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  1. Race Tracking Your Supra - Information exchange

    If it stays at 260-270, nothing. Short trips to 280-290 for a lap aren't going to kill the motor. The Redline oil I use is okay to 300F. I'll install the hood vents and maybe duct the intake and see where I land. I can change maps on the steering wheel to do a single flyer lap at higher power...
  2. Race Tracking Your Supra - Information exchange

    My instagram is @benbulthuis My oil temps vary quite a bit based on ambient and how much boost I’m running. Without any hood vents or a cold air intake/inlet, I see around 265-270 at ~19psi and I’ve peaked at 296 at 22 psi. The 296 oil temp was with 90F ambient temps. Hot day. This is with a...
  3. Race Tracking Your Supra - Information exchange

    We have pretty much the same setup, except I don't have the speed engineering inlet. I have the whole RaceLouvers CF Extreme hood vent package, I just need to get off my ass and install it. I'm going on vacation for a bit and then running SCCA TT Nats and will install it after that. I can get...
  4. Race Tracking Your Supra - Information exchange

    Yes. The charge air temps will be lower when you have a larger turbocharger as it will not have to work as hard to make the same boost pressure.
  5. Race Tracking Your Supra - Information exchange

    Okay embarrassing question time. How the hell do you actually read a compressor map?
  6. Race Tracking Your Supra - Information exchange

    What turbo do you have? A lot of the temperature is going to come from how efficient your turbo is and how hard you are pushing it.
  7. Race Tracking Your Supra - Information exchange

    I know you hate catless downpipes so what made you switch?
  8. Race Tracking Your Supra - Information exchange

    @razorlab - FWIW, the first morning session of Gridlife was under muffled sound restrictions at LRP. I ran my Valvetronic exhaust with the valves closed and received no complaints. There may or may not have been some leeway given the event, but they definitely did have signs up during that...
  9. Race Tracking Your Supra - Information exchange

    Gridlife has some really great photographers that come out, Rob is awesome.
  10. Race Tracking Your Supra - Information exchange

    Guess I did get a little air time at Lime Rock.
  11. Fuel pump control electronics, internal fault error at track day

    If you do ever end up having to change it out and need coding support, you can borrow my tablet with Protool.
  12. Race Tracking Your Supra - Information exchange

    Yeah I'm definitely not overlooking the 3RS price 🤣 I think the Cayman GT4 is Porsche's current sweet spot in terms of price/performance. But I'm not convinced it would be meaningfully faster than a Supra and would be harder to modify.
  13. Updated with Codes - Random Issue after suspension upgrade

    That's confusing, because none of those codes are chassis related to my knowledge. Only thing I could find on the active codes: 21B055/21B056 codes | SupraMKV - 2020+ Toyota Supra Forum (A90 MKV Generation)
  14. Updated with Codes - Random Issue after suspension upgrade

    I would guess ride height sensor. Pull code to confirm. The first time I worked on my Supra I broke one, I did not appreciate how fragile they are.
  15. The Supra America will never get (unfortunately)

    As much as I love Supras, that's approaching used GT4 RS money.
  16. Race Tracking Your Supra - Information exchange

    My current C21s in the front have been on the car for 3 or 4 events, and I feel like the pad depth has barely changed. I haven't measured the depth, I should grab a set of brake pad calipers to actually chart it. Wear starts off slow and then accelerates as the pad thins, though, I presume due...
  17. Race Tracking Your Supra - Information exchange

    Car looks good. CMP is very tough on brakes. I have been running CSG C21/C11s and they had no issues, I've run CMP twice this year. FWIW.
  18. Full Caliper Rebuild Kit

    Not really, no. Brakes are a very simple hydraulic system. The caliper is two piece but to rebuild it, you don't need to separate it. All of the seals and pistons are accessible without doing so. - Remove caliper from car - Use compressed air to blow the pistons out, place a block of wood or...
  19. Race Tracking Your Supra - Information exchange

    Factory engineering goes a long way, especially when it comes to chassis and suspension design. The EVO is a fantastic car (my girlfriend has an EVO X with a built, Darton wet sleeved 4B11 and a complimentary set of modifications) but unless they've radically redesigned the suspension, the GT3...
  20. Race Tracking Your Supra - Information exchange

    I checked the rules and they don't specifically list all cars, but there's a provision giving them leeway to bump cars up in class for a "Spirit of the rules" situation, and Track Modern specifically states that it is intended for modern supercars with minimal modifications:





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