3rd Gen High Performance and Accessories (5.9L Only) Talk about Dodge/Cummins aftermarket products for third generation trucks here. Can include high-performance mods, or general accessories. THIS IS FOR THE 5.9L ONLY!

Does an 03 Need a Boost fooler w/Smarty?

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Old 09-14-2009, 06:16 PM
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Does an 03 Need a Boost fooler w/Smarty?

I have heard they dont and I had heard they do?
Old 09-14-2009, 07:10 PM
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nope, not to my undestanding.
Old 09-14-2009, 07:48 PM
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Just plenty of fuel needed...
If you plan on pushing it .
Old 09-14-2009, 07:50 PM
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Smarty will boost fool to about 44#s. If you are going to exceed that you will need additional fooling to keep from throwing codes. If you have the stock 03 turbo, 35#s is about as much boost as it will handle.
Old 09-14-2009, 11:09 PM
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Ok Thank you Guys, I push 50+ lbs but havnt seen a boost code yet.
Old 09-15-2009, 03:08 PM
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I did not think the ECM would give the codes until my year 2004.5, when the wastegate went electronic.
Old 09-15-2009, 08:44 PM
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Originally Posted by JP-4.5
I did not think the ECM would give the codes until my year 2004.5, when the wastegate went electronic.
Well you could be right, I have never seen a boost code and I have surpassed 60+ lbs. I also run EZ and TST which both do additional fooling.

BBRam on Cummins Forum told me he was throwing codes on his 03 @ 53 lbs. He is a reliable source imo.

I am not sure if a cel would accompany a boost code or not, maybe they clear themselves after so many key cycles, but I have not witnessed one on my truck.
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