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  1. 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...
  2. 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.
  3. 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:
  4. Does anybody know which wire is power for the fuel pump?

    Good afternoon, That green wire there should be your power.
  5. 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.
  6. Do you go by milage or system for fluids?

    Absolutely, 5000 is what we would recommend for a non tuned vehicle.
  7. 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.
  8. 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...
  9. 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...
  10. Preferred Gas Station - What’s Yours?

    Shell premium when we cant get our hands on E85!
  11. 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!
  12. 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...
  13. Video: Ambient Lighting in Action

    This is NICE! We need this in green for ours?
  14. Fixes for the Katana?

    We wrapped ours black!
  15. 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...
  16. Hatch Half Unlocks?

    Ours does the same, we just hold the rear hatch button and open it at the same time. Mildly annoying LOL
  17. Possible issue with cold idle?

    Normal! When the car cold starts it has to heat the o2 sensors and cat. It goes into a cat heating mode which retards timing and it is roughly aiming for fuel as O2’s arent reading and it’s not in closed loop fuel yet. That takes about 5-10 seconds. The car then settles down in closed loop on a...
  18. Racebox Shop Z In-Depth Review and Ride-Along

    Absolutely, for a stock turbo VR30 this car pulls. You can kind of get a good feel for that in these videos: We got some good runs in with a small variety of cars here in Mexico ranging from DP/E50 340i to 1000hp Trackhawk. (keep in mind power to weight) These cars have potential. Can't...
  19. Racebox Customer Forum

    As far as I know (from the employee who actively hunted for ours) there should be one left in TN (given it hasn't been purchased already). Part #38301-EL25E. The only other available LSD for sale that we know of is on Ebay, which you can tell by the solid bushings is off our old Z. We do not...
  20. Oil and Trans Fluid Change

    Just a nice walk through and DIY video from back when we first picked this bad boy up. FIRST thing we did was switch from 0W-20 to 5W-30 and give it a nice trans flush after that LONG drive home from Maine.



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