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Everything posted by Legacy777
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Yeah the 93 should be a direct drop in.
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I went to 92 engine management for a different reason. I had swapped in 92 fuel injectors. They were different then the 90-91 models. Since I swapped in the injectors, the car seemed a little sluggish and my mileage was crap. I attributed it to the differences in EM programming and the different injectors. I ran on my AT ECU for a while before I got my 92 ECU, and it worked fine. As I said, the ECU is outfitted to be able to run in either AT or MT mode as long as the identifier pin and other associated wiring is corrected.
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If you're continuing to get the code, and have replaced the sensor. The problem more then likely is either in the wiring or that the cat is truly not working as well as it's supposed to. You don't want to clean it with solvents. They make cleaners you can buy and dump in your tank that's supposed to help, but I don't know how well they'll work. If you can find seafoam, give that a shot www.seafoamsales.com
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Steve, I don't think there's much difference between those models. I'm not sure how many forester owners there are on here, but in terms of the newer generation cars. They are definitely more civilized and what not. If you don't get any further replies, you may want to check out the forester forum on http://forums.nasioc.com/forums I think edmonds may have a forester specific forum too.
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Here are the scans I was talking about. This describes the AT http://www.main.experiencetherave.com:8080/subaru_manual_scans/FSM_Scans/AWD_transfer_system1.jpg http://www.main.experiencetherave.com:8080/subaru_manual_scans/FSM_Scans/AWD_transfer_system2.jpg http://www.main.experiencetherave.com:8080/subaru_manual_scans/FSM_Scans/AWD_transfer_system3.jpg MT http://www.main.experiencetherave.com:8080/subaru_manual_scans/FSM_Scans/AWDMT_description.jpg Center diff http://www.main.experiencetherave.com:8080/subaru_manual_scans/FSM_Scans/MT_centerdiff1.jpg http://www.main.experiencetherave.com:8080/subaru_manual_scans/FSM_Scans/MT_centerdiff2.jpg http://www.main.experiencetherave.com:8080/subaru_manual_scans/FSM_Scans/MT_centerdiff3.jpg
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The engine management goes with the particular sensors that were used. If the AT sensors & ECU were retained, that's fine. Everything will work fine. If they mixed and matched sensors with ECU's, then that's not good. There is a MT/AT identifier pin on the ECU. That will tell the ECU what transmission it has, and will adjust things accordingly. Read my swap write-up. I go into detail the modifications that need to be done to get the wiring correct. www.surrealmirage.com/subaru/swap
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The AWD systems on the auto and manual trans are completely different. The automatic uses clutch plates, and a hydraulic solenoid which actuates the plates like a typicaly automatic transmission. The manual uses a viscous coupling attached to the center differential. There are inner and outer plates in the coupling along with a silicone type material that becomes more viscous as the plate "shear" it. I've got technical scans, but one of the drives on my server is crapping out. So once I take care of it tonight, I can post those scans. The rear housing is different on the FWD 5spds, however you really don't see many of the rear housings and transfer sections of the AWD trans floating around. I would just try and find a complete AWD 5spd.
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fuel tank
Legacy777 replied to orviszj's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
Yeah the rear end must come out, and pretty sure you're going to have to remove the rear crossmember as well. I don't think there's enough room to snake the gas tank out with it in. -
Have you read my write-up? www.surrealmirage.com/subaru/swap All of the 90-94 legacy tranny's will work. Your 94 4EAT has a 3.90 final drive ratio. The 91-94 turbo legacies were the only ones with that final drive ratio. So unless you get one of those transmissions, you will need to swap the rear diff too. Dual range transmissions were not available on the 90-94 legacies. Your best bet is to find a donor car, that way you have everything, and don't have to piece-meal the parts needed.
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As I've found out with my recent compression test on my n/a ej22. The actual final values may be off from what they're supposed to be due to gauge inaccuracy. However cylinder pressure variance is important. When you did the compression test, was the engine warmed up all the way, injector connectors pulled off, and throttle plate open all the way?