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  1. The official ask zrk anything thread

    Where is Zrk?
  2. BMS JB4 Port Injection Controller

    Updates to? lol Its works to add more fuel.
  3. PSA: Are you about to buy a new turbo? You should wait.

    Ive done a few cars already with the JB4 PI controller. It works but has its quirks.
  4. PSA: Are you about to buy a new turbo? You should wait.

    Yes with the JB4 PI and traditional AIC controller.
  5. Turbo Upgrade - Pure Turbo or DAW?

    No you can use the same dp and intake. FIC 1000 is generally my go to. They support everything the stock motor can really handle.
  6. PSA: Are you about to buy a new turbo? You should wait.

    Anything more than 550-600 jb4 really is no longer effective. While you can make even more than that on a jb4 with full ethanol its not great for reliability.
  7. Turbo Upgrade - Pure Turbo or DAW?

    With meth or PI any of them. Without at least meth its going to be real hard to push them. The flow max works, but the hypercore is really a great solution for jb4 cars to make more power efficiently.
  8. NEW PURE 900 NOW AVAILABLE! (6PORT) WWW.1FASTSUPRA.COM (T51R)

    The PURE900 is finally ready to order! https://1fastsupra.com/products/toyota-supra-a90-a91-new-pure900 AND YES YOU CAN T51R MOD IT! No Cores as this is a complete new aftermarket housing! Which should address any and all issues! • Pure Turbos Billet Compressor Wheel • Larger and Stronger...
  9. Sold: FS $2,500.00 (2) P2uned Forged Carbon Seats

    $2,500 TWO P2uned Forged Carbon seats and a bracket with slider! Someone snag these :) These have Blue suede diamond stitched paddings. One set of padding is brand new and never been used. These seats weigh almost nothing lol. Save some serious weight swapping these in over Stock seats. These...
  10. 2024 SUMMER SALE IS NOW LIVE - 1 FAST SUPRA

    Appreciate you! LAST WEEKEND!
  11. Pure Drivetrain Race Torque Converter Issue

    IDK if its a new high stall converter issue I have one from this year and no issues with the downshifts. My older one (2022) had a similar issue where it would hunt when I was in Auto and on the brakes after running the car but id just simply slap it over to manual and bring it down.
  12. Pure Drivetrain Race Torque Converter Issue

    Flash stock XHP and see if it does it.
  13. A90 Supra 1/4 Mile Times

    Ya 124 is around the proper trap and is about a 460-480 WHP car. Thats a real solid time!





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