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  1. Go Faster
    What’s up fellas I got a ‘03 is300 and like many I plan to turbo it in the near future, however I own a turbocharged car but I’ve never turboed an na car before so I’m trying to figure out the best route for tuning. Are there any good standalone ECUs out there for under $1k that I can plug in...
  2. Member Sale/Trade
    New Cxracing Full Turbo Kit. Direct bolt on. Never installed. $2200o
  3. Go Faster
    Been searching and can’t find anything specific. Going na-t and gonna shoot for the 500 wheel range keeping the auto with shimmed accumulators. Having trouble figuring out what management to go with I’ve heard troubles of stand-alone’s on auto trans being tricky.
  4. Basic Help & Repair
    Hey guys, I have a 2001 Is300 that has the cx racing turbo kit, precision 6567 turbo, 870cc injectors, haltech e6x etc. The issue Im having is code p0125. insufficient coolant temperature for closed loop fuel control. I replaced the ECT sensor and the thermostat but the code is still there which...
  5. Go Faster
    Hi All, So me and a friend are in the middle of a NA-T turbo install using the CX racing turbo kit. We've run into a small roadblock though. My questions are below: 1. What's the best way to feed oil to the turbo? The kit came with a sandwich plate for the oilfilter, but I'm not a fan of...
  6. Go Faster
    Hello all. I drive a 2004 is300 auto that is pretty much stock. The only modifications are a cold air intake and a performance radiator ( it came with the car when i got it). I thought the car accelerated fast but I guess I gotten used to it so my goal is the reach 350hp or at the least 300hp on...
  7. Go Faster
    I don’t know much about car computers but I just put the cxracing turbo kit in my Lexus IS300 (2jz-ge) and now I need help tuning it. Can I just tow or drive it to a dyno tuning place and they tune it up and it’s all good or do I have to buy a new ecu, chip, piggyback or something. Sorry if it...
  8. Go Faster
    My first post here, I just bought 2 is300’s ones an ‘05 the other an ‘03. I’m looking to throw a turbo on the ‘03 but I don’t want to see a rod put a hole in the oil pan. I’ve done my searching through forums and have learned a lot. But having specific examples of people in similar situations as...
  9. Go Faster
    I'm planning on going na-t on my 03 is300 factory manual this May and am in the middle of accruing all the parts which are as follows: Cxracing turbo kit Raidum fuel rail 550cc injectors Wideband kit Walbro 255 New tt headgasket Timing kit Tial wastegate Tial bov Fuel pressure regulator Fuel...
  10. Go Faster
    I want to boost my IS and have seen a bunch of people running the stock ecu. I'm not willing to take the risk I'm too worried about leaning out, and the car will overall be a lot better with a stand alone or piggy back. I don't want to break the bank but I will if I have to. Anyways what is the...
  11. Go Faster
    Hello Everyone, I hope I am writing this post in the correct thread. (Sorry, if I'm not). I am interested in installing a turbo kit on my 2003 IS300 (Manual) and I am looking to push no more than 350whp. I am looking at the XS-Power Kit for this project as it is the most budget friendly. My...
  12. Go Faster
    Bought myself the CX racing full NA-T kit. Am in the middle of putting it together right now. Have come across several issues, my biggest being I am missing some key hardware. I am missing the turbo to exhaust manifold bolts. I’m guessing they are Grade 8, but I need to know the thread size...
  13. Go Faster
    Hi, I am thinking about going NA-T in my is300. Its a 02' automatic with the e-shift. Not looking to make huge power, maybe low 300s? That's what I heard the A650e could hold safely. But at low boost should I get bigger injectors/fuelpump, and standalone, stock, or piggyback? besides that I...
  14. Go Faster
    Hello. Reaching out too seek info on the emanage blue vs ultimate. Budget is in this cars name. I’m NAT gt35 .83 with cam gear ect. Running stock coils. 340 lph pump. Fpr and return. And maygrab some 550 injectors. So I’m looking too see if there are half decent options for me (greddy line)...
  15. New Member Introductions
    Hello everyone, so i bought an automatic 2001 is300 at the beginning of this year, and this is my first car that I've decided to build, so far its pretty stock in performance wise, i do have coilovers, new pair of spark plugs, i put in a new fuel pump,and an aem cold air intake, and a catback...
  16. General Discussion
    I’m thinking about turbocharging my 2002 is300. It currently has 31k miles. I’m looking at the cxracing kit (https://www.cxracing.com/products-by-car-toyota-scion-lexus-lexus-is300/products-by-car-toyota-scion-lexus-lexus-is300-2jz-ge-na-t/TRB-KIT-2JZGE-IS300-IC?sort=p.price&order=DESC) My...
  17. General Discussion
    Looking to keep the miles off my ISF but this is more of a progression build What are the best mods that will support a future turbo set-up? I'm thinking midpipe as well as an exhaust (HKS Hi-Power??), perhaps headers too However, I do not want it to be too loud as my mother sometimes drives...
  18. Go Faster
    So I bought one of these sets and i'm in the middle of installing it. Its been a nightmare but I think the end result will be worth it. Yes its a china part, but its actually not bad, I can't really complain for the price. It comes with a fuel rail for 14mm injectors, 90mm throttle body and the...
  19. Cars for Sale
    Sold
  20. General Discussion
    Hey everyone! Just purchased my first IS300! Its a 2001 i was wondering if anyone would have any great build ideas. I am wanting around 500hp. I am already doing some water pump replacements and a new head gasket. Guy before me put new timing. I am wandering what turbo i should do and intake...
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