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  1. Stock tires slowly going flat

    I mean there's only a few components in a wheel assembly. The tire, the rim, the sensor, and the valve stem. You've already eliminated one, two of the others can be tested in one shot.
  2. Sold: FS: Verus 6-port heat shield

    Used for about 6 months or so. I paid $175 plus shipping, buy it from me for $160 shipped to the US. Chicago locals save another 10 bucks
  3. Speaker shelf

    OMG there's so much SPACE back there. can you fit a whole a set of wheels in your car without removing the passenger seat now?
  4. Limitations of Factory Eccentrics when Lowering

    That being said, I do have a few bookmarks saved from our resident track rats. https://www.supramkv.com/threads/bm3-flex-tuned-2023-supra-a91-mt-edition-8-2k-miles-70-000.20153/page-2#post-324410 https://www.supramkv.com/threads/solved-literal-bump-steer.20636/page-2#post-335123...
  5. GR Supra 101: Routes to big power

    some know-it-all noob starting calling people keyboard warriors because he didn't like the advice he was getting. i stayed out of it because I thought it was a troll account, but razorlab took the bait.
  6. Misaligned rear LCA bolt to hub assembly.

    if all you need is radial motion on the LCA inner bushing, then the jack axis should be aligned with the lower control arm. This is another way to get some leverage on the arm or the Hub without damaging the shock.
  7. Misaligned rear LCA bolt to hub assembly.

    do you have a rubber jack pad for your floor jack? once the arm and hub is jacked up a bit, shove the jack itself to torque the arm in a "yaw" rotation w.r.t the vehicle. The goal is to torque the inner bushing enough to align hub bushing, but you need the friction provided by the rubber pad...
  8. WTS: 2023 OEM Wheels w/ tires and OEM tpms sensors

    i know this is an unlikely request, but any chance you would be willing to sell and ship just the rear pair?
  9. Coolant Mixture

    you generally want glycol mixtures above 25 percent. below that, bacteria will not be killed. at very low levels (say 5 percent-ish) the coolant acts as food for bacteria
  10. Supra Instrument Cluster Gear Number next to "D" missing?

    it certainly wouldn't surprise me, it seems they keep changing small trivial things on the car like the twist connectors on the knee panel, but refuse to fix buffeting.
  11. Supra Instrument Cluster Gear Number next to "D" missing?

    interesting, on 2023 models the numbers will time out after about 10 seconds without paddle input This is also a feature in xhp, do you have your trans flashed?
  12. Max “safe” redline on stock valvetrain?

    Right, the swing cam (some call it a secondary rocker) is also susceptible to float, however a stiffer valve spring does not provide float control for the swing cam when it is on it's base radius. this is worst when the commanded valve lift is at minimum, like when you are lifting off the gas...
  13. Max “safe” redline on stock valvetrain?

    I did a quick search and wasn't able to find any aftermarket torsion springs for the swing cam. Does nobody make them? I would think this would need to be upgraded in additional to the the valve spring in order to rev higher.
  14. Speedometer correction with Bimmercode?

    from spreadsheet in this thread: https://www.supramkv.com/threads/the-great-supra-mkv-bimmercode-expert-coding-cheat-sheet.18610/ Partially works but doesn’t seem to work properly. May reduce correction slightly and also seems to mess with Cruise Control speeds - setting Cruise control at...
  15. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    The general consensus is that power/boost peaks way before 6500 and that's when it really takes a nosedive, so there's no point in going all the way. the gears are so short and you only drop 1300-ish rpm between shorts, so even if you shift super early, you'll still be in boost. You can...
  16. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    You're banging the limiter on both logs there. Just FYI, the throttle starts to close in anticipation of the limiter at ~6800 rpm or so. The second log has a clean pull on there. But again, your foot doesn't go all the way down until you're over 4000 and 3rd. Throttle stays above 80% after...
  17. Set Front HKS Adjustable Springs at Factory Height?

    Neither the packer, nor the bumpstop, affect ride height since they don't make contact with the spring. They only become relevant at full compression. Nevertheless, good question. I DID install the packer because IMO, its always a good idea to spread the load during impact events. From what...
  18. Race Tracking Your Supra - Information exchange

    i got -2.8 and -2.7 with my HKS springs. I could probably squeeze out another 0.1 or so, but i prefer to have the extra clearance to the strut tower just in case.
  19. SUPRA ULTIMATE B58 JB4 GUIDE AND LOG REVIEW (V1)

    For most of the first pull, and pretty much all of the second pull, your jb4 isn't even activating wastegate control because your foot isn't all the way down. If FF and WGDC are flat lines at 50 - it's not doing anything. Because of this, your boost curve is pretty much line-on-line with...





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