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  1. Best exhaust systems in the market??

    Speed Industry has had the fastest turnaround times for me. I’ve ordered from everyone, it feels like. SI has even reached out and called me just to say the my black tip AWE track exhaust was on back order and gave me the option for the chrome instead, with credit. My reply, oh hell yes!!!!!! It...
  2. The official ask zrk anything thread

    I was on an alignment thread earlier and coulda swore I was talking to ya on there ?‍♂️. Great question though… I’d be curious to what y’all run camber & toe wise. Would assume it’d be all zero?‍♂️
  3. JB4 Custom Map 93 Octane

    A Jesse custom tune isn’t expensive. He’ll hook you up to your car exactly and your needs :)
  4. The official ask zrk anything thread

    Yup, you are right. Wider tires in the rear would be nice for coming out of an apex. But they are just so damn expensive. I like the square setup and controlling the “wiggle”. With good track tires (Maxxis Victra RC-1 for me) the grip is way better than I was expecting. I came from an S2000 and...
  5. Alignment help

    No. You are right. I would get a spec alignment for sure. After transport it can definitely be off. The spec alignment will be fine for those stock wheels and tires on your 1st track day. If you really enjoy the track, you will probably want to get camber plates or adjustable control arms at a...
  6. The official ask zrk anything thread

    With only 275/35 square I ran -2.5 all around for my 1st track day with this car. No problems. If I ever go bigger in the rear I’ll run less camber for sure. But no rubbing issues.
  7. Alignment help

    It’s only “twitchy” if you apply too much throttle. If a car is underpowered you won’t have this problem at all. Hence the Supra is part of these potentially loose end “twitchy” vehicles. Do the HPDE for sure! In the beginning, only apply consistent throttle while in a corner. You’ll do all your...
  8. What’s your biggest disappointment ?

    Sway bars all the way!!!!! Love em on any track car ?
  9. JB4 Custom Map 93 Octane

    It funny because I really don’t need more HP. It’s perfect. But that’s my worry, I’ll catch the speed bug, lol. Last thing I need it to be playing with fuel.
  10. JB4 Custom Map 93 Octane

    I haven’t been on a Dyno but on the track two days at Sebring. It was completely amazing!!!!!! The power difference was huge. My throttle modulation completely changed on the low end, running a map 6 custom tune by Jessie. When I would come out of a hairpin turn, for example, the car would...
  11. Bagged Supra Fitment

    May not be your exact car but this guide really helped me: GR Supra Wheel & Tire Fitment Guide – APEX Race Parts So impressed I bought a set of their wheels ?
  12. What’s your biggest disappointment ?

    That would make sense. I'm not mechanically inclined to say the least. Just like to drive... But I sure do love this car for the power to weight and overall package for this price point!
  13. First time ethanol use help

    Is there one you recommend? I'm still getting the feel for mine on track and under 1k miles. Not ready yet, but that does sound more appealing/straightforward. Also, wonder if that would help the car run cooler on track with a tune?
  14. The official ask zrk anything thread

    Is there a way to read, see or log the IAT while driving and not unplug my JB4?
  15. Just ordered the new 2023 3.0 Manual pro Special edition

    Beautiful!!!! Congrats ??? It'll worth the wait for sure. I thought I'd get rid of my MX5 ND also but... I do live in Florida and that little go-cart is a manual, so I couldn't do it.... Regardless, welcome to the community! Hope they give y'all a free track day with your purchase over there too ???
  16. What’s your biggest disappointment ?

    I didn't drive mine long without the front-end SPL upgrades. You guys are right that it feels less connected stock. What a difference those parts made! I didn't buy them for the "feel" but wow what a difference... The remainder of my SPL parts (mostly rear end) are being put on this week before...
  17. DarkZupra's Build

    I will do the same. Thank you so much ??. I found the install thread thanks to you for my awesome mechanic. He can probably do the electrical stuff I have no clue about too. And thrilled there is such an amazing option for track weekends and still look absolutely stunning ?. I’m only 6’ even and...
  18. DarkZupra's Build

    Wow ? Absolutely stunning!!!!! This is exactly what I was looking for ?. I shopped really hard to find phantom grey with red interior and would be dammed to just rip out my stock seats. I’m only tracking about 6 weekends per year (total wus in the extreme FL heat/humidity). Edit: I found the...
  19. Everything wrong with my car

    One good thing about frequently tracking is that you change all the fluids regularly. Makes me wonder how bad I’m “neglecting“ my non-track rides ?. Good post btw @Xproplayer. I’m really sorry you’re having so much trouble. If the dealer can’t fix everything, try a local race shop.
  20. A90 Supra Heat Exchanger List & Specifications

    Thanks for the reply! Really respect your opinion on these matters because I don’t have a clue other than what the manufacture advertising tells me. What’s you’re opinion with this post: https://www.supramkv.com/threads/blown-turbo-at-track-need-help-cooling-it-down.14482/#post-217979 I really...





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