2006 sti engine
28 July 2010, 04:41 PM
#2
The pistons have been known to crack ringlands at std power. If you plan to open the engine then its a good opportunity to remove them.
The rods should see you into the low to mid 400 hp area.
The head gaskets can also leak. On mine, the HGs leaked at the same points on all cylinders, suggesting the head bolts loosen up.
The rods should see you into the low to mid 400 hp area.
The head gaskets can also leak. On mine, the HGs leaked at the same points on all cylinders, suggesting the head bolts loosen up.
28 July 2010, 10:15 PM
#3
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I think its the luck of the draw mate duncan did about 20 track days, time attack sessions and nurburgring trips on his 06 sti 2.5 running at 380 bhp without any problems, subaru give a 3 year 60,000 mile warranty even on the ppp cars , its the luck of the draw any engine can fail for many reasons.
28 July 2010, 10:48 PM
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Thanks for replies, im needing pistons anyway so looking at a set of wiesco forged, just wondered if rods were adequate for 350 400 ish. thanks again
28 July 2010, 11:10 PM
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i got a block from subaru via a work collegue who used to work for subaru. from a 2006 sti press car, which has damage to no2 and no4 pistons, looks like they hit the valve. would prob clean up ok but i want to be safe!
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28 July 2010, 11:14 PM
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thats great, its going in my 04 wrx, which standard turbo on it the now, planning to renew turbo, injectors, remap etc just want to make sure bottom ends safe!
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