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Old 05-07-2010, 09:45 PM   #1
Scooby Newbie
Member#: 211333
Join Date: May 2009
Location: Vancouver, Wa
2009 WRX

Default Lost my ring lands, what should I do next?

Just got back from my tuner, they did a compression and leakdown test.
They found 150, 155, 148, and 68psi for cylinders 1-4 compression test. And the leakdown test showed 68% leaking into the crankcase.

I have some options for what to do next but would like some direction advice.
Its 2009 WRX was tuned stage 2 with 302whp, and 326ft/lbs stock 5spd.

I was trying not to do any more mods because I wanted to trade in for a 2012 STi but now the engine needs work and this is my daily driver. I only work part time and I am a full time student to my budget is under $8k to get my daily driver back. What do I do, a stock short block replacement? Which is the cheapest option. or do I go with a forged piston and maybe forged rods short block and consider keeping the car? I really wanted the STi so I could get the really good limited slip and nicer suspension and stronger transmission for eventual 450whp goals.

Now with the engine failure I'm beginning to consider STi swap ideas and just keeping the car.

My ultimate goal is 450whp +/- with the driving characteristics of the STi meaning, good limited slip and balance for driving hard. The problem I had with the WRX is that, I burn the hell out of the tires because it basically has open differentials. I plan to have a shop do all the work and I can not exceed 7500-8k budget. Do I do a simple repair and save for the STi? or do I start going crazy with the 09 wrx to eventually get my STi?
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Old 05-08-2010, 10:13 PM   #2
Scooby Specialist
Member#: 86700
Join Date: May 2005
Location: Otsego, MI
2005 STI
Silver/Black,[email protected]



I was in your exact position a couple of years ago... I ended up going with an Axis / RAW Performance build... forged pistons, cams etc...

I am very happy with my set up... I just pulled the engine to refresh it after 21500 miles. Everything looked very good.. I had a bit of piston slap that was bugging me but other than that the build held up fine.

I am now having the builder refresh things plus head work and aftermarket rods.

If you are the type of person who pays attention to details and maintains your toys... and has a responsible tuner... I highly recommend a built motor. You won't believe the feel of 450 to the wheels...

The only concern I would have is your transmission... actually, I don't know if Subaru fixed the WRX weak trans problem by the time they built your 09 but if they did not... you may be better going with an STi... then building the he!! out of it

Below is a video of the tear down of my 21500 mile built STi engine:

Good luck...
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