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Forum: Useful Knowledge

  1. All Trac/GT4 FAQ and History

    In this page is the basic information on the car, maintenance, and background regarding the Celica All Trac. About The Celica All Trac Origin Way back in 1972, Toyota decided to start competing in rally races. Since then Toyota has made much success modifying their baseline cars to...

    Started by Nitro_Alltrac‎, 08-25-2010
    • Replies: 5
    • Views: 3,428
    11-18-2010 Go to last post
  2. Useful Links

    Thought I would just start this thread to post links to information useful for Alltrac owners. This site has some very useful information. http://gt4.mwp.id.au/

    Started by klapa‎, 03-03-2011
    • Replies: 5
    • Views: 4,610
    08-21-2011 Go to last post
  3. Power Steering Pump & Hose Repair

    Another transfered article. Since it's such a common problem, here's my collection of three Power Steering Pump articles for the 4th Gen ST16X series (ST18X is similar). Enjoy 1) PS Pump & Hose Removal (from the BGB): Note: Don't worry about the SST (below). A monkey wrench, regular...

    Started by Nitro_Alltrac‎, 09-18-2010
    • Replies: 3
    • Views: 3,015
    04-21-2011 Go to last post
  4. Blowoff Valve FAQ

    Blow Off Valve Frequently asked questions Introduction: Pressure release valve or more commonly known as a "Blow Off Valve", releases turbo pressure when the throttle plate is closed. The turbo is still spinning and still creating pressure. The forced air will hit the throttle...

    Started by Nitro_Alltrac‎, 08-29-2010
    • Replies: 3
    • Views: 1,985
    09-01-2010 Go to last post
  5. Toyota Training Video: Center Differentials

    Original Toyota Canada training video for the introduction of the Celica and Camry "Full Time 4WD Manual Transaxle". Shows exactly how both the mechanical and viscous controlled center differentials work. I copied this old VHS training video a few years ago while I was in school, they still use...

    Started by YerRandO‎, 07-17-2012
    • Replies: 3
    • Views: 3,317
    07-20-2012 Go to last post
  6. Widebody Wheel Sizing FAQ

    st185 wide body wheel faq. This is a posting that CMS-GT4 has over at AT.net. There are images that go along with it but still have pull those down. Tune at your own risk. Update: http://www.tirerack.com now has a st185 on their site when viewing wheels. This is a good reference and...

    Started by Nitro_Alltrac‎, 05-27-2013
    • Replies: 3
    • Views: 3,867
    06-05-2013 Go to last post
  7. All Trac Handling FAQ

    This is a repost of a thread that CMS-GT4 put up about 5 years ago. There's good info in it. I wanted to make a thread for the suspension setups of the alltrac. Post your track alignment settings. Maybe we can use this thread to come up with solutions for suspension for track and rally use. ...

    Started by Nitro_Alltrac‎, 09-06-2010
    • Replies: 2
    • Views: 2,816
    12-19-2010 Go to last post
  8. USDM ST185 Specs

    ST165 to ST185 Evolution Compression Increase to 8.8 Transmission Oil Cooler Added Changed to Air/Air Intercooler Side Feed instead of top feed fuel rail (Same as MR2) Intake manifold slightly changed (Same as MR2) CT26 6 bolt elbow vs. ST165 CT26 4 bolt turbo elbow (Same as MR2) Twin...

    Started by Nitro_Alltrac‎, 08-24-2010
    • Replies: 2
    • Views: 1,271
    09-06-2010 Go to last post
  9. Brake Upgrades

    Brake Upgrade Information NOTE:Some of this information, especially the pricing is most likely dated and no longer accurate. This information is here to give you an idea of what may still be available. When you go faster, you need to stop faster. For safety and reliability it's a good idea...

    Started by Nitro_Alltrac‎, 08-24-2010
    • Replies: 2
    • Views: 1,118
    08-24-2010 Go to last post
  10. 3rd Gen 3SGTE differences

    Taking this from MR2.com http://www.mr2.com/forums/threads/62317-2nd-3rd-gen-3sgte-interchangeable-parts GEN3 3SGTE differences - MAP sensor (2.5 bar) instead of AFM - Bosch D-Jetronic (Gen III) vs. L-Jetronic (relatively primitive) engine management - updated turbo - Boost raised...

