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    No power and bad backfire under throttle

    swapped sensor.No codes. new plugs, coils, injectors and verified 10 degrees advance with timing light. idles fine but misfires really bad under throttle
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    No power and bad backfire under throttle

    I put another motor in after the machine shop shaved my last set of heads 3 times and still wouldn't seal. The new motor is throwing code 27 and backfires really bad under throttle with no power. While it's probable the sub o2 sensor wiring got messed up yanking exhaust, could this cause these...
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    Keep blowing headgasket on N/A 1uzfe

    Having trouble sealing MLS head gasket using Apex MLS and Victor Reinz bolts. I am rebuilding 2nd 1uz for boost using ARP and Cometic MLS. My mechanic can not figure out why Apex MLS blew on start up BEFORE boost. Milled head and block. Has anyone had problems sealing MLS gaskets? Should I be...
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    1999 Lexus GS400 Precision Dragoon stall converter

    no horsepower increase but .4 sec reduction 0-60 should be feasible
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    Do I need an AFPR?

    I am aware you have a FPR but unless it is a rising rate and you have the ability to change the rate at which it rises it will be difficult to keep the AFRs where you want them all across the board
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    Do I need an AFPR?

    I would recommend this 0-30 PSI adjustable FMU | eBay It is an adjustable rising rate FPR so you can adjust it from 1:1 all the way to 1:30. In theory, your 300cc should fine with a 1:1 and meth injection but the added safety and tuneability of an adjustable rising rate FPR/FMU coupled with a...
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    2UZ plastic intake successfully installed on GS400

    don't think so... 2005 Tundra and 2005-2006 gx470 are same part number. 2007 is different.It may fit with mods but I don't know
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    Oil feed for vvti-head on non vvti block

    so tap block from valley or is possible to run feed from sending unit?
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    VVTi Vs Non VVTi

    Any update on this?
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    Oil feed for vvti-head on non vvti block

    Has this been done? I know it's been discussed. Specifically, I would like to use a non vvti 2uz block with 1uz vvti head. 2jz guys use an external oil line with banjo bolt to supply oil to vvti head when using a non vvti block. Is this possible on the 1uz or 2uz? Or shall I say what is the...
  11. D

    A650e Improvements?

    Is the stock converter ok or do they need work?---High stall converter will do wonders. you can check Dragon converter or IPT. I don't know if Lextreme still sells his...
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    07 Lexus GX470 power mods

    you may want to consider my setup. Brushless motor....t76 turbo.....ESC.......FMU......trunk mounted battery bank......WOT switch......RPM switch......24V alternator charger for battery bank.Just be careful because this setup will easily exceed your injector capabilty
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    3UZ Turbo Kit

    what power lever did you lose your rods/hg at?
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    Gearbox for 3UZ-FE conversion

    Sorry, that makes sense....you were comparing the a650e to the newer a761....not the older a340e/a341e that came in supra/sc300/sc400/ls400
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    Gearbox for 3UZ-FE conversion

    Really? I was under the impression from the transmission places that the a650e was actually weaker and had sprag problems on 2-3 shift as well as weaker clutches in 3rd and glass clutches in 5th gear. Supposedly a built a340e is always stronger than a built a650e. However, I am sure you...
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    Weak point of transmission? Shifting or clutch pack?

    I am not actually running NOS. I am using a t76 turbo coupled with a brushless electric motor so it electronically shuts off boost at rpm cut and reactivates it at a set rpm in next gear. Hence I never shift under boost. I am trying to see how much I can turn up the boost on this thing before I...
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    Weak point of transmission? Shifting or clutch pack?

    I am already running a cooler and have installed transgo valvebody kit which includes stronger springs and drilling out for higher pressure. Thanks for the info..Guess I will look for stronger clutches
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    1uz vvti going to run boost.

    You could probably run some 5sfe pistons with no trouble but it would drop compression
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    Difference between 2uz and 1uz injectors?

    I can get non vvti upgrades all day long but I am having a bugger of a time trying to get vvt upgrades. I was asking if we can get a 2uz injector to work in vvti because I know I can get rx8 injectors that will drop into a 2uz. If you could show how to tweak normal injectors to work in vvti you...
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    Weak point of transmission? Shifting or clutch pack?

    For those with NOS..... At what point does the A340e give out? Is it the 2nd gear sprag or is it the clutch? I am trying to found out if running a RPM switch so the tranny does not shift while under power if the transmission will take more abuse. Or is it the clutch packs that let go?


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