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post #1 of 2 Old 02-15-2007, 12:44 PM Thread Starter Rookie
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I have a 2003 F250 6.0, i have added a K&N airfiliter and modified the air box, also have added Hyper tech programmer III. Iget about 20 mpg my problem is when i try to pass someone and give it gas the rpm goes to about 3000 but the truck does not respond as it should i here the turbobut not muck ppick up also if i stay on the gas it would start to smoke at the pipe when i let off the smoke clears and the truck runs great any ideas?
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post #2 of 2 Old 02-15-2007, 01:42 PM Rookie
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Talking I Dont think its a big problem


I think your problem is in your programmer
I use to have a Hypertec but I up gradded to a SuperChip custom,
excal.2 Its a custom tune by JMS there in Lucedale Ms.
you can see there site at or JohnsonMotorSports
My truck use to just blow the black smoke but I have put an airraid intake and magnaflow 4" stainless exaust and it dont smoke like it use to. but the power is still there. Well I hope I have helped you out some , go to that site and see what JMS has to offer you will have to have the stratagy out of your truck before they can make you a custom tune. Trust me you will love the differance.

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