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Discussion Starter · #1 ·
Ok my 2002 auto cummins is stock from what I can tell...but heres what had me wondering since I got, I put a boost gauge in and Im seeing 28psi. I know these trucks are only supose to go to 20-22 before they defuel..Now im about to put a quad ADR on my truck and I not sure it someone maybe put a smarty/superchips tune on it, and i dont want to add my timing for the Quad box....what can i do to see if theres a tune on it?..I also have scan tools if they will help me find something out.
Thank you,
 

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Hemi
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12,651 Posts
If you want to make sure theres nothing in it the dealership can flash it back to stock.
 

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DieselAutoPower.com
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I wouldn't put a superchips on it. I'd think you could hook up a smarty and it'd spit out an error if it's flashed with a tune.
 

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Im not sure if Im going anywhere with this, but is it a possibility that it may have a boost fooler from quadzilla on it somewhere or maybe just a stock truck with a boost elbow that is allowing the higher boost #'s. Not sure if that was a possibility
 

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Hemi
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Boost numbers wouldn't go that high unless there's more fuel to spin the turbo.
 

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Discussion Starter · #6 ·
theres felcrow on my fuse box where someone had a programmer on it but its gone now so that shouldnt be doin it right?
 

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There is velcro on my fusebox too, I have been wondering the same thing. Also looks like I have a temp sending unit on my (manual) transmission and my exhaust manifold is tapped for EGT probe...
 

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Discussion Starter · #8 ·
I was looking at it today and theres a sticker on my rad suport that says"chrysler aproved something something..and it has TSB programer on it..what is that?
 

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any programmer will override whatever is on it. there can't be two programmers on the ecm at one time
 

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Discussion Starter · #10 ·
If thats true, how do people stack them then:confused013:
 
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