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  1. Opinions on this Wing

    Look into tapping the canbus network to get most of your required inputs. I'm guessing he's already doing this, but if not... https://www.supramkv.com/threads/fast-wireless-can-logging-in-racechrono.26659/ Would also caution about the window shoppers. There are lots of them. The more requests...
  2. 3" vs 4" exhaust on stock DP

    Not sure why this keeps getting repeated, but this primarily only true for during choked flow (gas at sonic flow, or liquid systems when cavitation arises across the orifice). In subsonic gas systems, you can have multiple restrictions, with each applying a pressure drop. Additional restrictions...
  3. OEM sway bar bushings fixed?

    Correct, the bushing applies a torsional stiffness to the bar that is felt as a translational force at the knuckle. At compression, it helps the springs. At droop, it fights the springs.
  4. OEM sway bar bushings fixed?

    I think he was referring to radial stiffness of the bushing, not torsional
  5. Suspension frequencies

    because i got tired of plugging things into dennis's website
  6. Looking for Verus Engineering Supra Red Fluid Caps (oil, coolant, heat exchanger, windshield washer, gas)

    https://www.verus-engineering.com/shop/category/racer-special-69?srsltid=AfmBOoq4_GXNXp7ae6rznktbaJIrfS-BASxJZOEEEmDaWLCXZ7ArEOXv Blemished coolant and oil caps on sale right now
  7. OEM sway bar bushings fixed?

    Just out of curiosity I went and grabbed my OEM front sway bar from the bin o' parts and made sure I wasn't crazy. This thing probably isn't meant to spin.
  8. Valvetronic Exhaust on 2026 models

    :postpics: But seriously, I could see either vrsf or valvetronic's suppliers sending the wrong item . This would be resolved in 30 seconds if your mechanic sent a picture
  9. Opinions on this Wing

    Agree, DRS is definitely a better use case than airbrake. Airbrake might make sense for endurance racing (less heat put into the brakes) but for sprint racing or time attack, the magnitude of downforce at max AoA (and therefore the tractive force limit) is larger than the drag that can be...
  10. Opinions on this Wing

    Because i was trying to screenshot the relevant captions
  11. Opinions on this Wing

    https://occamsracers.com/2023/02/11/active-aero-on-a-miata/ Could probably follow mario's method if you have a supra already built in OptimumLap The supra's underbody is surprisingly clean compared to something like the Z. I believe Savage geese mentioned it in this video. It would take...
  12. OEM sway bar bushings fixed?

    This is known as a captive or bonded bushing and i also noticed it on my front bar when i removed it on my 2023. This can lead to weird behavior. One of the DE instructors from NASA great lakes noted some weird understeer behavior on his AIX mustang went away when he switched to an aftermarket...
  13. Lowering Springs: Eibach Euro to MSS Sport Adjustable

    Nobody can answer that question for you because MSS does not publish spring rate data. I've offered multiple times to calculate spring rate versus compression curves for people (all you need is a tape measure and some digital calipers) but nobody has taken up my offer
  14. Opinions on this Wing

    Can't be saved, would need to be scrapped and remanufactured with an opposite design. I'm sure some stance guy will buy it regardless
  15. Race Tracking Your Supra - Information exchange

    What's the install process on those? Spin off the inner tie rod and slide in?
  16. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    It's effect is about half. Thats why Adam recommends changing FF from 50 to 40 with catted, rather than 30 with catless.
  17. Post 2020 DME unlock with AutoTuner

    Now if one of the stateside tuners were provide an insured unseal/reseal service in addition to just shipping it out, that would be worth paying for
  18. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    Catted downpipe will trigger closures, but not nearly as much. Thats why there are separate "starter" settings in the OP. My guess is the CEL is unrelated to JB4, but rather the O2 sensor heating up either too fast or slow with the AA.
  19. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    That is correct, catless downpipe will cause the DME to use thottle closure as a tuning knob on a jb4-less car. By adjusting with wastegate signal on a jb4, you are cleaning up the behavior from stock. If you leave the EWG unadjusted, will it hurt anything? Not any worse than a dinantronix /...
  20. Race Tracking Your Supra - Information exchange

    What was the symptom? Did they get stuck when unwinding the steering wheel?





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