13, 2007 12:03 am ]
Post subject:  Run on

I just drove my 68 d100 up to Canada this week. It has a problem where after exiting the freeway(or freeway speeds) and stopping, shutting the engine off, it has a tendency to run on and then backfire. Even when just shutting it down after driving around town it wants to run on. It has a supersix with the holley two barrel. What could be causing this? I can post pics of the carb tomorrow.

Author:  slantzilla [ Fri Apr 13, 2007 5:05 am ]
Post subject: 

What are your timing and idle speed set at? There is a tendency to speed the idle up with the speed screw to compensate for the timing being set late. The wider opening of the throttle plates leads to the run-on. :shock:

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