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Search results

  1. Quadstar Tuning LLC

    Hummer p0216

    Scan "Desired Timing" "Actual Timing" and "TDCO or Top Dead Center Offset" before you change anything. See if Desired and Actual match and note the TDCO value. Then, put it into re-learn and see if the TDCO value learns differently. If the pump needs moved, you'll know after it tries to learn...
  2. Quadstar Tuning LLC

    99 6.5L Stalling out, tried "everything"(?!)

    I noticed you said you replaced the tank sending unit. Did you verify it came with the correct strainer sock during install? This is a big issue on this platform with the replacement parts because no matter how good your lift pump is, it can't work if there isn't enough fuel getting to it.
  3. Quadstar Tuning LLC

    Hummer p0216

    You have to physically move the pump to set base timing/TDCO. It's a mechanical setting that gets learned into the computer.
  4. Quadstar Tuning LLC

    99 6.5L Stalling out, tried "everything"(?!)

    I just did a '95 K3500 dump for a customer. It had the same exact symptom where it'd idle all day long but would die as soon as it was up to temp and you tried to put any sort of load on it. It required a full injection pump replacement which we did with our ULSD upgraded pump, however, we...
  5. Quadstar Tuning LLC

    Hummer p0216

    PO216 is timing control circuit which deals with the stepper motor on the injection pump. I'd be using a scan tool to watch desired vs actual timing. My initial thought is that it's not able to achieve the correct timing advance on cold start so it tosses the code. It could also be that the...
  6. Quadstar Tuning LLC

    Low boost despite upgrades.

    A 60/64/14 with a 6 blade comp and 10 blade turbine would be the "Super 40". You really want the 10blade turbine wheel with that 14cm T3, trust me. Is it twin scroll or open?
  7. Quadstar Tuning LLC

    Low boost despite upgrades.

    What are the details on your turbo, exactly? "I'm running an HX40" is open to much debate on actual specs and how it'll perform. If it's the CKO version, it's running exactly like I'd expect it to (poorly)
  8. Quadstar Tuning LLC

    OTC SCANNER AND WHERE THE TUNE NOW SETS

    If it stalls after you move it and command a learn, that means it's too far to the passenger side.
  9. Quadstar Tuning LLC

    OTC SCANNER AND WHERE THE TUNE NOW SETS

    That's showing you are at max advance TDCO of -2.50. That either indicates a failed crankshaft position sensor (CPS), or the pump is already rotated too far to the driver side. If it visibly looks oriented to the driver side, it's time to rotate it back to a more vertical position. "It" = fuel...
  10. Quadstar Tuning LLC

    P400 Progress

    The pump he got is a Raptor (pump only). It's not the style you are thinking of which has everything integrated into one unit like a FASS Titanium or Airdog or Airdog-II
  11. Quadstar Tuning LLC

    P400 Progress

    Oh boy, you are new to fuel systems! You still need all the injector and injection pump return lines. Those are a separate part of the system. The Raptor pump instructions are talking about a return straight from the fuel pump to the tank. Some larger pumps have a dedicated return and...
  12. Quadstar Tuning LLC

    P400 Progress

    Your pump guy can educate you on this subject and get you what you need (I know him :cyclops:). Yes there are a few solid options for integrated dual purpose filters.
  13. Quadstar Tuning LLC

    P400 Progress

    The heater is solely for water separation, remember. It de-crystalizes water molecules so the dual-purpose filters can separate them. I run the whole shebang. I've never drained water over the past 250k miles but you never know what kind of junk fuel you may come across one day if you plan on...
  14. Quadstar Tuning LLC

    HOME MADE WASTE GATE SYSTEM AND P0236 CODE

    PO236, 237, 238 and P1656 are the ones that should be tuned out and properly re-mapped in the PCM for a mechanical wastegate setup. The boost curve is dynamic per RPM and fuel rate in a stock tune and you should expect to trigger the codes and experience de-fuel even if you have your spring...
  15. Quadstar Tuning LLC

    P400 Progress

    I was wondering if you had a thread. I'll be watching for updates now! ^I was literally going to post the same thing Nate just did about the fuel pressure. I'd try to talk you out of a stock FFM before you run it too hard but it'll be fine to get up and running.
  16. Quadstar Tuning LLC

    2000 obd 2 to 95 obd 1 ???

    It's pretty easy to convert if you have moderate automotive wiring skills. As mentioned our 94 is OBD2 converted and we didnt have to do a harness swap. I'm also working on swap kits with Leroy depending what your timeline is.
  17. Quadstar Tuning LLC

    BRF fitting now available. www.leroydiesel.com

    Nice piece for owners that just want to buy it and be done. Good to see it available individually. I don't have any heat issues. It gets cold here too. Sent from my HTC6525LVW using Tapatalk
  18. Quadstar Tuning LLC

    optical sensor

    Yep verify hot idle fuel rate is 7-9 mm^3 Sent from my HTC6525LVW using Tapatalk
  19. Quadstar Tuning LLC

    Vacuum pump pulley

    With a power steering pulley remover tool. I have a couple pulleys if you need one Sent from Tapatalk
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