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  1. **Official Lap Times Thread**

    I'm not going to make a post for each of my lap times, and to avoid clutter here is my youtube with all of the videos. https://www.youtube.com/@BenBulthuis Car is a 2021 Toyota Supra 3.0, relevant mods are: Eibach sway bars, Verus camber plates, SPL end links, CSG C21/C11 brake pads, SRF fluid...
  2. Race Tracking Your Supra - Information exchange

    I considerably underestimated how far outside of the efficiency range the turbo would be at that boost level. The lesson has been learned :oops:
  3. Wagner Tuning Manifold....Thoughts?

    Ironically, my household is on it's fourth 4B11 but only second EJ25.
  4. Razorlab - 2020 LE build thread

    Yeah, I'm really wishing I had gone with MHD right now. Unfortunately I would have to send my ECU back to Finland again. Definitely curious on your experience when you have switched. Will you be self tuning again?
  5. Race Tracking Your Supra - Information exchange

    Learned this weekend that 22psi is definitely too much for the stock turbo especially in upper 80s ambient temps. I saw 243F coolant, 296F oil, and 148F IATs, even with the Verus oil cooler and a Wagner manifold. After setting a boost max of 19 psi in BM3, temps dropped 10+ degrees on both...
  6. Race Tracking Your Supra - Information exchange

    There’s a Buc-ees literally 3 minutes from Barber. Track should have fuel too but usually tracks mark up the fuel.
  7. Race Tracking Your Supra - Information exchange

    Has anyone had any issues with the Bootmod3 dashboard locking up/freezing? The app still works but the gauges stop updating data. I disabled Bluetooth and made sure all of the phone connectivity was disabled in the car but it still happened. I am dealing with some heat issues and I am trying...
  8. Race Tracking Your Supra - Information exchange

    I don’t left foot brake. I have been learning on the street and on the sim but I haven’t built the granularity and muscle memory up enough to feel comfortable on track. And I have stock dampers so having a bit of “delay” baked into the inputs gives the car some time to settle too. I’d eventually...
  9. Race Tracking Your Supra - Information exchange

    You should be fine over the course of a session. If you do experience any fuel issues just keep it topped up. Barber is really fun, what a great track for the first track day in the Supra.
  10. Race Tracking Your Supra - Information exchange

    We moved here in 2018. I really like the area. I actually haven’t done too much with the local clubs, I usually do track stuff with Gridlife or SCCA TT and I do autocross down at ZMAX Dragway with CCR SCCA. But I’ve done a few NCCAR events with Triad I believe.
  11. Race Tracking Your Supra - Information exchange

    When my car was stock power with just sway bars and 200tw tires, after turn in for 12 I could basically stay flat all the way to braking for 14. I was running 1:41-1:42s usually.
  12. Race Tracking Your Supra - Information exchange

    It's really track dependent. If it's a long sweeper that's on power (e.g. Carolina Motorsports Park turns 12/13 leading to 14) I can get the car to fuel starve under 3/4 tank. Other tracks can be more forgiving. But I usually just keep it close to full to avoid any potential problems.
  13. Sold: WTB: OEM Supra hood

    Hello, Looking to buy an OEM hood to cut up for heat extractors. Color and paint condition don't matter, white would be a bonus, but no physical damage please. I am located in Apex, NC and willing to drive to pick it up within a reasonable distance (200-300 miles). Shoot me a message, thanks!
  14. Razorlab - 2020 LE build thread

    Not sure if you've done wet laps on either tire but I felt the CRS was quite poor in the wet compared to the RE71RS, too.
  15. Razorlab - 2020 LE build thread

    I'll be curious what you think of them. Just ran a set of them at NCM this past weekend for the first time.





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