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Old 01-10-2011, 02:46 PM   #1
Jake_S
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Join Date: Nov 1999
Location: Rock Hill, SC
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1999 BG9 Outback
Silver

Legacy 99 Outback with a blown head gasket

I Have been away from Subaru's for a decade (!) and I am picking up a 99 Outback with a blown head gasket for cheap. I have read all that I can find on the repair, both in car and out of car, and have also downloaded the repair info from Mitchell.
My question is where, if any, can I find performance head gaskets that will prevent/eliminate another gasket failure? I found several performance gaskets for the STI engine (101mm bore) but not for the EJ25 (99mm bore)/

Thanks in advance for the assist.

Jake
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Old 01-10-2011, 03:02 PM   #2
Jake_S
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I guess I should have scrolled down before I posted. I found this http://forums.nasioc.com/forums/show....php?t=2111951 just a few lines down.

Jake
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Old 01-10-2011, 03:04 PM   #3
XanRules
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IIRC, the problem with those motors is that it isn't a headgasket design flaw, it's a flaw in the actual design of that particular EJ25x.
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Old 01-13-2011, 04:28 PM   #4
Jake_S
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Well I am going next weekend to pick up the car. I still need to order the gasket set, timing belt, water pump, head studs, and clutch. I have downloaded the 99 Legacy FSM, so I think I am set for the instructions.

I will take pics of the repair process. We will prob pull the engine to do the repair instead of trying to fight with it in the car.

Jake
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Old 01-15-2011, 10:39 AM   #5
MikeC5
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I agree pulling it out is better. Assuming you have a way to pull it and the place to do it, it isn't really that much more effort. I did it one time in-car and had to unbolt motor/trans mounts to jack up/shove over engine to get clearance to pull and prep block. I can't imagine doing a decent job without doing that.
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Old 01-16-2011, 12:03 PM   #6
Twokandan
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Default I need a shrink - Head problems

I need some help. I have a 99 2.5 RS. It was leaking oil from the headgasket, onto the cat. My car used to billow smoke. Anyway, I pulled the heads and brought them to a machine shop. The shop pulled the cam plates off. Now the guy says I need some special sealant for the mating surfaces or I'll have leaks. I went to the Subaru dealership in Daytona Beach, but they sold me some GM sealant. I just don't want to get my subie back together and have any problems. Can someone recommend a suitable sealant? Also, I need to source the rear cam plugs, any suggestions?
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Old 01-16-2011, 01:27 PM   #7
sense of nature
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Quote:
Originally Posted by XanRules View Post
IIRC, the problem with those motors is that it isn't a headgasket design flaw, it's a flaw in the actual design of that particular EJ25x.
Not true^^
The O.E.M gaskets have been revised, & when using them you should( providing everything else is ok) never have to replace them for a very very long time.
I have put on well over 100k after replacing the originals & still have had no problems
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Old 01-16-2011, 05:15 PM   #8
ballitch
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11044aa610 IIRC is the part number you need. Yes, I have it memorized, so...

Twokandan, I use the ultra grey from permatex. It's designed for those types of applications and is available basically anywhere, even walmart has some I believe.


~Josh~
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Old 01-17-2011, 10:48 AM   #9
Jake_S
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Cool, thanks for the head gasket part number! I will pick up the gasket set this week in preparation of starting the repair this weekend. The car only has 87k on it and I am picking it up for $2500, so I think a little sweat equity is worth it.

Jake
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Old 04-14-2011, 05:21 PM   #10
NewbieSoobie111
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I bought basically the same car same problem for $200. A 98 with 153K on the engine. Is it worth finding a new engine for it?
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Old 04-20-2011, 01:42 PM   #11
ballitch
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It's worth fixing the motor, you more than likely don't need a new motor. It's not hard and can be done in a weekend if you have all the parts and tools on hand.


~Josh~
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Old 04-20-2011, 03:25 PM   #12
jlklegacy
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if you do not have an engine stand, they fit perfectly on top of empty 16 gallon gear lube/oil drum.
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Old 04-20-2011, 06:57 PM   #13
XanRules
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Quote:
Originally Posted by sense of nature View Post
Not true^^
The O.E.M gaskets have been revised, & when using them you should( providing everything else is ok) never have to replace them for a very very long time.
I have put on well over 100k after replacing the originals & still have had no problems
learn something new every day.
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