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  1. #1
    Ultimo Miembro Fantástico Gigantesco ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD has much to be proud of ChrisD's Avatar
    ChrisD has been to an official Ogopogo Meet! ChrisD has donated to the forums! ChrisD helped get Luni's MR2 back on the road! ChrisD helped bring Chaos back to the Dragon ChrisD helped KM replace his 5-year-old clutch.

    Join Date
    Nov 2004
    Calgary AB Canada

    Default FAQ ...5sfte and shtuff (by Nuke)

    Nuke is the dawg

    Quote Originally Posted by NuclearHappineS
    I posted this in the mod forum a week ago...

    if we ever get an FAQ forum... this should be in there... I want you guys to use and review this...because it may be flawed in some places ?


    Turbo charging a 5sfe FAQ:
    Parts List:

    Big parts:

    3sgte exhaust manifold
    3sgte turbocharger (CT-26 or CT-20b)...twin entry is better
    Aftermarket downpipe or a stock 3sgte turbo elbow + primary cataletyc converter
    3sgte oil pan
    MK3 Supra stock intercooler (good size front mount for the celica)


    Oil return line from the turbo to the oil pan (stock 3sgte)
    Oil feed line from the head where the oil pressure sending unit is located (custom)
    Water lines for cooling the turbo (custom)... the throttle body heater circuit is a good place to tap for coolant
    Intake plumbing from the filter to the turbo and from the turbo through the after cooler and to the throttle body (custom)
    If u have a pcv without a valve (like my 1991 celica) then u need a breather filter and u have to cap the throttle body side of the pcv hose.
    Blow off valve of your choice (get one with a weldable flange)
    ** The toyota turbo has it's internal wastegate so don't worry about that.

    Fuel and ignition:

    Get some NGK BKR7EVX-11 plugs (regapped to alltrac gap) or get some Denso IK22 or equivalents
    N/A supra (light green tops) 315cc/min injectors. These are direct replacements to what u have. (good to 10psi)
    2 bar MAP sensor (supra sensor or alltrac sensor should do fine) this will work to just over 10psi and then u will hit fuel cut. (also called, turbo pressure sensor on some cars).

    Safety and others:

    New fuel filter (15bux)
    U can keep your timing stock for upto 6psi if u have an intercooler. Otherwise u should take out 1-2 degrees of base timing for each 50hp
    98+ camry metal composite head gasket (highly suggested).
    vacuum/boost gauge
    air/fuel ratio gauge
    exhaust gas temperature gauge
    oil pressure safety light (alot of custom turbos have died from unexpected oil leaks )
    upgraded clutch to keep the power to the ground
    Apexi SAFC or HKS SuperAFR for more percise tuning.
    A turbo timer is good for making sure the turbo stays happy .

    Cooling ideas:

    Oil cooler
    Second radiator fan
    Cooler thermostat
    Hood vents or scoop

    Notes :

    1- For the oil lines to the turbo try to find something that will take heats in the 600-1500 degree range (typical heats for your exhaust manifold and turbo when u are boosting)

    2- The exhaust will not line up with the exit of a 3sgte downpipe (or the stock 3sgte primary cat) so u might as well get a custom 2.25 -3" exhaust made (2.25" is mild and quiet...3" is more agressive and loud...depends what your goals are...and what u can live with)...back pressure is not a problem on a turbo car

    3- After installing the turbo, make sure there is oil in the turbo when u first start the car. Starting the car with a dry turbocharger will instantly kill the seals on the urbo. Furthermore, if the oil feed line to the turbo ever fails, the urbo seals will go out. Pay alot of attention to the materials and construction f this oil line.

    4- When u make your intake plumbing, try to keep the stock intake temp sensor onnected somewhere in the system before the throttle body. This will help clean ut the idle alot.

    5- Try to have the pipe going to the throttle in 2.25" piping. This matches the throttle body diameter and gives better off boost throttle responce, so u don't have to boost as often to get around town. IT helps drivability alot, reduces heat soak lot, and will lower your psi in your system allowing u to flow more dense air at the same psi settings. ie better boost and better off boost.


    1- How does the boost feel?

    Anything less than 5psi (non intercooled ) is good in 1st and second. Anything higher than that (8-10psi non intercooled) , pulls as hard in 3rd as 2nd pulls at 5psi. 1st gear at high boost is just crazy fast and i stopped doing it because it takes me longer to realise that i've hit redline, than it does to redline that gear. The car on the highway is faster than an AWD DSM at 9psi. And probably faster than a new mustang GT (felt about as fast).

    2- How much does it cost?

    Depends where u shop. For used 3sgte parts..etc i would set aside a budget of 2500-3500 dollars. I did all the labour.

    3- How long does it take to install?

    It takes 3-7 days for the full install ... one man working alone.

    4- What hp gain am i looking at ?

    5psi : 35 %
    7psi: 45%
    10psi: 60-70% (requires intercooler)

    Simialr torque gains are expected.

    5- Should i get a stock cat and turbo elbow , or an aftermarket downpipe to replace those 2 parts ?

    Stock parts work well. They also have emissions equipment installed. But, they are really heavy, and they are restrictive which slows down the turbocharger's spool making it less agressive. One thing to not is that by having a less restrictive exhaust side of the turbo, you are raising the minimum boost that the system will run. ie. The car may not be able to run lower than say 7psi with such a setup.

    6- Can i use an alltrac top mount air to air intercooler ?

    On top of a 5sfe, you will never be able to use an alltrac top mount intercooler. I am dead serious. It IS a waste of time , money , and effort to do so.

     ...to the topTop

  2. #2


    funny ... yeah i guess i liked to share my limited wealth back in the day
    2005 C200 Kompressor sport
    K&N Filter, HKS 2.5" throttle pipe, Apexi WS2 Muffler, DIY Voltage Stabilizer, Intrax lowering springs, H&R rear 19mm sway bar, EBC redstuff pads, EBC 13" front rotors, Stop Tech front brake lines, VDO Boost gauge @ 7psi, Greddy Iridium Plugs, Sprintbooster
    On the way:HKS FCD's (12psi), Remus testpipe (2ndary cat), vortech 2:1 FMU

    my blog:
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     ...to the topTop

  3. #3


    share on, boss, share on.

     ...to the topTop

  4. #4


    theres a HUGE post on turboing the 5sfe on 6gc.net
    ill post the link when i get home from school
     ...to the topTop

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