1.8s with Sr20 T25s. Some info please
Ive done some searching and have seen only acouple dynos/threads. ive heard they are a good cheap option...ive also heard they are far too small.
My goal is 220whp. anyone have using the Sr20 t25 that would like to share their setup and opinion of it ? |
Look at my signature. 225whp with a SR20 turbo. Very cheap to obtain, cheap to rebuild, fast spool, etc. The dyno was on a stock '99 1.8 liter with 460cc injectors, running approx 12psi. What year is your engine?
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Don't look at my dyno thread. I'm at 155 with power that flat lines at 5000ish rpms due to a crappy 2.5" exhaust choking it off. BUT it shows that with a smaller engine, 2psi less than thirdgen's dyno, and a shitty exhaust I'm only 65hp off your goal.
Just do yourself a favor and get 3" exhaust and hopefully no cat. |
95 with original engine at 120k, ive done the Exhintake mod to it already which I cant seem to find info on if its turbo friendly
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I have 2.5" exhaust BTW.
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i got 225 rwhp with a pretty aggressive tune, 2.5" dp, 3" exhaust, 550cc, fmic
i got 206 on a different dyno with stupidly conservative timing. Both on a stock 96 1.8 and about 12-14 psi Dirt cheap and pretty easy to rebuild too. |
Look at 240's torque as compared to mine. We have basically the same HP, but his car should walk mine due to the torque...for now ;)
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SR20 T25 turbos are an awesome low-buck option for 200-220whp.
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y not go with a cheap ebay t3?
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Originally Posted by thirdgen
(Post 918699)
Look at 240's torque as compared to mine. We have basically the same HP, but his car should walk mine due to the torque...for now ;)
Although now with my new motor at least I am 9:1 compression. . . And I still have water/meth kicking around waiting to be installed :giggle: |
I'm using a t25 and love it.
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2 Attachment(s)
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Im picking up a rebuilt sr20 T25 this weekend hopefully. I think the t25 will be a good turbo for me, im hoping ill be happy making only 100whp more than I do now lol
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torque really seems to fall off pretty hard on the top end with these turbos. question to those who are using the T25, does it still feel like the car pulls pretty well all the way to7k
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pulls better than stock, but you notice the lack of top end. but the low end is FUN. it's a great street turbo.
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T25s making around 200-220whp is that setup that can be used on the track reliably ? or are they so inefficient at those power levels that they can only be used for occasional abuse on the street ?
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Originally Posted by AllSystemsNominal
(Post 921150)
T25s making around 200-220whp is that setup that can be used on the track reliably ? or are they so inefficient at those power levels that they can only be used for occasional abuse on the street ?
I upgraded to the inconel M10's and and gave up on running gaskets on the downpipe surfaces. My last track day was at wastegate pressure with the original m8 studs and shit got loose. |
Originally Posted by AllSystemsNominal
(Post 921150)
T25s making around 200-220whp is that setup that can be used on the track reliably ? or are they so inefficient at those power levels that they can only be used for occasional abuse on the street ?
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In case you were wondering, gt2554 is pretty much the same as sr20 t25. I think the turbine wheel in the sr20 is actually .1mm bigger or something. They are so close in size it's ridiculous. If you're concerned if the sr20 turbo will make enough power, find a blown s14 turbo with a good compressor and swap the compressor and wheel. The basic sr20 t25 uses a 56mm 60 trim compressor wheel, while the s14 uses a 60mm 60 trim wheel. The upgrade takes it from a gt2554 sized turbo to a gt2560 sized turbo.
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How close is the turbine side of the T25 (.64ar) to that of the gt2560 ???
I know you can get T28 compressor wheels installed into T25s for under $300. If that will make my t25 flow like a gt2560 I just might have to do it. |
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