ihi v39 OK for 03 WRX? - Page 6
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This is a discussion on ihi v39 OK for 03 WRX? within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Originally Posted by MdngtBlueWRX Of course. I would put the good ol TD-04 back if I had a spare one. ...

  1. #76
    Administrator Trainrex's Avatar
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    Quote Originally Posted by MdngtBlueWRX
    Of course. I would put the good ol TD-04 back if I had a spare one. But if all I had was a
    VF-39....(which I dont know what I would be doing with without the supporting mods), and it will allow the use of my car again for a short period, then I would put it on. Why spend another $150 for a used TD-04 when I have a VF-39? I would save that $150 for supporting mods. Just my .02.

    Edit: Also the ECU won't allow the VF-39 to push itself. Remember, it is a very smart ECU to begin with. It will in time learn and compensate. Now all our friend needs to remember is to take it easy and he'll be fine. Again, I want to point out "fine" as being drivable. Not saying fast and not saying 100% good like stock. I'm saying he can use his car again and take it easy till the supporting mods come in.
    I could also drive with 87 octane in the tank, 10 psi in each wheel, disconnect the rear brakes, and leave one lug holding each of the wheels on. Would I make it to work if I took it easy? Yes. Would I want to? No. Some people can half-ass things and risk a $2k motor job, I can't. I guess to each his own.
    The author of this thread asked if it was safe. Most of us answered no. He didn't listen. He later found out it wasn't safe.
    Being a senior member and moderator of this board, I will continue to give sound advice on modifying a WRX. I won't suggest something that isn't safe for the engine. Upgrading the turbo without propper supporting items isn't safe, end of story.

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  3. #77
    Registered User kite_tmr's Avatar
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    Quote Originally Posted by Trainrex
    I could also drive with 87 octane in the tank, 10 psi in each wheel, disconnect the rear brakes, and leave one lug holding each of the wheels on. Would I make it to work if I took it easy? Yes. Would I want to? No. Some people can half-ass things and risk a $2k motor job, I can't. I guess to each his own.
    The author of this thread asked if it was safe. Most of us answered no. He didn't listen. He later found out it wasn't safe.
    Being a senior member and moderator of this board, I will continue to give sound advice on modifying a WRX. I won't suggest something that isn't safe for the engine. Upgrading the turbo without propper supporting items isn't safe, end of story.
    It wasn't that I "didn't listen". The reason that i started this thread was because i was new to subarus and had doubts about the speed shop/mechanics that were working on my car. I needed some evidence that they were pushing me in a bad/dangerous direction. I wasn't going to jump right away because a bunch of weekend warrior subaru enthusiasts on some forum said so.
    As it turns out everyone on here was right (for the most part) and because i posted my initial questions here (and on NASIOC) my car is now safe and running well. Additionally, someone out there may not go through what i went through because of this post...It's all good...
    "xtra telles cause you know we the besst"

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