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Thread: hey guys What do i need to install a t25 turbo to my stock e15et? full 2

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    First Time Poster nismot is very helpful round here
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    hey guys What do i need to install a t25 turbo to my stock e15et? full 2

    I have just bought a 1986 astra with a et pulsar turbo motor... it has full 2.5 inch exhaust and is running 7 psi.Have a return flow intercooler that i will get piping made for soon aswell. Just wondering what i need to install a t25 instead of the stock turbo.. thanks guys

  2. #2
    Tofu Bang Bang brodeyledwell is someone we respect brodeyledwell's Avatar
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    You need just the turbo & thats it, t25's run oil & water lines but the water isnt overly necessary on them aslong as you let the car cool down for a short period of time, you can also put the t2 compressor housing on the t25 so the piping stays the same as the t25 have a 3 bolt flange from the compressor housing that comes up into like a 2" pipe, so if you can swap the housing over id suggest doing so, I did this to my exa a few years ago & the boost comes on every so slightly later than the T2 but pulls through more of the rev range

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    First Time Poster TOTR31 is very helpful round here
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    T25 install

    hey guys.
    i have just recently purchased an n12 exa turbo. car is standard, but the turbo has shat itself.
    wanting to install a T25, any requirements needed for me to do this?

  4. #4
    Club Member leayr has disabled reputation
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    u will need to rotate the turbo from rwd to fwd setup then the actuator will need to be modified then u will need a custom dump pipe cause t2 4 bolt and t25/t28 is 5 bolt then u will need to shorten the cross over pipe from tb to turbo and shorten the pipe from log to turbo pretty easy job just time consuming goodluck

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