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SlowishGC's NA Build
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Old 09-27-2017, 10:17 AM   #1
SlowishGC
1.8L
 
Car: Subaru Impreza 2.5rs
Join Date: Sep 2017
Trader Rating: (0)
Posts: 9
Default SlowishGC's NA Build

Thought I'd post on here for the NA build guys.

Car: 2000 Subaru Impreza 2.5rs
Type of Dyno: Dynojet
Fuel: 93 octane
Peak HP at RPM: 177whp @ 5750RPM
Peak Torque at RPM:170wtq @ 4700RPM




Mods:
Tuned by Kienan at All Aspects Motorsports (Project Lambda BlueSSM ECU Reflash)

Engine
Group N motor mounts

Block was rebuilt by Abacus racing with manley rods and 100mm (stock compression) je pistons(rookie mistakes were made on this build). Bored out slightly for better fitment.

Heads
Work done by Abacus.
Ported and polished and re-blended, Delta Cams 1500 grind, Supertech Valvetrain.

Transmission
Act Lightweight flywheel
Group N transmission mounts


Exhaust
Autoparts store special Cold(lol) Air Intake (previous owner)
Full Tsudo Exhaust from headers back.

This shows the before and after the tune.


Why? One thing led to another and before I knew it I had built up a NA motor. The plan was to supercharge it but I'm content with the results. I maxed out my injectors and therefore it was running a little lean at stock elevation. I'm now at about 5000ft elevation and things have appeared to even out. I pick on stock (EJ20) wrx's at high elevation which is fun in it's own right, but that's about all I can pick on. Would I do it again? Yeah, I personally love the throttle response and somewhat sleeper status I have.
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Last edited by SlowishGC; 09-27-2017 at 04:31 PM..
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Old 09-27-2017, 10:34 AM   #2
station2station
2.0L Turbo
 
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Well... I think it is awesome you are doing NA. IF you like it then that is all that matters. And truth be told I TOO enjoy my NA builds...

The car looks very clean... nice job! I didn't see where this is 5mt or 4eat? Have you considered differential upgrades?
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Old 09-27-2017, 11:09 AM   #3
SlowishGC
1.8L
 
Car: Subaru Impreza 2.5rs
Join Date: Sep 2017
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Posts: 9
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It can be inferred by the lightweight flywheel . But yeah it's 5mt. The dream is to get a cusco 35/65 center diff but I'd have to do more research and have more pressing things to fix on the car.
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Old 09-27-2017, 01:29 PM   #4
postwarart
2.2L
 
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Looks well maintained, any suspension mods in the works?
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Old 09-27-2017, 03:39 PM   #5
SlowishGC
1.8L
 
Car: Subaru Impreza 2.5rs
Join Date: Sep 2017
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Not for a bit. I live out in Idaho right now and it's a combination of some fun dirt roads and some well paved mountain roads. The stock RS suspension gives a bit of the best of both worlds for these conditions. Maybe wayyy down the road I'll get some fortune auto coil overs (when I move back out east), bushings, whole nine yards etc... But right now stock suspension works really well.

Last edited by SlowishGC; 03-05-2018 at 02:55 PM..
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Old 09-27-2017, 04:03 PM   #6
tomq91
2.0L
 
Car: 2000 2.5rs brp
Fav Mod: ridiculous rear wing
Join Date: Feb 2016
Location: Idaho
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I'd love to see under the hood. Have you thought about individual throttle bodies? North or south Idaho? I live close to spokane.
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Old 09-27-2017, 04:12 PM   #7
SlowishGC
1.8L
 
Car: Subaru Impreza 2.5rs
Join Date: Sep 2017
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I'm down in Idaho Falls. Looks pretty stock under the hood except for the autoparts store special intake. ITB's have always been a dream of mine. But I'm going for a reliable daily right now that's not going be too fussy when it get's too cold out. But should I finally settle down I'll look into that route. I just saw someone did it on here and was surprised because finding any information on subarus and ITBs was nigh impossible.
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Old 09-27-2017, 04:12 PM   #8
snake32
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What did you use for Tuning it
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Old 09-27-2017, 04:30 PM   #9
SlowishGC
1.8L
 
Car: Subaru Impreza 2.5rs
Join Date: Sep 2017
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Project Lambda BlueSSM
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Old 09-28-2017, 01:58 PM   #10
tomq91
2.0L
 
Car: 2000 2.5rs brp
Fav Mod: ridiculous rear wing
Join Date: Feb 2016
Location: Idaho
Trader Rating: (0)
Posts: 51
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Do you have an end goal for the build?
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