Sub-Forums: Engine and Drivetrain Tech Forums
Forum
Last Post
Threads
Posts

Discussions about the USDM 2006+ WRX and WRX STi 2.5 liter turbo flat-four.
2,154
17,974

There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.
7,107
56,392

Who needs a turbo when you have 2500cc? Cams, intakes, exhausts, etc. The 2.2L and 1.8L Subies are cool too.
2,069
15,266

Turbo EJ25! Who said that all Subarus are created equal? Aftermarket turbochargers on factory normally-aspirated engines (factory turbo engines have their own forums).
789
5,488

Cobb AccessPort, EcuTek, TEC, Motec, Link, and others. The ins and outs of high-performance engine tuning.
2,001
11,241

Anything from the EJ20 into an RS to port-a-potties into an STi. Anything about engine and tranny swapping.
726
4,043

Encompasses driveline components such as the torque converter, clutch, transmission, shifter, front and center differentials, driveshaft, rear differential, and axles.
2,220
14,048

3,076
20,499

