Engine rebuild low compression FXT - Subaru WRX Forum
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post #1 of 19 Old 04-01-2013, 06:03 PM Thread Starter
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Engine rebuild low compression FXT

Bought a 04 Forester for a pretty good price, it has low compression in cylinder 4 so Im guessing it needs a rebuild. If the valves check out and it hasnt destroyed the cylinder walls, would it just need a clean and a re-ring kit? Or will it need a complete rebuild... Or should I just buy another 2.5 engine?

-Derek
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post #2 of 19 Old 04-01-2013, 10:29 PM
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You're in for a rebuild if there is something legitimately wrong with it.
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post #3 of 19 Old 04-03-2013, 06:37 AM
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I wouldn't just get another block.... those 04's and 05's have frankenstein blocks like the Baja's. Get it rebuilt.

Congrats on the purchase.

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post #4 of 19 Old 04-04-2013, 06:45 PM Thread Starter
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My thoughts where to buy a block, Then with that block, rebuild it myself, then when the time comes, pull my engine, pull the heads, send them to get machined, put those heads on the block I rebuilt, and then put it back in. Basically for time. I dont want to pull the motor, then have to do everything, and if the block needs major work... so yeah.

-Derek
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post #5 of 19 Old 04-04-2013, 09:25 PM Thread Starter
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Lets say it was just the piston/rings in cylinder 4, and block was good. Would it be worth it to pull the engine, new pistons and rings, head gasket, then put it back together and reinstall. I would do it myself, I mean if there is no rod knock, or burn valves or anything else wrong, everything should be good for another good while, correct?

Obviously, if your doing all the work already, full rebuilt would be the best option, but spending 3.5k on stuff that is not necessarily needed...Not all about that, rather spend my savings on school.

-Derek
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post #6 of 19 Old 04-05-2013, 06:35 AM
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You should be good with the pistons and rings, etc...

Paul
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post #7 of 19 Old 04-25-2013, 08:33 PM
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WELLLLL, yes and no. If your going to rebuild it, you'd be better off buying a new one rather than spend the money on a simply rebuild. Why do I say this? Cause I speak from experience, it will cost more to rebuild the shortblock than it would if you just bought a new one..

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post #8 of 19 Old 04-26-2013, 06:18 AM
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If he does all the labor Keith?

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post #9 of 19 Old 04-29-2013, 04:14 PM
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Well keep in mind it's not just the labor. Tools for these builds aren't cheap and to be honest the factory does a really good job on these motors anyway, sans pistons...You could rent the tools, but not sure who rents out micrometers and tools of that nature.

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post #10 of 19 Old 05-22-2013, 12:52 PM
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Quote:
Originally Posted by psinuse View Post
Why do I say this? Cause I speak from experience, it will cost more to rebuild the shortblock than it would if you just bought a new one..
Do you think it will cost more $ to have a shop rebuild an engine to stock specs, than purchasing a shortblock or longblock? I haven't priced this type of thing out in a long while.

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post #11 of 19 Old 05-22-2013, 03:01 PM
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IIRC the 2.5l longblock was in the $3500~ range. Call your dealer with the VIN. Not sure on the 2.0l

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post #12 of 19 Old 05-22-2013, 03:48 PM
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Quote:
Originally Posted by LW_Black4
Do you think it will cost more $ to have a shop rebuild an engine to stock specs, than purchasing a shortblock or longblock? I haven't priced this type of thing out in a long while.
Yes it will cost more. I could sit here and explain every little detail on how to rebuild one of these motors, but to be honest just take the easy road and buy a new shortblock.

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IIRC the 2.5l longblock was in the $3500~ range. Call your dealer with the VIN. Not sure on the 2.0l
Yeah I wanna say the 2.5 and 2.0 shortblocks are around $2400 or so, the heads are what cost more based on the year and model.

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post #13 of 19 Old 05-22-2013, 03:49 PM
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Paul I looked at your pic and thought you had bought a mini van at first...lol

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post #14 of 19 Old 05-22-2013, 04:35 PM
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Paul I looked at your pic and thought you had bought a mini van at first...lol
Shut yur mouff FOL
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post #15 of 19 Old 05-22-2013, 09:47 PM
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i just spent $2250 total for a rebuilt sti block.
$900 used sti block
$600 for je pistons
$750 for machine work
so ya alot cheaper just to buy a new oem block.
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