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Everything posted by NorthWet
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amperage,voltage,and wattage
NorthWet replied to monstaru's topic in Old Gen.: 80's GL/DL/XT/Loyales...
First off, stereo "wattage" is a figure that means almost whatever you want it to mean. What you need to do is find what the rated draw of the stereo is. Hopefully, somewhere in the spec-sheet for it it will list max/min operating voltage, and max amperage draw. As previously stated, wattage is just the product of voltage and amperage. The trouble with dealing with non-DC power figures (stereo) is that power is time-relative: Some power ratings are given as instantaneous (peak), some are integrated (area under the time-domain curve) or RMS, and some are just fanatasy. -
Overheating 87 GL with A/C
NorthWet replied to nathan.chase's topic in Old Gen.: 80's GL/DL/XT/Loyales...
Good advice, and cheap, too! Water pumps rarely if ever fail to pump. It would take something catastrophic to cause this (like a seized bearing/shaft). Their usual failure is leaking. Cold zones in a radiator, especially not just at the very top (which could be coolant level) is an indication of plugged tubes in the core. -
Manually shifting the tranny isn't going to bother it. All it is doing is pushing a little shuttle back and forth in its tranny valve bore. Just don't overrev your engine by forgetting to shift. If yours is a pushbutton 4WD, you can also engage 4WD leaving the light. BTW, you really shouldn't be having this kind of problem unless something is not quite right in the tranny. Guesses are fluid level/condition, governor valve sticky, kickdown system having issues (there is no direct connection between accelerator cable and tranny).
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couple questions (oil psi / wheel bearing)
NorthWet replied to testy's topic in Old Gen.: 80's GL/DL/XT/Loyales...
Unless you did something nasty to them, the front wheel bearings are probably fine. If you hear noises it is probably an axle issue caused by improper assembly/tightening of the axle nut. (more info if you want it) Is your car carb'd or SPFI? (I am not sure what Canada got.) The cold-start sure sounds like a carb. Otherwise (if SPFI) it sounds like the idle valve (not its real name, but tired and can't remember right name). Oil pressure sounds relatively normal. -
What do you want to do? (Too tired to understand "work into") The carb engine is not a direct drop in... the EA81T has special heads and special pistons. The fuel system and engine management are way different. If you are just trying to run a simple motor in it, you would still have to replace the fuel pump (and deal with some minor fuel line differences) and lobotomize the ECU.
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Overheating 87 GL with A/C
NorthWet replied to nathan.chase's topic in Old Gen.: 80's GL/DL/XT/Loyales...
Radiator is partially plugged. Maybe half or better. "hot water rises" doesn't count when all of the water is hot (has to have something to rise within) and it is moving in a turbulent environment. Save yourself some headaches and get a radiator. They aren't too expensive online (radiatorbarn.com is one that I plan to try) and will give you years of worry-free driving. Old radiators are just failures waiting to happen, and these engine do not like cooling system failures. -
*EDIT* Quick question peoples...
NorthWet replied to eddygordouk's topic in Old Gen.: 80's GL/DL/XT/Loyales...
Patience... As long as the seats aren't too wide, they can be adapted to fit. There are several threads about adapting other seats into earlier Subarus. "Search" and "Similar Threads" (below bottom of this thread) would be a good place to start. Basically, they all involve making brackets/adapters to fit the Subaru rails to the new seat. -
GG has good points. IIRC, overcharged will allow the compressor to come on until the overpressure occurs, and then cut the compressor. Is my memory (and my brain) scrambled-eggs this morning? :-\
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Autocrossing the Loyale this weekend... tips?
NorthWet replied to Syonyk's topic in Old Gen.: 80's GL/DL/XT/Loyales...
Car should do just fine without risk of rolling. FWD should also be just fine. I've seen everybody in my class get beaten by a Honda 600. Power isn't everything. -
Probably the low pressure switch, assuming that the compressor is not even trying to come on (cycling on for a second or more and then shutting off). If this is so, the method you used for charging the system may not have been correct. BTW, it will help to know what vehicle this is on.
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Autocrossing the Loyale this weekend... tips?
NorthWet replied to Syonyk's topic in Old Gen.: 80's GL/DL/XT/Loyales...
Huh??? -
Tranny cooler is for automatic, not manual. Too much bother to go with a WRX radiator, just get a new 2-row-core COPPER radiator and you will be fine.
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I don't have a lot to pass on right now except: The uninterrupted-12v wire needs to be just that. You do not want it to be a switched power source (like switched at the ignition switch) because it is what maintains station presets and other remembered settings. There should already be an uninterrupted power line for the stock radio. The switched-power is the one that will allow the stereo to come on like a stock stereo.
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Megasquirt WebSite: http://www.msefi.com/ And major USMB thread about it: http://www.ultimatesubaru.org/forum/showthread.php?t=19123 IIRC, the ECU uses a 6502 uP (might be 6809... been awhile since I looked and it was an 85 ECU). If you wanted to build a new ECU that used a more modern processor and used the existing pinout/wiring, that would be interesting.
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I beg to disagree with your understanding of this. Too hot of a spark plug will cause preignition (somewhat by definition); preignition will cause some loss of power, increase in engine temps, and a predisposition to detonate. Detonation is the uncontrolled, rapid, abnormal combustion of the combustion chamber's endgas (that part of the mixture furthest from the point(s) of ignition). Pinging and knocking are 2 interpreted variations of detonation, depending on how much endgas is involved. Detonation is common, preignition is not, but they both can feed an escalating cycle of each other. Almost by definition, an engine's combustion is at its most efficient when right at the edge of detonation, so most modern cars are tuned to be on the edge. It is common for engines to ping (detonate) lightly under load as the engine management tries to walk the line. By lightly, I mean a couple pings interspersed over a second or two. Any oil in the intake mixture will greatly increase the likelyhood of detonation, as oil is less stable in the endgas and will degrade quickly into lower flashpoint molecules. A knock sensor senses all vibrations, and its controller looks for signals with very rapid rise and fall times and a certain threshold amplitude. The knock sensor may be failing to produce sufficient signal amplitude for the controller to think the pinging is a problem. Or, everything is working as it should.
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Sorry. I guess most of us thought that your orignal question had gotten answered in the first post, and then we got silly, with some useful info intermixed. As I see it, you have 2 choices: Spend big money (relatively) to find a good 1/4" drive torsion beam torque wrench, or learn the fine art of guesstimating low torque values. I have been working with small bolts for 30-odd years and have found nothing more useful than experience. I have also broken a lot of small bolts (mostly early on), some with expensive fixes needed.