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Old January 16th, 2009, 05:50 PM   #165
1TFROT
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Join Date: 01-04-09
Location: chi-town
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probably all in the tuning. I also have the 4"MBRP which I'm sure helps.

I really can't get mine too hot on the tow setting (80hp extra) when towing my rig/trailer which weighs about 7500#. it maxes out probably around 1250-1300*

now the hot setting is a different story. I can tow with it (if I don't care about fuel comsumption ), but only here in the midwest. it would get too hot pulling larger grades like in the mountains.

I DD with the hot tune which is around 580-590hp (about 485ish at the rear wheels)
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