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  1. New and in need of help

    Tbh the numbers look really low. You can get to nearly 600 wheel on the stock fuel system with 93 octane and a modest turbo upgrade. So if your tuner is coming in well below that number and complaining of difficulty, they're not a master tuner on this car. For what it's worth: a stock turbo...
  2. Code Scanner wanted

    https://www.bimmerlink.app/ with... OBDLink CX dongle.
  3. Advice on Intake System

    Trick question: all of them are hot air intakes.
  4. SIV: Supra's In Vegas 2023

    Suprasinvegass lol
  5. Flex fuel/ e50 tune questions

    Yeah, it won't matter.
  6. Advice on Intake System

    "Quality" is a very subjective term in intakes. 1) They're just dumb tubes. The car does not care whatsoever what that tube looks like, or what it's made of. From a performance POV, none of these air intakes are engineered in a manner that might make one noticeably superior over another. 2) As...
  7. The official ask zrk anything thread

    Why wouldn't you use the Flex 93 multimap? You have more octane than 93 fuel with E40. Just don't use the map if you're only putting ACN91 in the tank.
  8. The official ask zrk anything thread

    19s all day.
  9. How many miles have you driven the SUPRA and are you satisfied?

    If you haven't done it already, put a beefier sway bar up front and put it on full stiff. It's an amazing improvement in steering responsiveness and road feel. I was absolutely astonished by the difference, as most cars don't change that much with a different bar. But it really feels like a...
  10. How many miles have you driven the SUPRA and are you satisfied?

    I'm glad your car has none of that. Mine has buzzed and rattled in the above ways since about mile 300 in factory fresh condition. What does surprise me, however: my bone stock Supra rattled more than my boosted, chassis braced, all-poly-and-aluminum bushings Genesis Coupe that's 10 years old...
  11. How many miles have you driven the SUPRA and are you satisfied?

    I am the original owner of a 2020, about 9000 miles. Great chassis, great engine, great body style. Easy car to work on, and mods are cheap (by car mod standards). It's a good platform to build power. But the fit and finish of the interior is a Superfund Site-level dumpster fire. The door...
  12. Improving reliability on a tuned setup

    Cold coolant and hot oil = happy car.
  13. [Stock] Removing Intake Muffler/Resonator

    It's just a resonator. The car doesn't care if it's gone, as long as the port it's attached to is capped or the entire intake is replaced with some aftermarket solution.
  14. What's after the Supra?

    Nothing is after the Supra. It dies, or I die.
  15. Clunking Sound at Low Speeds?

    No, a pad change doesn't include a brake bleed. That's an extra service that takes about an hour (+/-30m depending on tools and staff).
  16. Clunking Sound at Low Speeds?

    Brake pads shifting doesn't make sense, but brake related makes sense. The whooshing + clicking makes me think the car needs a brake bleed. There could also be a leak in the vacuum hose going to/from the brake booster, which would lead to lazy/clicky brake caliper pistons.
  17. Clunking Sound at Low Speeds?

    What are you doing in the video? I see the car in D around 700 RPM. Are you just coasting to a stop? Hitting the brake? Idling? Is the AC on? More info req'd.
  18. Supra is pulling to the right after lowering

    In the case of many Supras I've seen on the rack, the front camber is inconsistent from the factory and is non-adjustable. This will get significantly worse when you lower the car. It will start to pull. I also get the sense that this appears to be an H&R problem as they seem to be the most...
  19. Supra is pulling to the right after lowering

    This is not specifically an H&R problem. It's a lowering problem. Lowering a car intrinsically and negatively compromises the alignment: camber goes more negative, toe goes more in, bumpsteer increases, roll center is pushed down and makes handling unpredictable. The only way to fix all of...





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