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Everything posted by 1 Lucky Texan
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Cannot turn the flywheel but for what I see no damage. Replaced the starter 2 more times (first was TYC most recent was bosch). Now all I get is clicking from the starter solenoid with slow turns from the flywheel. . OK, does this mean you personally have no tools or workplace to attempt turning the engine by hand? I think it's imperative to inspect for broken timing belt and related damage. How many miles NOW on the used engine and how old is its timing belt?
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this is a way-out-there idea, but what if the injector is leaking fuel into that cylinder and washing out the oil from the rings? Could that so severe as to reduce compression to this level? any sign of the plug being wet with fuel when pulled from that cylinder? swap injector with cylinder one and see what happens? a bore scope might also be able to see cyl. wall scoring if a ring or piston land is broken.
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depends on what's wrong but, generally, just variably bad stuff - nothing good. could be; more stress on the cat converter, engine might get more load=runs hotter, if a ring is cracked, oil gets diluted with fuel, valve seat may erode..... dropping the exhaust might allow inspecting for a dropped valve guide.
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doubtful - if you were extremely lucky, some marvel mystery oil might free-up a sticking valve. more likely it is; sticking, dropped guide, bent or burned. much less likely would be a cracked piston ring i guess? there are borescopes made for looking around in there thru the plug hole, but i dunno if one can be rented or not ???? if you get a used ej25 , you'll probably need to put MLS head gaskets on it.
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take it off and spin it on your finger. If it feels crunchy, def. replace it. I replaced both of those on my 03 before failure - they both felt crunchy/dry though they weren't wobbly. your choice, but it's not good if it throws the belt off while traveling out of town. Might be worth the risk for a car that never leaves 'home base' I guess. here's coupla threads from *ahem* a different forum - for the prev. gen H6 - your set-up should be similar;http://www.subaruoutback.org/forums/110-gen-2-2000-2004/36929-ez30-tensioner-idler-pulley-solution.html http://www.subaruoutback.org/forums/110-gen-2-2000-2004/16823-h6-tensioner-bearing.html
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The serpentine acc belt's tensioner and idler pulleys ALWAYS go bad on these. plan on swapping them every 50-70K miles or every 6-7 years or so. You press in the bearings yourself (I did,,6203-2rsj, OR, Timken 203FF I think?) or just get entire pulleys from NAPA where'ever. power steering pump often sucks air in past an o-ring on the adapter on top of the pump, new o-ring will fix that
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supposedly in 06 the MTs got a better synchronizer in low gear - seems like most of th folks searching for a magic 'cocktail' gear oil for their 5pds at NASIOC have pre-06 gearboxes so, their 'could' be a very slight advantage to shopping for a post 05 unit I guess. The sti 6spd is a different beast altogether. maybe it's best to let the guys buidling the dr pick which tranny they like to work with? and, if you KNOW you're going big power, you might consider dog tooth gears, at least for 1st and second gear. just ideas from reading, I have no experience doing what you plan - sounds like a lot of fun building a beast like you describe!
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the car may just need a mechanic to check it out, let you know what needs immediate attention, what you can live with, and what you need to save your money for in the future. people often swap used transmissions and other parts into otherwise serviceable cars - but a 94 could be at an age where several items need to be attended-to at once, along with a true repair of some type. Hopefully, you have a good mechanic, if not, start a new thread and ask for s shop suggestion in your city and have a discussion with a mechanic.
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OOoohhhh - found a coupla interesting links; http://www.tuspeed.com/subaru-cam-timing-adjuster-p-1895.html https://www.crawfordperformance.com/product/pulley-cam-timing-adjuster-for-timing-belt-on-subaru-engines/ and, be carefull - evidently too much timing change could lead to bent valves; http://forums.nasioc.com/forums/showthread.php?t=1490257
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swapping in an engine with the AVCS system or w'ever it's called, then dyno tuning, is probably best. But I could see the attraction of experimenting with the idea. might be a good idea to monitor exhaust temps but, just speculation on my part. So easy to get a tooth off - may as well see it it's useful! hah!