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Old 11-06-2008, 08:56 AM   #1
Scooby Specialist
Member#: 189401
Join Date: Sep 2008
Chapter/Region: MAIC
Location: manassas
2004 sti built!!
jbp w/fp red&meth

Default buying a sti with blown headgasket

im looking at buying a 05 sti with a blown headgasket supposibly hadnt been driving on the blown head gasket but does start up fine, was wondering if this would be a good idea im getting it pretty cheap was just making sure the odds on the heads being warped on this is it a common problem for the heads to warp or should i just pass up on this deal and wait thanks
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Old 11-06-2008, 09:33 AM   #2
Scooby Specialist
Member#: 78165
Join Date: Dec 2004
Chapter/Region: South East
Location: SC
05 STI 35r + e85


When my last motor blew a head gasket here's what it needed:

One new CP piston
One Pauter rod needed to be cleaned up at the machine shop because the small end bushing was deformed
Block rehoned
New CP rings
Heads resurfaced
All new bearings and gaskets

Cost to repair the engine was around $1500-2k. Plus more for removal/reinstallation/etc.

You should always resurface the heads when they are off even if the look straight with a straitedge. Otherwise it will blow again. Ask me how I know....
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Old 11-06-2008, 11:00 AM   #3
Uncle Scotty
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Member#: 16200
Join Date: Mar 2002
OK buy Nates beans


if i had the knowhow and facilities to do all the work myself


could get the work done cheap

id be all over a good deal on an sti with a bad headgasket
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Old 11-07-2008, 04:40 PM   #4
Scooby Guru
Member#: 15543
Join Date: Feb 2002
Location: san francisco, ca
90BJ Legacy LS ABS
AWD 946 Rio Red Jpn built


Like the others have said. The blown headgasket could be as simple as replacing one gasket or as bad as needing machine shop work and new rings. Some of the 2.5 normally aspirated engines would overheat so bad that a new shortblock was the cheapest repair.

Can you start the car and listen to it?
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Old 11-08-2008, 12:09 PM   #5
Scooby Specialist
Member#: 33868
Join Date: Mar 2003
Location: Chesterfield, MO
2003 wrx


You wanted opinions so here is mine.

jays05 engine sounds like the gasket blew because of overboost.
Sometimes headgaskets just let go. Do you know any of the cars history or mods?

I have never done it on a SUbaru but a head gasket kit is about $200 and I would bet a valve job another couple hundred.

With the current economy buying this thing to fix it and make any money would be risky unless you got it super cheap. On the other hand if (like me) you like doing this stuff and just wanted to drive it for a while and were willing to risk losing money or at best breaking even go for it. The other downside is some of my projects have been unaticipated expensive disasters.
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