
weldersd
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Everything posted by weldersd
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OK, I think i'm on to something. the service manual shows the speedo gear ratio for non-outback at .83 and .76 for outback model, so I just went on a approx 6mi trip with my garmin gpsmap 76 and I got the following readings: when the car speedo shows 60mph I was traveling approx 63.5 mph according to gps. after a 6 mile trip the car odom read 5.5 mi I divided 200/6=33.3, then .5x33.3=16.65 so at 200mi my car odometer should read approx 16-17 more miles than it is, this would bring us back to pretty close to our original pre-trans swap numbers. so that's good, now the only question remains why the extra clutch plate in the low/reverse clutch brake? I wonder if it has to do with the increased stall speed on the TC? Now that I found out the TC on the new trans has a lower stall speed, I now notice it, definitely engages much sooner.
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ok, so I have the service manual, it's showing some differences with the outback version vs the legacy, it's in pdf so this forum won't let me attach it. here's the differences I see, (legacy 2500cc vs outback 2500cc) TC: Stall torque ratio 1.8-2.0 vs 2.2-2.4 stall speed: 2200-2600 vs 2400-2800 Transmission: clutch number for reverse and low 6 vs 5 that's the only differences I can see per the legacy 1996 service manual. -one more clutch in the low clutch pack, why? stall speeds for TC different, Can I just put the old TC in?
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update: I replaced the upstream o2 sensor, knock sensor, and I removed the cat's I plugged one end of the pipe and poured detergent in the pipe, let it sit for a while, then rinsed, the cats seem free flowing and clean, I cleaned the pcv valve, it seems to be working just fine (blow test) all vacuum lines are attached and look ok. Mileage got a little better, but still around 20 ish city, when before the trans swap I was getting 23 city. here is the number off the new (used) transmission: TZ102Z2AAA-CG another sticker below that number showing: 933685, can anybody tell me EXACTLY what trans this is and if I need another TCU?
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Thanks guys, I already wrapped the "y" with thin gauge aluminum, it helped a little, I also recently replaced my knock sensor and front o2, to try to improve mpgs, seems to be running smoother, we'll see how it goes, I mean come on is 250 miles too much to ask for?? I gotta do the alignment too, when I swapped trannys I must have not got the camber alignment quite right, it now pulls alittle, I love everything about the car all but the smell at a stop light, we had a brat back in the day, it leaked and smoked too, guess it's just a subie thing.
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Separator plate replaced, still leaks:banghead: I changed the main seal and the small o-ring seal, I used ultra grey on the plate, lightly snug, wait hour then tighten a little more. on the main, I had a block of aluminum i used to square the seal flush with the block. oiled the inside lip. i'm thinking it's the main, should I use a additive to try to stop the leak? I have removed the engine for HG's/timingbelt, last time I removed for the seporator plate fix, on re assembly I stacked the pump, I found a junkyard match and it seems to be working fine, the car runs great, but i'm still getting that smell with the defrost on at a stop light, I hate it, I'm thinking of even making my own exsaust to move the "y" back so it's not right below the drip, dumb design. the leak is way better though, in 3000 miles I don't need to add any oil, whereas before, I had to add 1 qt every 1200 miles.
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Diesel?
weldersd replied to subarulegacy's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
I too have pondered this very question, I was thinking manual trans mated to a isuzu pup diesel motor, turbocharged. you would want the lowest gear possible in the rear-end/ trans final drive. -
If you think about it, it does make more sense, the conventional rocker configuration does seem more of a structurally sound design than the bucket/shim config. that's why you don't see many (any?) diesels with HLA design, it's kind of like open vs closed deck engine configurations. edit:I wonder if one of the reasons the HLA designs require a higher octane fuel rating is the consequences of a premature detonation is much greater than a pure mechanical set-up?
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I'm thinking at this point, since I last changed the forward O2 about three years ago, I should probably replace it, especially after removing it, while working on other things, getting dirty, etc, I understand the element on the sensor needs to be relatively clean correct? A previous post said I should use sea foam, what does that do? I don't quite understand how after a trans swap now loosing 5mpgs (is this correct grammar PD?) some snake oil in a can will bring back my mpgs, but hey, i'm no expert. The decline in mpg's from the original rebuild has been progressive, I think it's just time to do the O2 sensor, this is why I hate gas engine, a subaru is the only gas engine I will tolerate, the rest of my vehicles are diesel. I wish subaru would offer a diesel version, that would be the most bad rump roast car ever. and not a over restricted techowiz POS, I mean a simple mechanical, turbocharged, diesel, a guy could dream, right?