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Thread: Garrett T25 A/R 0.42 - suitable or too small?

  1. 21st April 2015, 03:23 PM #1
    mark2
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    Garrett T25 A/R 0.42 - suitable or too small?

    Bought a low mount manifold and a few other bits and am now sourcing a second hand turbo (budget constraints), for fit up to my Perentie.

    Based on Dougal's experiences and reports, I've been looking for a T25 a/r .49 from a CA18DET but they're proving a bit hard to find, especially in good condition. Boost from low rpm, driveability and towing performance is important to me, more so than big numbers at high (3000 + rpm). I wont be intercooling at this stage and the exhaust will also remain stock for now.

    There are plenty of T25 a/r.80 from SR20's around, but the forum consensus seems to be that these will not be ideal.

    I've located a good used Garrett T25 a/r .42 from a Saab 9000 and would appreciate feedback regarding whether this would be suitable for my application, or would it be too small/restrictive?
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  2. 21st April 2015, 03:55 PM #2
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    Eevo
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    Garrett GT2560R should be suitable, as it was factory for the sr20
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  3. 24th April 2015, 06:21 AM #3
    mark2
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    Well I've bitten the bullet so to speak and ordered a new TD04HL -19T. So hopefully no more 'is this turbo suitable' questions from me.
    I'm sure my wife will eventually forgive me....

    This kit comes with an oil line, is it advisable to use a restrictor in the oil feed?
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  4. 24th April 2015, 06:51 AM #4
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    Eevo
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    edit: wrong turbo.

    although a good turbo, there are better ones if your buying new
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  5. 24th April 2015, 07:03 AM #5
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    Whats wrong with this turbo Eevo?
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  6. 24th April 2015, 07:06 AM #6
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    Quote Originally Posted by mark2 View Post
    Well I've bitten the bullet so to speak and ordered a new TD04HL -19T. So hopefully no more 'is this turbo suitable' questions from me.
    I'm sure my wife will eventually forgive me....

    This kit comes with an oil line, is it advisable to use a restrictor in the oil feed?
    What actuator spring does it have in it? Mine had the 7lb one, I changed it for a 20lb one, but I am running around 25psi. You can wind the 7lb one in to get more boost, just depends what you are chasing.
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  7. 24th April 2015, 07:17 AM #7
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    Quote Originally Posted by Vern View Post
    Whats wrong with this turbo Eevo?
    ive edited my original post as i thought it was made by hypergear and its not.
    its a Mitsubishi turbo, i think it came on their Evo's.

    not a bad turbo but there are better.
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  8. 24th April 2015, 07:20 AM #8
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    Where is this info? I run this on my Isuzu as do many others, works really well with this motor. As I said I'm running 25psi in mine, plan to boost it up some more with the new motor. There is plenty of info on here about this turbo, its easily as good, if not better than the gt2260vnt I ran before it.
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  9. 24th April 2015, 07:49 AM #9
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    Oh yeah there are better, but at double the cost! For under $1000 brand new, its great bang for buck. Has been sized for this engine as well by the turbo/isuzu experts. Comparable to the he221 in output.
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  10. 24th April 2015, 06:59 PM #10
    mark2
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    Quote Originally Posted by Vern View Post
    What actuator spring does it have in it? Mine had the 7lb one, I changed it for a 20lb one, but I am running around 25psi. You can wind the 7lb one in to get more boost, just depends what you are chasing.
    It comes with the 7 lb spring, but I've also ordered the 1 Bar (about 15 lbs) spring. Maybe I should have ordered a bigger one but not intercooling at this stage so maybe 15 lbs is enough.

    Any thoughts on an oil restrictor or just use the oil line it comes with?
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