    Started by Nitro_Alltrac‎, 06-04-2016
    • Replies: 2
    • Views: 7,857
    06-05-2016 Go to last post
  11. Whiteline Handling Page

    Something else I "acquired". I think that Whiteline has discontinued their parts for our cars but this information is still useful. i noticed awhile back that whiteline had taken this down from the whiteline website. currently, I'm on my old computer, and when i was looking though it, i found...

    Started by Nitro_Alltrac‎, 09-06-2010
    • Replies: 1
    • Views: 2,894
    11-15-2010 Go to last post
  12. ECU's

    Some of this data is probably out of date, but it will give you somethings to look for. The Upgrade ECU Page Upgrade ECUs are defined within this website as an existing Toyota ECU that has been modified in some way internally. This ranges from simple rewire to eliminate some features, to a...

    Started by Nitro_Alltrac‎, 08-24-2010
    • Replies: 1
    • Views: 1,082
    08-24-2010 Go to last post
  13. E code gearbox information

    I found this article on the Aussie GT4 site. It's got some good information in it. It applies to the AWD gearbox and the FWD transaxle as well.

    Started by Nitro_Alltrac‎, 10-09-2011
    • Replies: 1
    • Views: 2,517
    10-18-2011 Go to last post
  14. ST185 IG1 and IG2 connectors (big grey and big white one)

    Its always been easy to track down the pinout locations of the ECU, but also on the engine harness are two larger but equally important connectors that go to the body harness... It was important for me to know the purpose of each of these connectors because I am attempting to streamline my...

    Started by l0ch0w‎, 01-23-2012
    • Replies: 1
    • Views: 3,399
    02-19-2015 Go to last post

    Found this in the Forced Induction section. Lagos had posted this up back in 2005. Thought it would be good to have it here. From Lagos: found this official PR on the net, thougth you guys would like it: TOYOTA Press Information FOR IMMEDIATE RELEASE

    Started by Nitro_Alltrac‎, 03-28-2012
    • Replies: 1
    • Views: 2,532
    03-28-2012 Go to last post
  16. 165 ECU Error Codes

    All Trac / GT-four Error Codes From the way it looks from the original AT.net posting, I think this is supposed to be a list of ST165 codes. They may or may not apply to 185's and 205's. Ok, so your check engine light came on. You have opened the hood and checked that it is still there....

    Started by Nitro_Alltrac‎, 08-25-2010
    • Replies: 0
    • Views: 1,036
    08-25-2010 Go to last post
  17. Celica All Trac and GT-four Original Toyota Part Numbers

    Celica All Trac and GT-four Original Toyota Part Numbers Here are some of the most common part numbers you will need for maintaining your Celica All Trac. There are also some part numbers of GT-four parts that you can swap into your All Trac for performance. If you have more part numbers please...

    Started by Nitro_Alltrac‎, 08-25-2010
    • Replies: 0
    • Views: 3,696
    08-25-2010 Go to last post
  18. All Trac/GT4 Troubleshooting

    All Trac and GT-four Troubleshooting Having trouble with your All Trac or GT-four? Read over this Q&A page and see if you can find your problem. Find your particular problem below: Clunk from Rear End while accelerating Low Boost/Loss of Power (Constant) Low Power/Sluggish (When Cold) ...

    Started by Nitro_Alltrac‎, 08-25-2010
    • Replies: 0
    • Views: 1,155
    08-25-2010 Go to last post
  19. Fuel Tuning FAQ

    FUEL TUNING FAQ Q: I raised my boost pressure, now the car stops and shakes when I get the boost going faster A: You have found fuel cut. Fuel will stop being pumped into the engine if the Toyota ECU detects 12 psi on ST165/ST185, and 17 psi on ST185RC/ST205 models. The Toyota ECU is...

    Started by Nitro_Alltrac‎, 08-24-2010
    • Replies: 0
    • Views: 1,168
    08-24-2010 Go to last post
  20. Blowoff Valve Listing

    Bypass Valve / Blow Off Valve Blow off (dump) valve listing The ST165 and ST185 did not come equipped with a blow off valve for turbo protection. Due to the lack of spacing and customer support kits were never created for these vehicles. Here is the information about the universal valves...

    Started by Nitro_Alltrac‎, 08-29-2010
    • Replies: 0
    • Views: 1,055
    08-29-2010 Go to last post

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