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performance upgrade for sti
Posted 21 May 2005 - 06:34 AM
maybe there's more info an details there.
well i couldn't find any info about such thing,wondering if info isn't open to public an maybe just to dealerships?the friend i heard it from is friends with a couple guys that work at a couple different dealerships
Posted 21 May 2005 - 10:45 AM
Posted 21 May 2005 - 11:45 AM
The new STi will be using the 2.5 litre engine. Currently as seen in the Forester it develops 211bhp running 95 Octane.
If I may now stray into pure guesswork:
The Original Impreza Turbo had 208bhp. The same engine when installed in the Forester had 177bhp. Based on that ratio the 2.5 liter Turbo installed in the coming Impreza will develop ca. 250bhp.
The standard WRX to STi ratio, is currently 225bhp to 265bhp. Meaning that a new STi would run 295bhp. Mapping for 100 Octane would yield how much?
On the gearbox thing, the 2004 model STi's have an oil pump in the gearbox! I reckon that Subaru have finally realise that their gearboxes need some improvements.
Posted 21 May 2005 - 11:55 AM
Oh Thank God, we are realy starting to get sick of people trying to put a couple of hundred extra Hp through the standard gearbox then woundering why they are stripping gears and blaming it on a week gearbox. the OZ spec gearboxes can be floged all day behind a stock engine and never have a problem.
Posted 21 May 2005 - 05:26 PM
Posted 22 May 2005 - 12:54 AM
However, my EJ22 engined Legacy ate it's bearings by 110k miles. No tuning.
My present EJ20 Impreza, non-Turbo has developed a nasty crunch when shifting into 3rd from 2nd. Also, a long standing Subaru fault. (62k miles)
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