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Is there a difference other then the obvious? Thinking of shaping out my 04 4x4 QCLB to a QCLB frame

what can cause a 48re to go in to tow/haul mode on its own? cruising at 70, and the dash light for tow/haul came on and it kicked to 3rd, then went out, and back to 4th. any idea's? starting to wish i got a manual... thanks in advance

today i have had my 5th speed sensor go out in 1 year/36k miles, fluids been changed every 10k, minimal dust in the pan. 2 have actually thrown codes, all changed because of erratic shifting. anyone else having this problem? or solution?

Ive tried google, and the search on here, and so far no luck. i had a ticking noise in the left front of the truck, that varied with speed, everything was tight but the u joint on the shorty axle, so i need a new one, are there any viable upgrades or is a stock one fine? thanks in advance

is there a after market option for replacing the factory Y link? if not, how hard would it be to make a 2 link set up with DOM tubing and uni balls/hiems? open to

is there anything special about this motor vs the SO and HO versions? other then a lower compression and the piston oil squirters? Thanks!

truck seems to hesitate when shifting 2-3, all other shifts are fine. Trans was built 3k miles ago, and this is my only issue...any suggestions? Thanks in advance

i had the trans rebuilt about 2k ago, i was out playing in tow/haul (3rd gear, locked) now when i drive it it will drop the gear and act like its in neutral, does it more often if its warm. it had to be rebuilt because the TQ convertor let go, all the external sensors were replaced. is there...

is this function vin locked also? or can it be used for differnt trucks?

the truck came up with a knock over the weekend, took it to a buddies shop and confirmed it was a wrist pin that was going out...my question what should i have done wile the head is off? later plans involve twin and a lot more fuel stuff so far o rings/HG studs injectors cleaned/checked port n...

how big is this turbo exactly and how much fuel would be needed to run it? im currently makeing in the 450 RWHP, truck is a 04, thanks in advance guys

havent had the truck on a dyno yet but ran 14.8@90 curent mods are: banks CAI, afe elbow, 4" turbo back, 90 sticks, edge with juice. stock lift,cp3,turbo. this sound about right for the mods? a airdog 150 is goin on later in the week, but would like some input on what to do next/expect...

looking to sell a G56 outta a 05, 4x4 trans has 40k on it. also have a southbend DD clutch with 4k on it, hes planing to do a auto swap. serious offer please, i will pass them along. located in 91941

i have a 04 QC doin around 500hp, truck has 90sticks, edge (swapping to a smarty), banks CAI, afe intake. studs, o-ring/fire ring will be done before install what would be the best single turbo? or would it be worth it to just spend the money and do a twin set? i would like to build it up to...

i pul in a set of 90's on my 04, all went well till i go to start it, it sounds like a exhast valve is staying open....ive recheccked everything, rod, rockers ecet and nothing seems outta place. it runs, just very rough, any idea's?

hi guys, i have a 04 Cummins 2500 4x4, currrently putting out 463 rwhp. she runs in the mid 8's in the 1/8, tunner says i run a 13.9 at 127.i have been into diesel now for about 6 years now(22 now). im really looking forward to meeting you guys and share some advise on some biger numbers...