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  1. 9

    Help: Identify this Bilstein shock - 33186542H7

    I bought a lightly used pair of Bilstein 5100 shocks that were supposed to fit my 2002 GMC 2500HD w/ 7" lift. However, they don't appear to fit, and I'm not able to find much information on them. The part number on the shock bodies themselves is 33186542H7 and when I spoke with Bilstein US, they...
  2. 9

    Info: Recommended diesel shop in Denver?

    Hi guys, Does anyone have a recommended diesel shop in Denver?
  3. 9

    Question: How can I enhance my towing experience?

    I have a 2002 CC/LB 2500HD w/ B&W Class 5 hitch. It has a PPE Stage V transmission and EFI Live tuning from IdahoRob. I have AirLift bags and BDS springs in the rear, along with a weight distribution and sway control setup for the trailer (enclosed 8.5x20). I'm running E load rated tires...
  4. 9

    Question: What traction bars should I get (if any)?

    I've seen this topic pop up every now and then, but I'm interested in bars for my particular usage. I don't sled pull or drag race; usually, I'm hauling something or pulling a heavy trailer. I've been getting some axle wrap and was told my local shop to think about some traction bars. My truck...
  5. 9

    Help: EFILive Code $0537: Controller is locked with a custom key

    Hello everyone, I can't seem to flash to a new tune due to code $0537. Any ideas? Backgound: Truck: 2002 GMC 2500HD w/ LB7 & Allison 1000 I first flashed the truck in late 2011 with a DSP5 tune. I flashed the .tun file using v7.5 and it ran well except my A/C wouldn't turn on...
  6. 9

    Question: What converter is this?

    I recently had a PPE Stage V kit installed and I noticed the converter is painted black on the cover and it looks unpainted on the other side. All of the PPE Stage V kits I've seen come with the white converter. The converter I have looks exactly like this one...
  7. 9

    Help: EFILive Code $0537: Controller is locked with a custom key

    Hello everyone, I can't seem to flash to a new tune due to code $0537. Any ideas? Backgound: Truck: 2002 GMC 2500HD w/ LB7 & Allison 1000 I first flashed the truck in late 2011 with a DSP5 tune. I flashed the .tun file using v7.5 and it ran well except my A/C wouldn't turn on...
  8. 9

    Question: Can you hurt a built transmission with a 5th to 4th downshift?

    Previously, on my stock transmission (5-speed Allison), you could easily get it to limp with the 5 to 4 downshift. I've since had it built up and I'm curious to know whether I need to worry about a WOT 5 to 4 downshift now. Also, thanks for the recommendation Bustedknuckles! I picked up...
  9. 9

    LB7: Filter head assembly leaking after lift pump install?

    I recently had a shop install a lift pump (Airdog II 165) and after the install, they said they could not get the filter head to stop leaking and bypassed it instead. It seems like the general consensus on the forums is "LB7s need all the filtration they can get" and the factory filter should...
  10. 9

    Question: What else to install for a high mileage transmission rebuild?

    I've got a truck with 208k miles and the transmission is not the one that it came with originally. However, it's showing signs of slippage when pulling a trailer and I'm finally going to install the PPE Stage V kit that I've had for a while now. I'm going to assume the transmission is a 200k...
  11. 9

    Question: What is a good full rebuild kit to purchase if I already have a PPE Stage V kit?

    I have a transmission that may or may not (bought the truck used and it does not have the original trans in it) have 200k. I also have a PPE Stage V kit sitting my garage. In previous threads, I've seen Mike L recommend all new torrington bearings and everything else not included in the...
  12. 9

    Which LB7 down pipe should I pick up?

    I plan to do a transmission swap in a month or so and I'd like to throw in a down pipe while I'm in there. Do you all have any recommendations? I tried a Pro-Fab pipe previously and could not get it to fit well. Looking for something different. I remember some of the other vendors/shops...
  13. 9

    Question: What is this noise?

    A few months ago, I'd hear an occasional clicking from the driver's side axle. I thought it was a CV eventually going bad. Then I started towing a trailer, and it got worse - very loud clacking (assuming from the extreme CV angle created by the heavy tongue weight of the trailer). When it was...
  14. 9

    LB7: Looking for shop recommendations in VA/MD/DC for LB7 injector swap.

    Hey guys, do you have any recommendations for a shop in the VA/MD/DC area to do an LB7 injector swap?
  15. 9

    Question: Would a PPE Stage V kit be fine for a tow rig?

    I plan to pull a small (5000 lb loaded) trailer. Would a PPE Stage V kit in my 2002 2500HD have any negative effect on the truck's towing abilities? Sorry if this has been asked before.
  16. 9

    Question: A/C compressor clutch not engaging - ideas?

    Hey guys, Turned on the A/C and noticed it wasn't blowing cold. I took a peek at the compressor and the clutch doesn't engage. I've read that it has a built-in safety switch that does not allow the compressor to run if it is low on refrigerant. I'm going to be checking that here shortly, but...
  17. 9

    LB7: Up pipes worth the money?

    Hi guys, While the trans is out, I'm thinking about doing up pipes/down pipe. Are these mods worth the money? I currently have an intake, straight 5" exhaust, and a DSP5. The trans will be built before it goes back in.
  18. 9

    Question: LLY to LB7 Allison - what needs to be done for the swap?

    Hey guys, I'm interested in an Allison that was previously used in an LLY-equipped truck. I have an LB7. What modifications need to be done to the transmission for use in my LB7? Thanks!
  19. 9

    Question: AD II 165 vs AD II 200?

    Besides flow rates, are there other differences between the AirDog II 165 and AirDog II 200?
  20. 9

    Question: Good Duramax shop in NoVA/MD?

    Hi guys, I was wondering if any of you had any recommendations as far as Duramax shops in the Northern VA/MD area? I've got a possible water pump issue and I know they can be banged out in about 2-3 hours by a pro. I'd rather take it to a pro and pay 2-3 hours than try to find time myself...
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