ISIS T25/T28 turbo: time will tell - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-03-2013, 12:12 PM   #21
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Originally Posted by Braineack View Post
it's common to see a .86 A/R t25 housing.... see the SR20 T25. this thing will spool well, make tons of mid, and still be able to make ~240-250 up top at reasonable levels of boost.
So this thing is definitely bigger than the sr20 t25 from an s13 that I have? Sounds like its closer to the 2560 or the s14/s15 turbos.
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Old 04-03-2013, 12:17 PM   #22
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Quote:
Originally Posted by Braineack View Post
it's common to see a .86 A/R t25 housing.... see the SR20 T25. this thing will spool well, make tons of mid, and still be able to make ~240-250 up top at reasonable levels of boost.
Unless you are putting it on a 1.6 like me
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Old 04-03-2013, 12:38 PM   #23
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Quote:
Originally Posted by Fireindc View Post
So this thing is definitely bigger than the sr20 t25 from an s13 that I have? Sounds like its closer to the 2560 or the s14/s15 turbos.
it's a 50 trim 60mm compressor wheel

Here's the difference between the two:



so yeah, it's bigger.

the 2560 is a 60 trim 60mm wheel, same turbine, and BB.
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ISIS T25/T28 turbo: time will tell-t3_vs_t25_wheel.jpg  
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Old 04-03-2013, 12:39 PM   #24
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Originally Posted by BTMiata View Post
Unless you are putting it on a 1.6 like me

it wont spool as well, no, but the same applies, just have to give it more boost.
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Old 04-03-2013, 01:14 PM   #25
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Originally Posted by Braineack View Post
it wont spool as well, no, but the same applies, just have to give it more boost.
More boost it shall get!
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Old 04-03-2013, 01:55 PM   #26
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Originally Posted by Braineack View Post
it wont spool as well, no, but the same applies, just have to give it more boost.
I ran an SR20 T25 on my 1.6 for a year and a half and it was a riot. Never quite had the top end punch but it was a really meaty power band.

These ISIS turbos seem to get the job done, for a street car it'll probably be fine. For track abuse who knows?
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Old 04-03-2013, 02:06 PM   #27
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If you can make 250whp with this thing, it will be perfect for the stock motor.

Do want.
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Old 04-03-2013, 02:09 PM   #28
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Originally Posted by Rokomis View Post
I ran an SR20 T25 on my 1.6 for a year and a half and it was a riot. Never quite had the top end punch but it was a really meaty power band.

These ISIS turbos seem to get the job done, for a street car it'll probably be fine. For track abuse who knows?

my T3 spools better than other SR20 T25s I've seen on a 1.6L, and I can still make 240tq/240hp at the wheels, suckers.
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Old 04-04-2013, 01:13 PM   #29
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Originally Posted by Braineack View Post
my T3 spools better than other SR20 T25s I've seen on a 1.6L, and I can still make 240tq/240hp at the wheels, suckers.
Ya, mine was a cost decision. $100 for a functioning T25 had me sold.
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Old 04-29-2013, 03:11 AM   #30
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That t25/t28 ISIS turbo looks identical to the one used in the BEGI shanghai system.

It is made by TBO turbo with specs available here: www.tbo-turbo.com
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Old 04-29-2013, 07:42 AM   #31
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haha yup. Casting marks look IDENTICAL... and the dim's that I was able to get match up well.
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Old 05-01-2013, 03:40 PM   #32
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Hmm, anyone had this installed with it up and running? I just bought myself the ISIS turbo but im still slowly funding the project...
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Old 05-01-2013, 03:43 PM   #33
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Originally Posted by HkFever View Post
Hmm, anyone had this installed with it up and running? I just bought myself the ISIS turbo but im still slowly funding the project...
Not yet unfortunately... I'm still in the same boat. I still need ms3x, ID 725's, bov, exhaust, etc... Prob won't have mine together till next summer
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Old 05-01-2013, 03:48 PM   #34
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Originally Posted by BTMiata View Post
Not yet unfortunately... I'm still in the same boat. I still need ms3x, ID 725's, bov, exhaust, etc... Prob won't have mine together till next summer
hmm, maybe i'll be the one to find out lol... i have my MS3x and ID1000, i just need BOV, exhaust, and FMIC.. and some misc parts...
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Old 05-01-2013, 03:56 PM   #35
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Originally Posted by HkFever View Post
hmm, maybe i'll be the one to find out lol... i have my MS3x and ID1000, i just need BOV, exhaust, and FMIC.. and some misc parts...
Yup you are closer than I.... I should really have ARTech make me an exhaust while he is doing my mani/DP but he is just about ready to start my stuff and I am outa cash for the time being.... I need so much stuff on top of all the turbo parts too... Wheels, Tires, Coils, Torsen, upgraded clutch...ughhhh the list is endless lol
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Old 05-01-2013, 04:01 PM   #36
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Yup you are closer than I.... I should really have ARTech make me an exhaust while he is doing my mani/DP but he is just about ready to start my stuff and I am outa cash for the time being.... I need so much stuff on top of all the turbo parts too... Wheels, Tires, Coils, Torsen, upgraded clutch...ughhhh the list is endless lol
u can get an exhaust from Enthuzacar for only $500 or so for a 3", and yes... turbo projects are brutal lol... this is my second turbo project.. my cousins talked me into doing it... jerks....
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Old 05-01-2013, 04:02 PM   #37
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I should have my car up and running with this turbo in a week or so. Motor is going back in this weekend.
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Old 05-01-2013, 04:04 PM   #38
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Originally Posted by 240_to_miata View Post
I should have my car up and running with this turbo in a week or so. Motor is going back in this weekend.
nicee, keep us updated on how the turbo runs! im curious how fast it spools..
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Old 05-01-2013, 04:06 PM   #39
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Quote:
Originally Posted by HkFever View Post
u can get an exhaust from Enthuzacar for only $500 or so for a 3", and yes... turbo projects are brutal lol... this is my second turbo project.. my cousins talked me into doing it... jerks....
I might have to grab one when the time comes... Artech's exhaust is $450 shipped... Good price but long wait time.... 7 - 8 weeks goes by sooo slow lol
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Old 05-01-2013, 04:08 PM   #40
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lol yeah sounds like he's a busy guy... but if u have time to wait, wait for artech, im sure his exhausts are better. I wouldn't mind using that 3" tho, probably total $550 shipped to my house. I like my stuff to come soon after I pay for it =)
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