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  #11  
Old 14-11-2005, 10:52 PM
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Slako put an 02 STI bottom end in my 94. "Apparantly" it is semi closed with forgies and strengthened conrods.
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  #12  
Old 15-11-2005, 05:12 AM
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The main deal with the 02 STI motors I was aware of for strength is the semi closed deck, forged pistons and revised conrod design. (better big end connection) I have been lead to believe that all the STI motors in the aus spec 2.0 litre STI's ie. 02-05, had the same bottom end. The hypercrappies have only just been introduced in the 2.5.
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Old 15-11-2005, 08:57 AM
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Quote:
Originally Posted by CDR RA
The main deal with the 02 STI motors I was aware of for strength is the semi closed deck, forged pistons and revised conrod design. (better big end connection) I have been lead to believe that all the STI motors in the aus spec 2.0 litre STI's ie. 02-05, had the same bottom end. The hypercrappies have only just been introduced in the 2.5.
that's what STi Docklands said as well, so i heard
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  #14  
Old 15-11-2005, 02:58 PM
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only V7 STIs has forged pistons i thought, MY03+ STIs don't.
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Old 15-11-2005, 03:13 PM
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The whole forged/non forged debate in the STI is probably one of the longest debates in WRX folklore. So hard to get solid information on it. I believe Stace was aware of some letter coding on the blocks that indicated the type of piston fitted. I had also been told that the part number for the short motor hadn't changed from 02 STI to 05 STI. Its all a bit heresay, but I would be pretty sure, 02-05 were all the same bottom end.
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Old 20-11-2005, 12:42 PM
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Ive got an '02 sti bottom end, fits striaght in on an "99
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