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  #1  
Old 08-15-2013, 11:18 PM
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Question about 2.5L headgaskets

Does anyone know if the turbo engines got better head gaskets? I know there are other issues, particularly with the STi, but I am specifically asking about headgaskets in the lower HP engines found in the WRX and GT/XT cars.
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1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
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Old 08-16-2013, 10:12 AM
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Re: Question about 2.5L headgaskets

Tony, from what ive heard all the 2.5's got bit by the same bug, although there is yet to be one on the current new body styles. Maybe they just last longer now than they used to. Im finding 07 and 08 years with head gasket issues and one I saw with only 83k miles. Why don't you find an EJ22T and put that in.
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Old 08-16-2013, 11:48 AM
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Re: Question about 2.5L headgaskets

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Originally Posted by SVX92-97 View Post
Tony, from what ive heard all the 2.5's got bit by the same bug, although there is yet to be one on the current new body styles. Maybe they just last longer now than they used to. Im finding 07 and 08 years with head gasket issues and one I saw with only 83k miles. Why don't you find an EJ22T and put that in.
Are you talking about 07 and 08 turbo models or just the NA engines? I have read that both the 2.0L and 2.5L WRX engines had far fewer headgasket issues. There have been other problems with people who frequently romp on the STi engines but not usually headgaskets. That's what I read this morning. There will always be some HG failures on any model from people either not maintaining their cars right or abusing them or both but it sounds like HG issues on the turbo models occur at about 1/4 the rate as the non-turbo models.
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1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
2009 Red Toyota Venza, 123,XXX, Mobil 1 5W30 High Mileage Oil
1992 Red Ferrari 348 ts, 82,XXX, Redline everything
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Old 08-16-2013, 01:17 PM
1986nate 1986nate is offline
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Re: Question about 2.5L headgaskets

The turbo engines are generally find for head gaskets. It's a completely different block, head, etc. Though, earlier models do have issues with cyl #4 due to improper fueling. It's the last cylinder on the fuel rail and leads to blown pistons (mostly ring lands) as well blowing out head gaskets on occasion. Typically though, they are more reliable from a head gasket point of view than N/A ej25s. If you do get an earlier one, be sure to have the screen on the banjo bolt removed. I personally like the WRX 2.0t engine over any of the AVCS (subaru's VVT system) engines when it comes to reliability.
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Old 08-16-2013, 01:18 PM
1986nate 1986nate is offline
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Re: Question about 2.5L headgaskets

Quote:
Originally Posted by SVX92-97 View Post
Tony, from what ive heard all the 2.5's got bit by the same bug, although there is yet to be one on the current new body styles. Maybe they just last longer now than they used to. Im finding 07 and 08 years with head gasket issues and one I saw with only 83k miles. Why don't you find an EJ22T and put that in.
An EJ22t is far from a straight swap(also a very rare engine to get ahold of), and aside from the block, it is only a SOHC engine and not great for performance unless you are building an engine for serious performance.
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