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Post by hippy on Dec 11, 2012 17:39:13 GMT -5
it might be a turd but even science and tenacity shows that you can shine S#!&
keep up the good work
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Post by Armageddous on Dec 11, 2012 21:23:36 GMT -5
Thanks. I intend to work on my car this coming spring/summer.
Terry
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Post by redfathom on Dec 12, 2012 2:45:13 GMT -5
should have kept that first gen valve cover metal beats plastic any day. weird. I have my o2 unplugged altogether and the light hasnt come on yet for this. isn't the justy efi based on the nippondenso system? www.google.com/patents/US4103649
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Post by Armageddous on Dec 12, 2012 21:54:32 GMT -5
I did have the aluminum valve cover on until I built the air intake. It is very difficult to get an air intake underneath a 1st gen hood with the bulky valve cover. The plastic valve cover is flattened to allow a pipe to go over it.
Terry
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Dunk
EF12 Turbo 12psi
Posts: 576
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Post by Dunk on Dec 13, 2012 13:09:34 GMT -5
Car look good, you have done a nice job of it I don't understand where Subaru got the stupid idea to run the EFI intake over the valve cover and exhaust manifold, it will inevitably raise the intake temps Dunk
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Post by Armageddous on Dec 13, 2012 18:29:55 GMT -5
From an engineering standpoint it does make sense. Cars run better with warm air (not necessarily more efficiently). We all remember the elephant trunk connecting breather boxes to exhaust manifolds. I have seriously considered blocking off the regular location for the throttle body and making it on the passenger side. For that I would need to be able to modify the aluminum and I'm not set up for it (or rather I would completely abort it). Doesn't mean I won't try when I get some time. Oh, and an update I suppose. I will be removing my large oil pan in the next little while, it will be up for grabs. Also I think I'm going to scrap the MegaSquirt idea, as I drive my car every day and I haven't had any issues with it. Cleaning up the wiring I will be doing for sure, after I fix a few other issues with my car that are not engine/running related. I will probably build the MegaSquirt for our other car (98 Outback). Terry
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Dunk
EF12 Turbo 12psi
Posts: 576
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Post by Dunk on Dec 15, 2012 17:00:11 GMT -5
But we all know an engine will make more power with lower intake temps as the air is more dense, I have seen an Impreza wrx make 5hp more just from an intercooler spray kit using screen washer jets.
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Post by Armageddous on Dec 15, 2012 20:05:14 GMT -5
Yea, again tho, if the engineers cared about power they would have not used a balance shaft and used a light flywheel and cold air intake, among other things. They cared about the car appealing to grandma too and that means it has to run smooth and consistent. Also the power gains on a Justy are probably barely noticeable, although now that I think about it why would the IAT sensor be at the airbox if the intake is heated up by the exhaust?
Terry
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Post by Cañon Carver on Dec 22, 2012 19:43:37 GMT -5
I too have a ready built spare EFI engine that I have planned for a first gen I love this build. -Jamie
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Post by Armageddous on Dec 23, 2012 12:23:29 GMT -5
Cool. I highly recommend doing the swap, it felt/feels like a new car. The EFI motor has a little more power but the type of power is most noticeable. No laggy or "dead spots" in the acceleration, and much better feeling in the high end like above 4000rpm. Also just jumping in on a cold as hell morning, flashing it up and driving is really nice, no choke or waiting for it to warm up before it comes drive able.
Terry
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Post by justyforme on Jan 25, 2014 12:33:01 GMT -5
Hello Terry. Thanks for all the info thus far. I have everything I need for the swap. 88 just and my fully functional 94 efi. May I please ask for a run down of the wiring setup as you have done yours. This is all I need to get rolling. Thanks again Adam
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