has any one stacked xrt and mp8?

reed6.7cummins

reed6.7cummins

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Joined
Sep 6, 2009
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108
i tryed and my truck wouldnt start then when it did start it had max rail pressure so i took it back and they thought it was a bad box it kinda scared me so i just returned it instead of getting a new box anyone else have this problem or know anything about this??
 
I have my XRT stacked wit a power puck and runs like a rapped ape! Im usually running the Mild turbo Tune 120 and puck at about 75% thats where it likes it. Stock fuel system to boot.
 
yeah i didnt try turning my xrt down i run 175 hot damn with aggresive turbo tune but whats your rail pressure run with that????
 
I run the mp8 with my blackmaxx ,but be warned there can be consquences to doing so especially with no head studs It does make the truck a little more power however
 
Ya i know im on limited time lol witout studs but she has a hair over 80k tuned wit the puck and no issues yet (knock on wood) in WY i cant pull over 35psi now back home in MO i spike at 45psi and she will drip to bout 38 and hold and pull like a mother
 
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