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I just bought it (the JB+) right now actually, along with some jack pads and a protective wheel nut remover. My goal is to keep the car relatively stock for the time being due to warranty work/recall work or any other TSB that might be needed, as you mentioned someone will eventually unlock...

For 2021 Supra Owners, it appears they have a "JB+" alternative that might work as well. https://www.dinancars.com/products/software-tuning/engine-tuning/inline-modules/dinantronics-sport/parts/D440-0047

I have a locked 2021 and I am planning on doing a JB+ (not JB4) on my car and keeping it stock until the warranty is almost over...hopefully by then the ECU will be crackable and any issues with the engine will have been identified and be able to be fixed via warranty/recall/TSB.

It's sad what has happened to Lexus - so much potential. The IS 500 F Sport Performance is nothing but a parts bin special, the original IS-F will be faster than it due to weight. The RC-F could have been so much more better, but it was set up as a frankenstein car and to have a convertible...

wow, your trap speed is way way off. You were either spinning down the track or heatsoaked very bad. A stock car should be trapping almost 10mh more than that. https://www.supramkv.com/threads/2021-supra-stock-at-quaker-city-1-4-slips.6114/#post-128468

Definetly with those trap speeds. Did you happen to tinker with the tire inflation at all?

Do we know the spring rates on the 20/21 Supra and what the rates are on the Eibach? I'm curious to how this will impact the handling of the car, as we know that the shock absorbers are tuned for the OEM spring. https://www.autoblog.com/2020/03/18/toyota-supra-suspension-deep-dive/

You the man now, dog~!

Exactly...too bad I can't show up in my IS-F.

Awesome! Thanks guys...I guess my google skills aren't that good ha.

Hi Guys- I'm assuming the answer to this is - "there is none". But is there a readout buried somewhere in the car for oil temperature?

Hi guys! Just bought my '21 3.0 Premium and the guy selling the car to me told me that he believes Toyota offers a free day of racing instruction. Searching around the 'net and other forums - this doesn't seem to be true. Did anyone else hear about this?