Shaking when cold
Lead Driver
Joined: Jun 2007
Posts: 7,760
Likes: 27
From: Hampton, Maryland.
30 seconds on the GP's isn't enough oif you are loping/running rough. I can not stress the importance of the GP led mod in understanding how long the GP's can be energized. I would let them go 60 seconds to 2 mins before starting in anything below 25 degrees.
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HKusp
1999 - 2003 7.3L Power Stroke Diesel
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Apr 15, 2013 08:40 PM
ScottInTexas
1999 - 2003 7.3L Power Stroke Diesel
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Dec 3, 2009 03:53 AM
