Been driving it about a week now, and I've noticed a couple of differences between it and my '92 Legacy wagon (EJ22). . Both are automatics, btw.
With the '99 Outback, when I'm sitting at a stop with the car in drive and my foot on the break, there's a bit of vibration, whereas the '92 doesn't really vibrate at all.
It doesn't feel like it's falling apart, but it is noticable. If I put it in neutral or park the vibration pretty much goes away.
At a stop like this, it's idling between 2 and three tick marks on the tach (300 rpm?). With my foot still on the brake, it I give it a bit of gas, as the rpm's go up slightly, the vibration lessens. As soon as I let my foot off the brake, it lightens up. When I'm moving, I don't notice excessive vibration either under load or coasting.
It seems to run smoothly at speed.
The other thing, which isn't a big deal, is that the '99 has more engine noise than the '92. It's not exhaust noise, just more mechanical sounds.
Don't laugh, but it reminds me of a sewing machine. But it's not crazy loud, and doesn't sound like the engine's in trouble, it's just louder than the 2.2. It's more like my Nissan 200sx.
Never having driven a 2.5 Outback, I don't have anything to compare it to, other than the '92.
But back to the idle vibration, is my problem low idle speed? Without a shop tach, is my only option to take it back to get it adjusted?
I saw where one poster replaced the fuel filter and got some relief. I was going to do that anyway, but as I say, it smooths out as soon as the rpm's go up a tad.
It doesn't really feel like a fuel related issue.
One other difference, that seems kind of strange it, the gas pedal on the '92 seems physically smoother, whereas the pedal on the '99 seems stiffer.
Don't know why this would be, or what if anything I could do about it.
Since this is a "new" engine, I'm driving it easy to break it in. Over all it seems to get up to speed ok, and runs fine at speed, cruising fine at 65-70 mph.
Over all though, if I were comparing the two, I'd give the '92 the edge for seeming "peppier" on acceleration. I would have thought that with a slightly bigger engine, the '99 would have the edge here. Being a "Limited" with more stuff, I don't know if it's heavier, though I wouldn't doubt it.
These aren't huge issues, but they are things I've noticed, and again, since I've never driven an Outback with a 2.5, I don't really have anything to compare it to, other than my '92.
She's a rust bucket with a lot of miles, but she still runs good.
Edited by dssenne, 20 March 2013 - 09:32 AM.