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  1. DylOrr

    Oil pressure on start up; losing prime?

    I have a buddies truck I swapped a built motor in. I built the truck it was in previously and it didn’t have this issue, but it did sit for about a year before my buddy bought it. If it sits more than ~3 hours it takes 5-10 seconds to build oil pressure on start up, it even tripped the low...
    • DylOrr
    • Thread
    • Replies: 2
    • Forum: LB7
  2. DylOrr

    LLY $0101 after erasing

    I’m pretty sure I know the answer to this question already but I figured I’d ask. 2 different LLYs in one day both took the license and erased on the full flash and after erasing went $0101 and wouldn’t recover. There’s no serial or vin in them anymore and I can’t change the vin, mode not...
  3. DylOrr

    LB7 Build

    I figured I'd make a post about a truck we are building for a buddy of mine. He is on here, his name is Matt (Average_Ass_Lb7). It's gonna be a little long winded but hopefully we can get some good information in here as going into this whole thing I could never find much information on...
  4. DylOrr

    Aftermarket Flexible Engine Dipstick

    I was wondering if anybody knows of an alternative for a dipstick tube for these trucks. I built a motor with the 12651877 block and with merchant mounts the dipstick wouldn’t go between webbing and the mount. I bent it differently last time but it was right on the starter and I had to wrap it...
  5. DylOrr

    Trans go converter valve- modifying for no knockdown

    I am putting billet parts and checking everything out in my buddies trans. It was already built by a fairly local shop. The truck is getting a decent build and will be around the 900-1,000hp mark. I usually modify the stock valve for no converter knock down. This one has a trans go valve in it...
  6. DylOrr

    Trans to transfer case gasket keeps blowing out

    Fresh rebuilt transmission. Put 30 miles on it and it started leaking between the trans and transfer case. The gasket was hanging out and the bottom nut was snug but not as tight as it should’ve been. Put a new gasket in, another 30 mile drive and the same thing happened again. Is it something...
  7. DylOrr

    O-ringing block

    Im wanting to be 100% sure everything is right on this build. Ive never o ringed a block on a duramax. Done a few fire rings on Cummins. Anyways, ive done my research. 4.42 ring centerline, .041 stainless wire, .039 width, .036 depth, found in a previous thread. My question is what gaskets do i...
  8. DylOrr

    Doweling main caps

    I'm doing an engine build and im wanting to dowel main caps on the block. The machine shop that does all my work, as well as all my local engine machine shops, dont have the tooling required to do it. I have a couple local machine shops that are confident they have the required machines to do it...
  9. DylOrr

    LB7 reverse issue

    Im having an issue with an 03 LB7. It goes into reverse then immeadiately kicks out into a neutral. If you touch the throttle it kicks in really firm and the second it goes back to idle it kicks out of reverse. There is no codes, checked with tech 2. It finally gave me a range shift inhibited...
  10. DylOrr

    Post CP3 swap - won't stay running p0087

    Working on my dad's truck. He lost the cp4 in it, 2011 single tune with 5" exhaust at 230k miles. The cp4 locked up, cracked the gear, and split the pump in half. Put a used lb7 cp3 in it i had laying around here and deleted the egr while it was all off. Got a new tune. There wasn't any metal on...
    • DylOrr
    • Thread
    • Replies: 18
    • Forum: LML
  11. DylOrr

    Lost 5th gear

    Buddy has an 03 zf truck. This last weekend he was driving it and went to go to 5th and there was nothing. Pulled back on the shifter a little harder and 5th gear is there just off a little. Roll pin in shift rail or shift fork? I'm not too into these transmissions but can the rear cover be...
  12. DylOrr

    No start after engine build/ lly into lb7 swap p0340 u1000

    So I have been messing with this truck for a couple days and I'm stumped. It's a 2003 and swapped it to a lly top end and harness when we built it. We did away with all of the glow plug wiring and controller when we built it. Getting p0340 and truck won't start. Started out we couldn't get...
    • DylOrr
    • Thread
    • Replies: 5
    • Forum: LLY
  13. DylOrr

    Y, J, or K Goerend

    My brother is in the process of building his truck. We are about to start assembling the engine. But he is going to order a goerend converter. Billet t4 s475 single, maybe an s476sxe in the future or now if he sells the 75 150s Dual pumps Possibility of 69sxe,88sxe twins in the future...
  14. DylOrr

    Immediate coolant pressure

    I bought a lbz engine out of a salvage yard for a truck. I rarely see any of them come in with troubles because normally a truck has to be running to wreck it. Only one I've ever had a problem with I come to find out the salvage yard runs them on starting fluid. Anyways, the engine I bought...
    • DylOrr
    • Thread
    • Replies: 2
    • Forum: LBZ
  15. DylOrr

    LML short block in LBZ

    I hope I posted this in the right section. Anyways, I purchased a truck that has extensive block damage that I wasn't expecting. I have an LML short block sitting here I was going to put in it. I know the oil drain on the rear cover is different, and the spacing of the front cover is different...
  16. DylOrr

    LLY into 2005 Suburban 2500 Questions

    To start out, I have been doing tons of research and reading everything. The only thing that has me worried is the electrical part of it (CC,WTS,Throttle Pedal(maybe?)) I already have my donor and my suburban. The donor is a 2005 LLY basically without a body, but I have a cluster, 4x4 switch...
  17. DylOrr

    converting 2wd 6 speed trans to 4wd

    I'm purchasing a parts truck that is 2wd, and I am needing to convert the trans to 4wd for my use. I have a spare 5 speed for parts and I was wondering if I can unbolt the tail housing out of the 5 speed with the output shaft and planetary on it and swap it onto the 6 speed. Thanks
  18. DylOrr

    Range shift inhibited when warm

    Here's the deal. I had a suncoast 5 and it always did range shift inhibited when it was cold and wouldn't go into reverse and would be stuck in 3rd or 5th gear. I never really did anything about it because if I let the truck warm up it was fine. I managed to get a good deal on a suncoast gmax...
  19. DylOrr

    9000xl's and launch setup

    I'm going to race next weekend at Byron and I got 9000xl's and I was wondering if anybody has experimented with settings for which one launches best. I also have the overloads removed and caltracs in the middle hole with a turn of preload. Is there anything I can do/change to squeeze just a...
  20. DylOrr

    Havana, IL Diesel 1/8 mile drags

    The central Illinois dragway is having a diesel only drag race June 30th. It's a 1/8 mile track. They said they are looking at $800 payout. They are only doing bracket racing. Oughta be a good time and they said if there is a good turn out they will have another one with more classes and bigger...
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