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vendor supporter
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700 Posts
Discussion Starter #1
I am running my truck in the morning and wondering if it should be done with the tow/haul on or off and what type of difference it will make. Thanks Jason
 

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Senior Member
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2,612 Posts
when i dynoed mine last year i had a dyno tune for it
 

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Destroked
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1,658 Posts
No difference
 

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vendor supporter
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700 Posts
Discussion Starter #6
Thanks Tadd I will call you after I run it. Jason
 
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