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T40 turbo upgrade??!

R33NismoGirl
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R33NismoGirl Apprentice

R33NismoGirl

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ok fellas... i have the new toy for eugene in my grasps LOL *evil laugh*

it that what i need to do? manifold, external wastegate & oil lines?

or do i just play with the computer? ... unaware of turbos... still learning

i am taken him in for a service asap and they r going to fit unless some nice young man would do it for me cheaper..... lunch & maybe dinner included LOL

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rob77 Veteran

rob77

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ok fellas... i have the new toy for eugene in my grasps LOL *evil laugh*

it that what i need to do? manifold, external wastegate & oil lines?

or do i just play with the computer? ... unaware of turbos... still learning  

i am taken him in for a service asap and they r going to fit unless some nice young man would do it for me cheaper..... lunch & maybe dinner included LOL

I'm pretty sure most T04's are externally gated, this means it wont bolt onto your existing exhaust manifold. You will need a new one which will take an external wastegate, or you can do what I did, had the external wastegate welded onto the exhaust housing, do a search on "td06 stage" in this thread and you might find some photo's of it, if you want photo's pm me your email and I will send them on. Next you will need new oil and water lines (I'm not sure if the T04 is water cooled, correct me if I am wrong) if it doesnt need a water line you will need to have the existing water line plugged up. Next you will probably come across some sort of boost/fuel cut as the stock ecu doesnt like much over 12psi of boost. Following this you will start to lean out at the top end as your stock fuel pump cant cope with the demand of the bigger turbo requiring more fuel. Next your stock clutch will start to slip and then die because it cant handle the extra power. Have I missed anything guys??? Fitting a bigger turbo isnt just a simple case of swapping them over it requires a lot of systems to be upgraded prior... oh I just remembered do you have a bigger intercooler? you'll need a fmic to help stop detonation.

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rob77 Veteran

rob77

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Is her car completely stock? Geez... she started at the wrong end :) If your car is stock, I'd either sell the turbo and get an exhaust (the absolute first thing you do on any car to increase HP is change the exhaust) or put the turbo on a shelf and do a lot of other things first.

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Guest INASNT

Guest INASNT

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ok fellas... i have the new toy for eugene in my grasps LOL *evil laugh*

it that what i need to do? manifold, external wastegate & oil lines?

or do i just play with the computer? ... unaware of turbos... still learning  

i am taken him in for a service asap and they r going to fit unless some nice young man would do it for me cheaper..... lunch & maybe dinner included LOL

What are the actual specs of the turbo?

Coz it might be 2 big or mismatched for the rb25 and u will waste all your $$ putting it on there and will give u shit results.

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KamikazeR33 Grand Master

KamikazeR33

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What are the actual specs of the turbo?

Coz it might be 2 big or mismatched for the rb25 and u will waste all your $$ putting it on there and will give u shit results.

denham, my t04 is huge, n this size works fine on rb25 so hmm i dunno bout too big :P

too small? maybe so

btw jax my manifold is up for sale as im going bigger again

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R33NismoGirl Apprentice

R33NismoGirl

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exhaust is on its way just gotta get down to melb to get it done..... how much for ur manifold yoda?? yes i am doing the other things first. i dunno what sorta turbo it is or isn't finding out today b4 i pay 4 it. i 'm getting it at a cheap price thats y i ave natched it up now.

thanx fellas for the info... i figured the exhaust would ave to b done. yes eugene is stock... coz i dont know anything about turbos. but the twin exhaust is too gay for my baby lol.

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  • 2 months later...
KamikazeR33 Grand Master

KamikazeR33

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the same turbo as mine (which may be up for sale) on a auto soarer 2.5L starts boost at 2100 rpm and has 1 bar by about 3300rpm

im told it would be a little sooner on a manual 2.5L

the exhaust housing a/r is 1.00 from what i could gather. front housing is 0.7 a/r i think

not sure on the wheel sizes

but these turbos can come in heaps of different sizes

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