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Everything posted by Legacy777
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2.2 head swap
Legacy777 replied to Green's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
Please try and refrain from starting multiple posts on the same subject. I've moved all the replies from your other threads to this one. Please continue all discussions here. Thanks -
When converting the first gen legacies to r134a, I usually recommend replacing the receiver drier with a new one, changing the oil to at the minimum esther based, but PAG is better, and charging the system to about 75-80% of its original capacity. The system refrigerant capacity will be listed on a sticker on the radiator core support. Take a look at my post over the Legacycentral BBS. I go into more detail there. The only thing I would suggest changing is the use of PAG oil over esther oil. That's one I have learned after doing a couple of these. http://bbs.legacycentral.org/viewtopic.php?f=11&t=1083
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When you tested for voltage on the plug going to the pump, were the green connectors still connected? The ECU only energizes the fuel pump relay for about 2-3 seconds to pressure up the fuel system, and then turns off until the engine actually starts. With the green diagnostic connectors connected, the ECU will cycle the relay and you should see 12v going on and off at the plug near the fuel pump. If you still don't see any voltage, I would then try and track down the fuel pump relay and check it.
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I would start by checking the connector under the passenger seat and see if it looks burnt. Sometimes the connection can get hot, cause an arc and fail. Also, I would check the relay. You can connect the green diagnostic connectors, which should cycle the relay, so you can hear if they are working or not.
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Rust repair
Legacy777 replied to mikec03's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
Good post and comments. I think you'll see more comments about rust repair in the old gen forum and some in the shop talk forum. -
fuel pump
Legacy777 replied to ellets's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
I would start by checking the fuel pump relay. It's up under the dash on the driver's side (a real pain to get to). You can connect the green diagnostic connectors and it will cause the relays, including the fuel pump to cycle on and off. See if you can determine if the relay is good or not and go from there. This diagram shows the relay location http://surrealmirage.com/subaru/files/swap/elect_unit_loc/6-3_electrical_unit_location03.jpg Here's a picture of the connectors http://main.experiencetherave.com/subaru/images/ecuhide.jpg -
It shouldn't matter. The outer cam is typically setup for the throttle linkage and the inner cam is setup for the cruise linkange. The inner cam is slightly smaller and may give a little more resistance over the outer larger cam. The knock sensor should be just straight down if you're looking at the throttle cables. Here's a pic of the knock sensor. http://www.main.experiencetherave.com/subaru/images/injectors/DCP_2481.JPG http://www.main.experiencetherave.com/subaru/images/injectors/DCP_2475.JPG Not sure if I answered all your questions. If not, let us know.
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Here's resistance values for the (2-wire) engine coolant temp sensor 2.0 - 3.0 kohms @ 20 deg C (68 deg F) 0.3 - 0.4 kohms @ 80 deg C (176 deg F) Here's the resistance values for the (1-wire) dash gauge sensor 187.6 ohms @ engine coolant temp 46 - 54 deg C (115 - 129 deg F) 19 ohms @ engine coolant temp 116 - 124 deg C (241 - 255 deg F) Here's a scan from the factory manual on the dash gauge. http://www.main.experiencetherave.com/subaru_manual_scans/FSM_Scans/1992_TLegacy_Dash_Temp_Diag_non-USDM.zip Here's the fuel gauge info I have. Similar to what ts39136 posted. E - 92 ohms 1/2 - 48.5 ohms F - 5 ohms
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EJ25T Turbo selection and components
Legacy777 replied to ej25t_BLITZEN's topic in Subaru Transplants
Welcome to the USMB. With that much power, I'd highly recommend a front mount over a top mount. Not sure about the turbo, but to make that kind of power, it's obviously going to be a huge turbo. External wastegate is also probably a must or highly desired. BTW, what are you planning to stick this motor into, and are you wanting 500 wheel horsepower or 500 crank horsepower? -
You need to supply 12v to the CEL output on the ECU. Circuits always sink power better than supplying power. With the test meter, put one side on the CEL pin, and the other side to a 12v source. Even if there are no codes stored it will blink at a steady rate. All the codes can be found on my site. http://www.surrealmirage.com/subaru/engine.html I'll try and work on getting the values tonight. Been busy....