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The Normally Aspirated Powertrain forum on NASIOC is for technical discussion about any NORMALLY ASPIRATED Subaru powertrain parts & problems. Discussion will include powertrain parts & problems both stock and aftermarket.
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07-09-2025 07:53 PM
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26,345 |
289,823 |
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The FA Normally Aspirated Powertrain forum on NASIOC is for technical discussion about any FA Series NORMALLY ASPIRATED Subaru powertrain parts & problems. Discussion will include powertrain parts & problems both stock and aftermarket.
(BRZ)
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02-23-2024 06:56 PM
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34 |
199 |
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The FB Normally Aspirated Powertrain forum on NASIOC is for technical discussion about any FB Series NORMALLY ASPIRATED Subaru powertrain parts & problems. Discussion will include powertrain parts & problems both stock and aftermarket.
(2011+ Forester, 2012+ Impreza, XV, and 2013+ Legacy and Outback)
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07-02-2025 08:29 AM
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83 |
886 |
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The Factory 2.0L Turbo Powertrain forum on NASIOC is for technical discussion about all 2.0L FACTORY TURBOCHARGED MODELS from Subaru. Discussion will include powertrain parts & problems both stock and aftermarket.
('02-'05 WRX)
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Today 04:31 PM
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82,603 |
891,540 |
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The FA Series Factory 2.0L Turbo Powertrain forum on NASIOC is for technical discussion about any FA Series Factory 2.0L Turbo Powertrain Subaru powertrain parts & problems. Discussion will include powertrain parts & problems both stock and aftermarket.
(2014+ Forester XT, 2015+ WRX)
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07-13-2025 01:25 PM
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2,833 |
75,265 |
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The FA Series Factory 2.4L Turbo Powertrain forum on NASIOC is for technical discussion about any FA Series Factory 2.4L Turbo Powertrain Subaru powertrain parts & problems. Discussion will include powertrain parts & problems both stock and aftermarket.
(2019+ Ascent, 2020+ Legacy XT, 2020+ Outback XT, 2022+ WRX)
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03-06-2025 12:09 PM
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19 |
221 |
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The Factory 2.5L Turbo Powertrain forum on NASIOC is for technical discussion about all 2.5L FACTORY TURBOCHARGED MODELS from Subaru. Discussion will include powertrain parts & problems both stock and aftermarket.
(STI, '06+ WRX, Legacy GT, Forester XT, Baja GT)
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Today 03:32 PM
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40,974 |
536,438 |
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The Pre-2002 Factory Turbo Powertrain forum on NASIOC is for technical discussion about all factory & aftermarket Pre-2002 FACTORY TURBO Subaru powertrain parts & problems not covered under other forums.
('Old School' - XT, etc...)
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07-06-2025 08:01 PM
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3,369 |
39,392 |
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The Normally Aspirated with bolt-on Forced Induction Powertrain forum on NASIOC is for technical discussion of powertrain parts & problems for any FACTORY NON-TURBO Subaru engine in it's stock car that has some form of turbo/supercharged added to it.
(2.5RS with a Turbo is the most common type of car in this forum)
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06-13-2025 12:07 PM
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7,931 |
92,141 |
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The Built Motor Discussion forum on NASIOC deals with anything regarding "Building, Modifying, or Swapping Engine Internal Components".
(if you don't get this one, you're definitely a bolt-on-only type of guy.)
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07-12-2025 11:15 AM
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15,293 |
259,173 |
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The Engine Management & Tuning forum on NASIOC is for discussion about Standalone & Piggyback ECU's, Datalogging Software, and Tuning.
(TEC, Hydra, Link, UTEC, e-Manage, Accessport, EcuTek, Deltadash, etc...)
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07-13-2025 03:14 AM
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35,608 |
315,154 |
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The Water/Methanol Injection, Nitrous & Intercooler Cooling forum on NASIOC is for discussion about power adders through either fueling or cooling.
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07-01-2025 12:58 AM
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3,104 |
39,688 |
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The Electrical & Lighting forum on NASIOC is for technical discussion about any Electronics/Lighting related to any Subaru
(gauges, radars, light wiring, turbo timers, etc...)
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Today 12:55 PM
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24,878 |
192,980 |
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The Transmission (AT/MT) & Driveline forum on NASIOC is for technical discussion about any Factory/Aftermarket parts related to the Subaru transmission and driveline
(gears, axles, torque converters, clutches, flywheels, differentials, shifters, etc...)
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sponsored by:  |
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07-14-2025 01:03 PM
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37,562 |
300,113 |
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The Brakes, Steering & Suspension forum on NASIOC if for technical discussion about any aspect of a cars handling performance. Excludes tires and wheels.
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sponsored by:  |
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Yesterday 06:05 AM
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68,525 |
643,060 |
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The Tire & Wheel forum on NASIOC is for discussion about... you guessed it... Tires and Wheels!
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sponsored by: |
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07-08-2025 10:03 PM
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28,397 |
286,724 |
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The Subaru Conversions forum on NASIOC is for technical discussion about any major conversion or swap on any model Subaru.
(engine, tranny, interior, etc...)
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05-29-2025 01:15 AM
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12,116 |
127,263 |
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This Custom Fabrication, Welding & Tools forum is for discussion about tools or custom fabrication with metal, fiberglass, composites, plastics, etc... Retail products, and their dimensions, will not be discussed.
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Today 03:38 AM
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970 |
14,717 |
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The Service & Maintenance forum on NASIOC if for questions & tips about Subaru service & maintenance.
(Oil, coolant, spark plugs, CELs, etc...)
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07-10-2025 07:51 PM
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19,389 |
173,459 |
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The NASIOC Project Cars forum is a place where complete builds on cars can be organized and showcased. Projects will have to be submitted for approval before being allowed in this forum.
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11-09-2024 02:58 AM
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116 |
9,619 |
NASIOC
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