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  1. Racebox

    Z1 Differential

    Hello, We went ahead and threw the OEM Performance LSD on our Sport Z . Paired with the Z1 Differential brace, cover, and solid diff bushings, that OEM LSD can handle a pretty good beating.
  2. Racebox

    Does anybody know which wire is power for the fuel pump?

    Glad we could be of help! Unfortunately, the car does have to run all of that excess fuel out of there before it can shut off. Which, in the case of a car thief these days IS sketchy! Hopefully someone has gotten back to you by now. Our response time during the work week is same day. Please let...
  3. Racebox

    Does anybody know which wire is power for the fuel pump?

    There is only the single LPFP, the car will run for a few seconds from the fuel in the lines pushed through by the HPFP. Our anti-theft map cuts fuel at the injectors allowing the car to not start immediately rather than to just run dry on fuel.
  4. Racebox

    Does anybody know which wire is power for the fuel pump?

    Yes, no issues tuning on a stock system. But higher charge air temps/elevation/da do result in less power. If temps are cool, heat soak isn't a big concern.
  5. Racebox

    Does anybody know which wire is power for the fuel pump?

    Absolutely. So this isn't anything that would need installation, just a flash. We include anti-theft as one of the 4 offered maps for our custom tuning. Down here in Houston we have a lot of the same issues with theft, so we offer this as an option to our customers. This would be integrated into...
  6. Racebox

    Does anybody know which wire is power for the fuel pump?

    Also, may we ask what you are installing the kill switch for? If you are looking specifically for an anti-theft alternative, something similar can be tuned into the car via custom tuning. This is one of the map options we offer our customers who may be looking into theft solutions.
  7. Racebox

    Does anybody know which wire is power for the fuel pump?

    Fortunately we have access to Alldata. When we were changing the fuel pump and relay, we were able to get the diagrams from there. Here is the diagram we used for this:
  8. Racebox

    Does anybody know which wire is power for the fuel pump?

    Good afternoon, That green wire there should be your power.
  9. Racebox

    Catch Can Thoughts

    What you said is all correct. We still recommend getting an oil catch can as it keeps the intake clean and helps against carbon build up in the manifold and valves (beneficial since DI doesn’t clean the way PI does). Just make sure to be careful about boost leaks when installing an oil catch can.
  10. Racebox

    Do you go by milage or system for fluids?

    Absolutely, 5000 is what we would recommend for a non tuned vehicle.
  11. Racebox

    Does anyone actually want an automatic?

    We do! Solely for drag racing/ tuning RND with these vehicles. Much faster and great for consistency when it comes down to numbers.
  12. Racebox

    Do you go by milage or system for fluids?

    Absolutely by mileage, we recommend our tuned customers to do a fluid change every 3,000 miles for oil and every 10-15k for transmission fluid. It sounds excessive, but being aggressive about your maintenance- especially in a tuned vehicle is of utmost importance for longevity. In our experience...
  13. Racebox

    Another VR30 Belt Slip Solution!

    VR30 Upgraded Anti Jump Pulley Kit (16+ Infiniti Q50/60 & 23+ Nissan Z) A closer look at the Racebox X NonStopTuning pulley kit we dropped yesterday! Replace the plastic OEM idler and tensioner pulleys with these to prevent the notorious belt slip issues on your VR30 vehicle. The upgraded...
  14. Racebox

    Preferred Gas Station - What’s Yours?

    Shell premium when we cant get our hands on E85!
  15. Racebox

    Texas members gather here...

    Thank you for the thread invite! We're a shop local to the Houston area just off beltway 8 and Ih-10. We specialize in the VR30 motor specifically, so of course we had to get our hands on a Z!
  16. Racebox

    We're Local!

    :)Hello everyone! We realized that we've made posts just about everywhere but HERE! Just popping to to say that we are local to Texas- Houston area! We offer tuning, maintenance, and parts install services, but most importantly, we're here to support and be active in the community! If you're...
  17. Racebox

    Video: Ambient Lighting in Action

    This is NICE! We need this in green for ours😲
  18. Racebox

    Fixes for the Katana?

    We wrapped ours black!
  19. Racebox

    Prices coming down, anybody getting under MSRP?

    We got ours under MSRP back in July. Only after one of our employees called dealerships all over the country! We ended up flying all the way out to Maine and driving it back down to Texas. Still cheaper than paying markups, and it was a great break-in/ familiarization period with the car. We've...
  20. Racebox

    Hatch Half Unlocks?

    Ours does the same, we just hold the rear hatch button and open it at the same time. Mildly annoying LOL


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