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#6580 of 19336 Engine life of 2.2L on 98 Impreza
May 12, 2006 (12:19 pm)
Hopefully I've finally posted this in the right place. Thanks to pf_flyer for directing me here.
I have a 1998 Imreza L with the 2.2L engine. I was wondering how many miles I can reasonably expect to get out of this engine and drive train. It's been well maintained with the oil being changed every 3k-4k miles since day one, and the belts have been replaced at the suggested intervals. It currently has 127k miles on the engine and seems to be going strong. I've read stories of Subarus exceeeding 200k miles but I am not sure if these are true or just marketing hype. What do you think?
#6581 of 19336 Re: Engine life of 2.2L on 98 Impreza [chuckh]
May 12, 2006 (12:40 pm)
if it is well maintained, then it should be good to go for a while.
If it ever got real hot, there could be potential engine trouble.
If it has been thrashed, it may not last much longer.
You can always do an oil sample and have them check for engine conditions.
#6582 of 19336 Re: Engine life of 2.2L on 98 Impreza [once_for_all]
May 12, 2006 (2:36 pm)
I am over 205K on my '96 OBW w/ 2.5L..... and it has had a tough life as far as I can tell. The 2.2L is supposed to be a much more reliable engine, to the point of "bulletproof" by some accounts. You never can tell what will fail and when, but I think you can reasonably expect 200K out of it, though not maintenance free!
May 12, 2006 (2:48 pm)
With regards to donuts, I was using one on my car about 2 years ago (35K miles), waiting for the rims to come in on my WRX. I hate to say it, but drove 800 miles on a donut and the donut was still useable afterwards, also no damage to the drive-axel or anything else.
In terms of tires, if there is more than 1/4" difference in circumference (about 2-3/10ths tread depth) you can shave the new tire down to where the old tires are. The only people I have heard of doing this are Tire Rack and some performance stores. If your tires are around 4/10s, it is about time to replace them anyway.
#6584 of 19336 Question regarding turbo bost issue
May 12, 2006 (2:53 pm)
I have an '02 WRX sedan, and have been having inconsistant boost. Sometimes I get almost full boost, even if it takes the needle longer than before to indicate boost, sometimes I do not. At mid-throttle, the boost only goes slightly above zero (on my turbo-boost gauge). I have taken it to a mechanic, and there did not seem to be any loose hoses or anything else. His feeling was that the boost controller needs to be replaced.
My question is, does this sound about right, and also, where is the best place to get a good boost controller. I do not care if it is Subaru or aftermarket. I am in SoCal.
Also, any comments or suggestions would be appreciated.
#6585 of 19336 Re: Question regarding turbo bost issue [kevin111]
May 12, 2006 (4:20 pm)
So, do you notice any difference in the responsiveness of the car when this happens? I am leaning toward agreement with the mechanic and pointing the finger at the controller if the boost really is varying, or the guage if it is not.
#6586 of 19336 Re: Question regarding turbo bost issue [kevin111]
May 13, 2006 (2:18 am)
question: kevin, I think you have a good number of miles on your '02 WRX if I remember right. I also think that I remember you posting a while back about boost problems and that you had gone to some servicer-- a dealership maybe? -- and that they had tightened some loose hoses and everything was happy.
if that's even close to true let's have some more detail about what was done the first time and how long it was before the problem came back.
however, to strictly answer your question, I would use a stock boost control solenoid if you want it to behave just as it did when new. if you use anything else there could be some tuning involved which could be fun, sure, but it also could make your car more of a hassle than it has been thus far.
money-no-object, I'd use an Apex'i AVC-R electronic boost control unit.
#6587 of 19336 Stock 2003 2.5L pistons vs updated oversized pistons
May 13, 2006 (7:40 am)
Does anyone know the physical differences between the stock 2003 Impreza OB Sport pistons and the updated oversized ones that are currently being installed as a cure for the 2.5L piston slap problem? How much larger in diameter is the updated piston? Is it a different alloy/grade? Is the skirt length different and does the updated one have a moly coating?
#6588 of 19336 Where is the PVC valve?
May 13, 2006 (8:58 pm)
Where is the PVC valve in a 2001 4-cyl. Subaru Legacy? I recently bought the vehicle and the manual isn't clear. I took it in for an oil change, and the guys there didn't find it, either.
#6589 of 19336 Re: Where is the PVC valve? [rm1813]
May 14, 2006 (5:13 am)
Facing the engine it is in the intake manifold, aft of the coil pak, on the left side.