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  1. D

    Lmm stand alone?

    Short and simple. Will a lmm ECM run without a BCM? Does the ECM require a 12v crank signal?
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    Wanted: LMM Cab/chasis dual tank tune

    Hey guys, wondering if anyone has a lmm cab and chassis tune with dual tanks they would be willing too email me? Please and thanks!
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    EMF upgraded tierods

    Held a set of these the other day. Put my old kryptonite,Cognito, and fabtec setups to shame. Anyone here that's familiar with off road I'm sure has heard of Evo joints. Anyways, I haven't ran a set yet, but the look really nice in person and rebuildable...
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    Lb7 fuel level circuit pin out?

    Throwing p0463. New sending unit no change. Wondering if someone has the PCM pin out so I can check the wires between unit and PCM before I tear into it deeper. Thanks
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    2015 run away

    Sure it's already been posted but...Intersting to know what the cause was. https://m.youtube.com/watch?v=xRG_T580Heo&feature=youtu.be
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    Return line test question...

    Lmm, doing a simple bottle test. With line ran off of main return at back of motor it will pour fuel out with motor off, while u push the primer on the filter housing. Normal? Trying to figure out a low rail issue...
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    Turbo rebuilds, where to buy?

    My s400 is leaking oil. Where do you guys buy new seals? Is it just a given to replace bearings while apart? Any brands to look for/stay away from? School me please!
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    LMM nav won't turn on/blue screen

    Hey guys, I have a 09 LMM and the nav/radio won't turn on. When you start truck up it will power up and go the the gmc screen. Then it goes to a blue screen with only the time is displayed. Won't play radio/do anything. Any ideas?
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    Used performance parts value?

    Hey guys, thinking bought selling some used go fast parts but not sure what they are worth? Obviously only what someone is willing to pay but I'd like to get a ball park value. Used carillos, arp main studs, ATS twin cp3(lbz) with lbz pump. Rods are from a broken crank engine, at a local shop to...
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    Fuel additive

    Drinkin. Talking to a buddy about fuel additive and its benifits. Someone just asked about running two stroke oil and a member posted a link to results of about 15 different additives an there effect. Can't find it now tho. Anyone got it? #7 was Walmart 2 stroke Thanks!
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    Return rate quantity

    Lmm, brand new cp3, ppe race valve(tested, does not return any fuel), injectors replaced twice with used ones.... At idle pressure follows right with commanded. Go for drive at hits 100mpa and then starts falling. This is with factory supply line or out of a Jerry can strait to cp3(bypass filter...
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    Insight PID list?

    Simply running out of room for gauges in my truck. Insight looks to be a good option. I need to monitor Engine oil temp an wondering if There is a PID for this? Having 2 boost gauges, egt, drive pressure, and rail psi don't leave me with much options for another gauge
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    Pulling motor and tranny

    I've always pulled either or, but this weekend I will be removing the complete power train from my truck. Wondering if anyone has pulled the motor and Allison together? I was thinking I'd drop tcase. Truck does have a 6" lift so crossmember/axle clearance is slightly better.
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    Kodiak converter choice?

    What are some guys opinions on converters for these trucks? Treat it like a pickup? Typical tranny work, lb7, fairly warm efi live tune. Tows max 10k lbs.
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    GMT800 rear slide window?

    Does anyone have a lead on an oem manual slide window for gmt800 body style? Looking to do the power slide window update. I have found the gm conversion kit but I need to find the complete rear glass to mod. From what I have found I need gm part #12487700. I can find aftermarket 3 price windows...
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    Wish you never built your motor?

    Anyone wish they would have stayed at 500-600 hp?
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    Two tone

    Trucks getting some new paint threw insurance. Hood roof more less whole passenger side. Crew short black gmc. Right now is debaged and black on black. Was thinking bout keeping the bottom black and doing top half something. I'm pretty open on colors(not really a green guy). Guys got ideas/pics?
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    Unit bearing without cv installed?

    Possable? I have removed axle shafts on jeep unit bearing front ends, unit bearings separated at high speed. Does the axle shaft keep duramax front bearings together?
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    Triple turbo choice

    Lbz. Twin stock cp3. 60%(will go bigger if needed). Looking for a steerable 800 whp. Running 1.32 t6 96mm s475 over stock right now. I want to go to triples just cause. I really want to retain my turbo brake. I tow quite a lot. For the most part nothing over 12k but tow my toy hauler couple...
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    6speed oilpump/seperater plate in 01 bellhousing

    random question. possable to run a 06-07 oilpump housing and seperator plate in a 01-02 bellhousing? plates apear to be similar(but not identical). wish i had a 06 bellhousing to compare.
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