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Hawkeye 2.5 compared to the 08 onwards?

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Old 01 May 2018, 10:16 PM
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SmileyScooby
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Default Hawkeye 2.5 compared to the 08 onwards?

Just trying to get some advice on the Hawkeye 2.5 lump. I’ve read all of the horror stories in the sticky thread for the 08 onwards engines but how good is the Hawkeye?

I ran my Bugeye WRX for 8 years from 69k upto 160k and the engine never missed a beat(it was only running 240bhp) it’s still taxed and Mot’d somewhere and I think it was on about 175k last time I checked.
Had a Blobeye WRX shared with my dad over last 3 years where we only put about 10k on it and it blew up at Oulton Park it was on 98k when it blew and was probably running about 250bhp. Had a 2015 S3 at the time so we let the Blobeye go for spares/repairs.
S3 is no more, thanks to the beast from the east, and so I’m thinking of getting into an sti as you can’t really call yourself a Scooby lover if you’ve never actually had an Sti.
There is a Spec D with 57k miles for just under £10k but I’m wary of the number 2.5!!!
Then there is Wilki’s Litchfield T20 Blobeye at £10k but higher miles...

So what can you tell me about Hawkeyes?

Thanks in advance for the replies.
Old 02 May 2018, 08:51 AM
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Tidgy
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its all 2.5's that are the issue. simple as
Old 02 May 2018, 10:16 AM
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Wilkis is jdm so will be 2.0l
Old 06 May 2018, 12:34 PM
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I think the general rule is' if it's not been forged when you buy it be prepared to have to do it, some people on here are still running the original engine, but there's a lot more that's not. I would buy one that's already been forged. I will save you a lot of money and there is a lot out there to choose from
Old 08 May 2018, 11:05 PM
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BUG4LIFE
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Originally Posted by m40ttc
I think the general rule is' if it's not been forged when you buy it be prepared to have to do it, some people on here are still running the original engine, but there's a lot more that's not. I would buy one that's already been forged. I will save you a lot of money and there is a lot out there to choose from
Is this really true...Subaru would be out of business if 100% of these engines went pop! I know the 2.5 isn’t renowned for its reliability but your statement seems a tad OTT no?!
Old 09 May 2018, 07:22 AM
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There have been 2 x 2.5l failures in a week on the fb hatch page, so the above advice about forging is valid
Old 09 May 2018, 08:19 AM
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Originally Posted by BUG4LIFE
Is this really true...Subaru would be out of business if 100% of these engines went pop! I know the 2.5 isn’t renowned for its reliability but your statement seems a tad OTT no?!
Only had mine five months hatchback sti and this happened so not OTT


Last edited by peter zippy reid; 09 May 2018 at 08:21 AM.

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Old 09 May 2018, 10:18 AM
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Matty81
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Originally Posted by hedgecutter
There have been 2 x 2.5l failures in a week on the fb hatch page, so the above advice about forging is valid
that was because one of the guys was doing donuts in it in a car park so I’m not surprised by that mate.
Old 09 May 2018, 10:53 AM
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The Trooper 1815
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Subaru Of America (SoA) have rolled over and taken the hit on the 2.5 after numerous Class Actions.

https://www.girardgibbs.com/subaru-o...ction-lawsuit/

https://www.courierpostonline.com/st...uit/461823002/
Old 09 May 2018, 11:52 AM
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BUG4LIFE
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I've just bought an 04 Forester STi so fingers crossed mine will hang on!! Though obviously I knew of the issues before I bought it so have a slush fund just in case [not that I want to have to spend it on such a repair].

What kind of costs are you are guys seeing for a forged build?

Also, do you think you'd see some of that money back when you come to sell, as the car could be worth a bit more than a non-forged example?
Old 09 May 2018, 12:42 PM
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Originally Posted by BUG4LIFE
I've just bought an 04 Forester STi so fingers crossed mine will hang on!! Though obviously I knew of the issues before I bought it so have a slush fund just in case [not that I want to have to spend it on such a repair].

What kind of costs are you are guys seeing for a forged build?

Also, do you think you'd see some of that money back when you come to sell, as the car could be worth a bit more than a non-forged example?
How deep are your pockets?
Budget on anything from £3k to 5k depending on what you want. Or more if you fancy something serious.

But in the long run there is no such thing as a bulletproof engine. However the sale cost may be a little higher than a non-forged build.
Old 09 May 2018, 04:21 PM
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I don't think the forester has the same problems with the engine as it's a import, the jdm engine is different to the Impreza engine. I didn't say it was a 100% that your engine will go pop. It just there's a huge number that have.
There's a few manufacturers that have produced some quite expensive protential problem engines in the last few years.
Old 09 May 2018, 05:09 PM
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BUG4LIFE
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I have read that the Forester doesn't suffer from the same issues and has a different engine, but other say it's exactly there same...I know of a few that have had a rebuild.
Old 09 May 2018, 08:40 PM
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Tidgy
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Originally Posted by BUG4LIFE
I have read that the Forester doesn't suffer from the same issues and has a different engine, but other say it's exactly there same...I know of a few that have had a rebuild.
dunno where you heard they are different, engines pretty much the same.
Old 09 May 2018, 10:10 PM
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Originally Posted by Tidgy
dunno where you heard they are different, engines pretty much the same.
Whilst they are the same the JDM STi is EJ255 the UK Engines are EJ257.
Old 09 May 2018, 10:26 PM
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Originally Posted by Matty81


that was because one of the guys was doing donuts in it in a car park so I’m not surprised by that mate.
2.5 are crap do defending the engine in all fairness
Old 09 May 2018, 10:50 PM
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BUG4LIFE
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Originally Posted by Tidgy
dunno where you heard they are different, engines pretty much the same.
Might of just spotted the different engine codes as mentioned above?
Old 10 May 2018, 11:17 PM
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Tidgy
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Originally Posted by The Trooper 1815
Whilst they are the same the JDM STi is EJ255 the UK Engines are EJ257.
Was a comparison on one of the forums somewhere, only difference was a small change in dome size in the piston. Material, ring land size etc etc is all the same
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