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  1. Lextreme

    Video LS400 Oxygen Sensors and Spark Plugs Replacement

    Excellent video from @gloverman may be of help! Many have asked for o2 sensor locations (both primary and sub) on the LS400 and Kelvin shows you exactly where they are. (I think some call them lambda?) Remember that the sub oxygen sensors monitor the catalytic converter, not fuel mixtures...
  2. Lextreme

    1994 SC400 EGR Delete

    A customer posted a pretty informative video that might be of help to some.
  3. Lextreme

    Lexus SC400 Drift Car Link G4X Monsoon X ECU Project

    Anyone following along with Kelvin in this ongoing series?
  4. Lextreme

    Cars For Sale 1992 Lexus SC400 For Sale [Central Florida]

    I am posting this '92 SC400 ad for the seller, so please don't PM me about it. I'm not the seller. Contact [email protected] The car is located in The Villages, Florida, halfway between Orlando and Gainesville. nice heavy car but all the lights on the dash drove me crazy. i changed the oil...
  5. Lextreme

    Fish Bracket v. 2.0

    Did anyone ever end up with the CAD files for the fish bracket, second revision that accepts Vortech V1 and V2, along with Procharger P1SC and D1SC that could be mod'ed to fit other superchargers? And is there any chance there's still a bolt kit out there somewhere? I have access to machining...
  6. Lextreme

    1UZ-FE Flat Plane Crank Kit

    I see this has come up in another thread in the past and @cribbj @Arnout had talked seriously about this. Does anyone have any strong leads. Was this ever made? Then there's the issue of cams. PS. Since cranks are interchangeable, I guess it'd work for 2UZ and 3UZ as well.
  7. Lextreme

    1UZ EGR delete - resistor install with 6-pin connector (temp sensor integrated?)

    Gents, trying to help a customer who deleted the EGR system on a '93 LS400 and is suddenly getting a CEL. (click for larger image) On the 25620-50020 EGR valve (for 93-94 SC400 or 92-95 LS400) with the 6-pin connector (pictured) is the temp sensor integrated into the valve? I'm familiar with...
  8. Lextreme

    1UZ in 1991 Mazda B2200 Drift Truck

    Some of you guys might know about this; the project has been ongoing now for over four years and this guy Caleb from California has got enough videos on Youtube now (at least 70) that you can binge-watch if you want. Here's his latest video on the supercharged 1UZ he's swapping in. This...
  9. Lextreme

    1UZ and 3UZ Power Steering Pumps Basics (video)

    Thought this would be a good one to share from Kelvin. @gloverman
  10. Lextreme

    Video Toyota and Lexus 1uz and 3uz Injector Connectors

    Pretty interesting to see the difference in available connectors. You're not running cheap crap are you? ie. Chinese junk. Thanks Kelvin @gloverman
  11. Lextreme

    3UZ AFM Codes P0100 & oxygen sensor codes P0135 P0141 P0155 P0161 and the EFI 2 fuse issue

    Thanks @gloverman
  12. Lextreme

    Video 1UZ and 3UZ Fuel Pump Relay Circuits

    This might help some of you guys, especially those doing swaps. Thanks @gloverman
  13. Lextreme

    Error Fault Code 12

    Has anyone figured out what is the reason for code 12 fault? Original 1uz-fe ecu. The code says rpm signal fault. Replaced crank sensor and cleaned cam sensor no change. How i came about this issue is as follows. I tried starting the car and the starter wouldn't turn over. I removed the...
  14. Lextreme

    Video Oxygen Sensor testing (Toyota Soarer/Lexus SC400)

    Great video from Kelvin @gloverman that is worthy of its own thread.
  15. Lextreme

    Lexus LS430 or Toyota Celsior UCF30 Brake Repair (including new inner steering rack ends)

    One of Kelvin's @gloverman better videos, and that's saying a lot. It's so helpful I thought we should have a thread for it.
  16. Lextreme

    92-97 SC400 Oil Pump Part Number

    We cannot find a PN for the 92-97 SC400 oil pump. Digging into the original PN (15100-50050) mentioned here, that is also not for the LS400 or SC400. Lexus' parts site doesn't have a part no. and I can't find a cross reference for a 1uz-fe non-vvt oil pump. Edit: According to @gloverman link...
  17. Lextreme

    ABS/TRAC Delete Kit for SC400

    A poster is asking us about developing a kit that allows for eliminating the ABS/traction control system on his SC400. The goal is to remove the heavy and complicated ABS system that interferes with response and track performance, and to replace that system with brake lines that go straight...
  18. Lextreme

    Lextreme EGR Delete Kit Install on 1992 SC400

    A customer is saying they're getting a CEL because "the resistor won't work for this style EGR system. The way I understand it is that the older systems were operated off of vacuum, not electronically." Can anyone help?
  19. Lextreme

    2UZ-FE EGR Delete

    Gents, I can't find a consensus on whether this is worth it or not. I see varying opinions on other sites but I'm surprised that there's not more interest in it considering it's a common mod on the 1UZ. If there were an EGR delete kit for the 2UZ, would it sell? 2JZ?
  20. Lextreme

    1UZ vvti 4x4 gets TPS enhancement

    V8 Mitsubishi L400. Video by @gloverman


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