History: 1987 SUBARU Leone RX/II, US-Spec. Grassroots 2004 Challenge car, CCR-SCCA 2005 Solo2 Street Modified Year championship winner, numerous other events winner and trophy winner. Now sitting with 200,300 miles on the chassis.
Previous EA82T was the record setter in power with STOCK engine management, internals and turbo. @15 psi it put down to all 4 wheels 165 HP and 225 ft-lbs of TQ. Estimated 240 Crank HP and 300 Crank TQ. This engine still lives on today in JWX's 1988 RX with approx 40k miles on it since the headgasket reseal. Over all it has well over 200k miles on the original mechanical components, with over 50 autox's on it as well as a full road course track day.
The most recent EA82T was not so glorious...was the experimental engine for MegaSquirt EFI. Was very succesful. However, the accesory drive belts snapped one day and the car overheated...blowing headgaskets. With no more good parts and whole engines left...I handed over all my busted and good EA82 engines and parts to JWX. It was possible to assemble ONE good running EA82 out of the mess...but I'd rather have kept all of those pieces to further maintain an already good running EA82...so now JWX has enough to keep several EA82's alive though the next world war.

Plan A was to assemble some EJ engines I had laying around and run it with MS. EJ205 DOHC turbo heads on an EJ257 block...with a VF39, AWIC, full intake and TBE. Those hybrid engines make well over 300 hp and 350 tq TO THE WHEELS. A 6spd or built 5spd was in order.
Plan A had a tremendous cost. Approx $600 for the engine, and about $3,000 for the transmission. No go.
Plan B was an N/A EJ22E. Plan B is in effect.
Plan B.1 is to in the meantime build an EJ257 with EJ253 heads and manifold...10.5:1 compression, and more goodies for ~220 N/A ponies and a FLAT TQ curve. Plan B.1 will be the final step in powerplant for the RX.
After Plan B.1, front center and rear diffs, solid-fully adjustable lightweight aluminium suspension components that fully comply with Solo2-SM rules.
Other mods...Impreza 2.5 RS seats, MSD Knock Alert to assist with tuning, AEM UEGO Wideband guage and output to ECU for tuning...and the big one...
AEM EMS to run the EJ22E and EJ257.NA.
Why an AEM?
First, I got it at a good deal.
Second, you can make an EJ22E be an EJ205. How? Cam wheel from a 2005 EJ251/3, Crank wheel from the same OR any EJ205/EJ257. Then, an EJ205 (WRX) Throttlebody on the EJ18E ntake manifold. Why EJ18E? Eliminates the stock idle valve found on EJ22E's and EJ25D's, making for a cleaner engine appearance. Next, WRX wiring harness ends for the ECU. All you need to do is wire up for the IACV, TPS, Cam/Crank, coolant sensor and the wideband. The Ignition coil is still unknown, but ANY AEM box can run any car that AEM has the EMS out for...all that's different is the actual plug and play ECU harness connectors. So, I will be converting this over to a single coil pack instead of Coil on Plug.
Why turn away from Magasquirt? It cannot meet my insane demands. Otherwise, if I were more simple in my quest for engine management, I would be MORE than happy with the MS.
I simply want more resolution, instant closed loop idle control, VERY advanced knock control with tables for it, switch activated maps, and outputs to control AVCS. I still might find some AVCS heads for the EJ257.NA project.
Why no turbo? After playing with many turbo cars....they just become too unreliable and fineky once modified beyond stock. Even in stock form...:-\
I beat on my outback RELENTLESSLY every single day. The EJ25D in it is UNKILLABLE. I've put over 50k miles of pure abuse to it...and nothing has broken. Sure the headgaskets finally said F-you at 206k miles...but now its got 223k on it and it still smiles back at me when I bouce it off the revlimiter 6 times a day.
Plus, in N/A form, under 3.0 litres in SM, the min weight in 2400lbs. Right now last weighed with the EA82 in it...it weighed in at 2490lbs. I can still loose more elsewhere legally.
So, to N/A EJ I go with a US-Spec WRX AEM EMS, the 30-1810 box since I already have an external UEGO, no need to get the 1810U with internal UEGO. The gauge is useful.
Right now I have:
Fully assembled EJ22E that just needs the cam wheel and timing belt covers, then its ready to go.
RS seats are awaiting adapter brackets.
Knock alert is installed.
UEGO is installed
Borla header is on its way.
Random Tech Highflow Cat for 2.5 RS is on its way.
New springs (10k/8k) on the way.
New rear dampers are on the way.
AEM is present and accounted for.
EJ-EA adapter plate, thanks to 88HatchMonster will be on its way monday.
ECU harness connectors are yet to be located.