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ka24 turbo S13 AEM EMS

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Old Jan 22, 2012 | 08:46 PM
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ka24 turbo S13 AEM EMS

This is my RWD toy, nothing crazy just built for the response and a fat torque curve.

Custom Full Race manifold
T25 Garrett (nismo r32 gtr replacement) turbo
Motec m130 (as of 2025)
V mount IC/rad
91 octane + e85 (full flex fuel with VE flex fuel sensor kit)
ID1050x injectors ka24 with 11mm tops
inline AEM fuel pump
VE wideband knock kit (with Coax shielded harness)
Buddy club race spec coils for the street
Custom JIC coil overs for track duty

Here is the graph of the bone stock ka24 (boosted at 90K miles and used for another 20K)



Here are some updated results after the fresh engine with ported head, injector dynamic 1050x and some e tuning at low boost.

Big Harold (RIP) and Alex at Brewed Motorsports for the assistance with the engine build.





more boost coming shortly, looking to pass the 400 torque mark on pump gas... we shall see if this little turbo can take it!

Last edited by tunermt; Dec 13, 2025 at 01:32 AM. Reason: updated mods/picture
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Old Jan 22, 2012 | 10:37 PM
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Sorry dude but that's def not a T25 making that much power. Maybe a bigger t28...
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Old Jan 23, 2012 | 03:38 AM
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Was actually under the impression this was a gt28 as well my friend however after checking the Garrett part # as well as both wheels inducer/exducer it is indeed a 270 deg water cooled non bb t25. This was a bit disappointing to say the least but I do have a s15 gt28 laying around, would only have to change the 5 bolt dp flange....
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Old Jan 23, 2012 | 07:08 AM
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You know I dig your work Alex! (y)
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Old Jan 23, 2012 | 09:01 AM
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Also an S13 is not 2960lbs, its way less. Im not trying to bash but Ive been around the 240 game for a while and a T25 will not push that much power on 91oct.
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Old Jan 23, 2012 | 05:10 PM
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Tossed the hatch on the scales at a metal scrapper, gas, passenger car = not as light as one may think not nearly as bad as my 3500+ pound galant VR4 though!
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Old Mar 22, 2012 | 08:47 PM
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Doing a bit more E-tuning to set up the Antilag

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Old Jul 10, 2012 | 03:25 AM
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Nice sunset shot of the car in MT

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Old Oct 15, 2013 | 05:23 AM
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An outing at the P1 circuit in Tuscon AZ. This was the first time i got to do some sliding in just over 2 years it was quite fun to say the least.

Turbo KA24 drifting Tuscan AZ


Last edited by tunermt; Dec 14, 2025 at 03:55 AM.
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Old Nov 7, 2016 | 04:38 PM
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Picked up an extra cylinder head and engine harness last week. She will now have a spare built head, Tomei mls and AEM Infinity 8h ems.

Can't wait to get to some more skid racing out there in AZ

Thought i already posted this but the car also has a "rally style" anti lab system now. (VERY similar design to the mitsubishi rally ALS)

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Old Jan 11, 2021 | 11:50 PM
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really been missing track days in this car, need to get back to her and out for some fun been way to long.
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Old May 5, 2022 | 06:57 PM
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Old Dec 13, 2025 | 01:35 AM
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Anyone else still own their first car? I still have this s13 but now live in another country and the poor car is just hard parked...
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Old Dec 13, 2025 | 04:07 PM
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Nah, mine was 87 Sentra that ran on 3 cyls, no long term feely value.
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