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  1. 90mkiiisupra400hp

    Correct PCV/Catch Can routing.

    Hey guys, I have been searching and searching, and couldn't find a definite answer on how to install a catch can. I found 6 or 7 different ways people installed them but others would chime in on how it wouldn't work, yet the ones who shot it down wouldn't give a clear answer on how it's supposed...
  2. 90mkiiisupra400hp

    Two questions

    The stock bypass valve recirculates air from the 3000 pipe to the accordion hose, then the line from the IACV goes through a metal pipe over the valve covers and into the accordion hose. Then just the PCV hose which you said was already hooked up. Then IIRC, there is a small vacuum line that...
  3. 90mkiiisupra400hp

    maft pro help

    If you haven't been able to get the Maft Pro to connect to Tunerpro still and want a cheap USB to serial adapter then this is the one I use. http://sewelldirect.com/usbtoserial.asp It works great, comes with a CD to install the driver on your computer. It cost me around $18 shipped and only took...
  4. 90mkiiisupra400hp

    Arctic Cat injectors in a supra?

    I hear you, but as many people that are out there with at least a safc or maft pro, I would have thought someone would have noticed this. I myself am using maft pro with speed density and will most likely end up switching out my 550's for something bigger in the future, but I have already...
  5. 90mkiiisupra400hp

    Arctic Cat injectors in a supra?

    Yes they are exactly the same as the factory 7m harness, that's why I was so shocked I had never heard of anyone using then. I was looking around and you can get used ones for about $40 each on ebay, so $250 for plug and play 650cc injectors.
  6. 90mkiiisupra400hp

    Arctic Cat injectors in a supra?

    Hey guys, I was checking out my buddies 2003 Arctic Cat firecat 700 and noticed the injectors looked just like the injectors on the 7m. I took down the part number and looked it up when I got home and found that they are actually Denso injectors. They look identical except they are yellow. I...
  7. 90mkiiisupra400hp

    Whats your fastest highway mph ??

    I went 143 according to my GPS, stock suspension, stock Ct26 at 9psi. It pulled alot harder then I had ever imagined at that speed.
  8. 90mkiiisupra400hp

    '87 Drag Car 7M awesomeness

    Supramania should have a "Envy Button" lol awesome build subscribed!!
  9. 90mkiiisupra400hp

    How much have you spent on your MkIII

    I bought my first Supra 1988 turbo auto with 225k miles for $1,200, I have had it for 3 year and it now has almost 300k miles. The only money I have put into it in 3 years was spent on brakes, crank seal and normal tune ups. I would estimate a total of $2,000 including buying the car so I don't...
  10. 90mkiiisupra400hp

    Rough idle and stalling

    Did you ever figure this out? I am having the same problem, I wired up my Maft Pro and idle goes way rich and stalls out, so I bypassed the Maft and went back to lex/550 and same thing, but I am getting code 21(o2 sensor), I put in a good o2 sensor but the car still won't idle. Just wondering...
  11. 90mkiiisupra400hp

    Help with Maft Pro

    Hey guys just figured I would let you guys know my egr was leaking so I fixed that and now it won't idle at all unless I rest my foot on the gas pedal and VERY slowly take it off then it will idle around 400rpm. Throttle response isn't to bad but if I rev it up and let off it will stall out. I...
  12. 90mkiiisupra400hp

    Help with Maft Pro

    Thanks for replying. OK the only additional electrical load I have is a turbo timer, I don't believe that would cause any problem but I suppose it wouldn't hurt to try unhooking it and see what happens, I guess if there is a bad connection where I tapped the rpm wire in that could be causing...
  13. 90mkiiisupra400hp

    Maft Pro may not be working?

    What did you do besides install the maft pro? Have you checked the grounds on the intake manifold?
  14. 90mkiiisupra400hp

    Help with Maft Pro

    Hey guys, I hate to ask questions but I am pretty much stumped. I just got my Maft Pro V5.22 all wired up with speed density and have had a couple problems getting it to idle right. First off I will say I have checked the ISCV per TSRM and replaced all the vacuum lines so I am confidant I can...
  15. 90mkiiisupra400hp

    Need help with MAFT PRO

    Ok I was wiring it up by using the diagram on here http://www.supramania.com/forums/showthread.php?11783-As-Requested-MaftPro-Install-writeup&highlight=serial and upon reading through the thread I saw where the OP said but on the diagrams it says nothing about the knock sensor that's what I was...
  16. 90mkiiisupra400hp

    Need help with MAFT PRO

    Hey guys I have searched and couldn't find the answer, do I need to cut the knock sensor wire when wiring it up? I am sure the answer is out there some where but I had no luck finding it. Thanks in advance.
  17. 90mkiiisupra400hp

    A few questions about using a wideband with the Maft pro

    You use the wideband to MONITOR the AFR and the maft pro to CONTROL the AFR. You can control the AFR at different RPMs using the maft pro but basically you will only use the wideband as a gauge to keep an eye on things. You can also hook the wideband up to the maft pro to data log and you would...
  18. 90mkiiisupra400hp

    Dies at idle

    Good deal I am glad you got it figured out.
  19. 90mkiiisupra400hp

    Funniest thing you've ever heard about your supra.

    That sounds just like me, my speedo cable broke about a year and a half ago at 276,341 miles, I have been daily driving mine for 3 years now, getting groceries, hauling transmissions, engine blocks, and even lumber and the only thing I have done is oil changes, starter, one ball joint, and...