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Why an EJ22?
Posted 04 January 2006 - 12:25 AM
just figured id throw that out there.
Posted 04 January 2006 - 12:58 AM
Posted 04 January 2006 - 01:29 AM
Posted 04 January 2006 - 02:25 AM
Posted 04 January 2006 - 03:18 AM
Posted 04 January 2006 - 04:18 AM
EJ22 is known to reach just before 500,000 kms.
EJ22 has low rate of wear on pistons.
If i wanted to convert from EA81/EA82 to EJ series, I'll choose EJ22 engine.
Posted 04 January 2006 - 01:38 PM
1. Doesn't like to blow headgaskets regularly.
2. Is a non-interference engine, so it's okay if the timing belt breaks (which can happen to even a new belt if you get mud/water on it.
3. Doesn't have piston slap issues.
The EJ22, since it came in every 90-94 Legacy, is also substantially cheaper and more widely available than any other EJ engine.
That said, I am pondering the possibility of running an EJ22 with an EJ25 ECM and fuel system. Why? In talking to a friend of mine that does Subaru Vanagon conversions, I found out that it's possible to interchange the fuel/ignition systems on the two engines with very little work. The EJ22 fuel and spark maps are designed to produce better top-end power, while the EJ25 fuel and spark maps are designed to produce better low-end power. In trying to build a real screamer, my friend ran an EJ25 engine with the EJ22 ECM. Soooo, in theory, an EJ22 engine running the EJ25 ECM should have more low-end than a stock EJ22. If the VSS could be dealt with, this would be a good conversion for off road use.
Posted 04 January 2006 - 02:58 PM
The EJ22 from the Legacy, 90-94 runs well without the VSS, vehicle speed sensor, which is necessary to get the later cars to run right. basically, its easier to get an OBD I to run than an OBD II.
The OBDII appears to read correctly the old EA speed sensor. I haven't done an EJ swap with an older EJ but did one with a 97 and the wiring was very easy and straight forword. Have people run into problems when trying to swap the Newer EJ's?
Posted 04 January 2006 - 03:02 PM
Posted 04 January 2006 - 03:05 PM
I'm not aware of a speed sensor on any of the EA series cars. Which ones had them?
Well whatever sensor they use to send a signal to the speedo It is a 91 Loyale and had spfi, I would have to look back again to see if the Old ECU needed a speed sensor or not.
Posted 05 January 2006 - 04:19 PM
BUT, the EJ22T is a non-interference motor, OBDI, 181 ft-lbs @ 2800 rpm, are you guys talking lower than that? the turbo doesnt really need to "spool" because its so puny, on wastegate its like 6psi. also for the VSS, ive heard of people converting a ABS sensor (from any car) into a vehicle speed sensor, really its just got to oscillate 5V.
anyways it makes sense why youd pick the N/A EJ22, i was just kinda wondering if anyone had tried the 91-94 legacy turbo EJ22T.
thanks for the input--- im an impreza guy and have that turbo motor in my car and its fun, couldnt imagine it in an off-roadin GL!
Posted 05 January 2006 - 07:12 PM
Posted 05 January 2006 - 09:33 PM
Posted 05 January 2006 - 10:44 PM
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