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Search results

  1. Quadstar Tuning LLC

    Chinese 6.5 block

    We haven't done anything other than a visual inspection and storing it
  2. Quadstar Tuning LLC

    Chinese 6.5 block

    And TBH, we make the same assumption you do. These are the China foundry blocks and the seller is making the minimum order to get them, then distributing them in the USA. There's no data to come to any other conclusion. And, with the price point they are at, that's an acceptable reality.
  3. Quadstar Tuning LLC

    Chinese 6.5 block

    We have 2 of the ebay ones on-hand at our main location in PA. We got them to evaluate last year but then got so busy with the GEP stuff that we lost interest in them. Originally got them because we had some customers using them but haven't seen any long term results from them as projects got...
  4. Quadstar Tuning LLC

    Balancing the rotating assembly

    The Fluidampr is not a fix for imbalance, a common misconception. It is a device that protects against a wider range of harmful harmonics than a factory balancer does. Harmonics are created regardless of how the rotating assembly is balanced. If you balanced a factory build, haven't increased...
  5. Quadstar Tuning LLC

    Does any one know where to buy genuine Bosch 311 injector nozzles?

    There's a huge market gap for pumps, get on it and keep some trucks on the road! If you knew diddly squat about us personally then you'd know we'd actually praise you for starting a fuel shop if that's the case. Big fuel shops are dropping like flies or want to focus on newer more profitable...
  6. Quadstar Tuning LLC

    Does any one know where to buy genuine Bosch 311 injector nozzles?

    It's just a cost vs benefit deal. Close it in if you wish, we don't.
  7. Quadstar Tuning LLC

    Does any one know where to buy genuine Bosch 311 injector nozzles?

    It's called knowing how to run a business without a Chinese factory being able to read a forum post and pump it out for a fraction of the price. It's been successful and the handful of people with your mentality that we've had to leave behind doesn't keep us up at night. Anyone who wants a...
  8. Quadstar Tuning LLC

    Does any one know where to buy genuine Bosch 311 injector nozzles?

    The amount this platform fights itself is amazing. If you don't have a clue how to make a DS4 truck run well, just throw insults... We are used to it 😅. Anyways, about the nozzles this post was for. They are readily available just shoot us a message on here.
  9. Quadstar Tuning LLC

    Does any one know where to buy genuine Bosch 311 injector nozzles?

    You think you have it all figured out still. But you are all talk and no truck.
  10. Quadstar Tuning LLC

    Does any one know where to buy genuine Bosch 311 injector nozzles?

    Marines are all we run on fun builds. Consistently putting down over 400 hp on numerous trucks that are also logging over 20mpg. An injection pump with a brain and a short duration pulse is fun.
  11. Quadstar Tuning LLC

    Does any one know where to buy genuine Bosch 311 injector nozzles?

    We can supply Bosch (straight from the horse's mouth) 311 Marine nozzles by request. $45 each.
  12. Quadstar Tuning LLC

    Stuck in koko still

    If it was stuck in learn mode then you should be able to bump it out by unplugging the CTS sensor because the computer then would think the coolant temp is no longer above 170*F. This is a quick way to test your hypothesis. It should throw a TDCO out of range code if the pump needed moved. In...
  13. Quadstar Tuning LLC

    Ds4 fitting for fuel pressure gauge

    We put the pressure tap back at our fuel filter re-locations since the reverberation pulses back thru the supply line on the DS4 pump can kill gauges and electronic transducers. Be mindful of that if this goes directly on the injection pump inlet.
  14. Quadstar Tuning LLC

    Turbo has Gone out need suggestions

    Stock turbos do make that "tinking" sound in the exhaust housing. There's different NVH (noise vibration harshness) features built into it that cause that sound but reduce other bad sounds like vibrations and resonance thru the intake system. is worth mentioning in case you want to try and fix...
  15. Quadstar Tuning LLC

    Dyno results

    It has our Super 60 turbo and 6L90 transmission swap
  16. Quadstar Tuning LLC

    What’s the scoop with Heath Diesel?

    Where do we fit into your list? o_O
  17. Quadstar Tuning LLC

    Looking for 6.5 wiring harnesses

    We replied to your message, thanks!
  18. Quadstar Tuning LLC

    1998 6.5 shuts off past 170° f

    Have you tried another PCM yet? That'd be a lot easier than some other options to look at first. We've also had a couple that refuse to time properly or have errors like this so what we do is swap in a PCM from another truck that already has TDCO set on it. This prevents it from hunting for a...
  19. Quadstar Tuning LLC

    1998 6.5 shuts off past 170° f

    Nope, not in our experience. The computer can command a much higher fuel rate to keep it idling.
  20. Quadstar Tuning LLC

    Looking for 6.5 wiring harnesses

    We have a '93 Auto harness. Everything from the TCM, thru the firewall and forward.
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