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Old 05-25-2004, 08:33 PM   #43
Scooby Newbie
Member#: 62178
Join Date: May 2004
Location: Australia
2004 STi
WRC Blue


Originally posted by totoherbs
Ya, it gets realy tricky... The uk and oz got the ver 7, bug eyes, at the same time, right? The have the ej207 with forged pistons and small port heads. The ver 8 uk, I dont know about OZ, cars still have the same ver 7 small port ej207s with forged piston. That they had in the bug eyes... Not the ver 8 motor they get in japan with cast pistons and large port heads...
We trailed behind the UK and Europe and never got the Version 7 STi.

Which is a pity.

Our Version 8 was this one, here's a copy of the spec sheet for it, STi 2002

I've had the pistons out of that car, there forged.

I've seen the pistons out of our current 04 STi as well and there forged to.

I hear the pistons in the USDM 2.5 are supposedly better than the forged ones we have but they can be a little fragile.

I ran my 02 STi with 26psi boost for over 12 months without a problem, on the stock internals, with number one piston finally giving out because of a dose of bad fuel.

So there pretty hardy.
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