Thread: ('93-'01) Turbo Impreza RS
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Old 04-12-2001, 08:37 AM   #6
ColinL
Scooby Guru
 
Member#: 114
Join Date: Jul 1999
Chapter/Region: MWSOC
Location: Wichita, KS and Whoring, OT
Vehicle:
'03 Evo, Rice White
'01 Erion CBR 929

Post

98-99 are 9.7:1
98 is DOHC and the shortblock might be "iffy"
They are MAF equipped but the 99 MAF is a fragile hot-film type

00-01 are 10.0:1
They are MAP equipped, so you'll need more controls to turbocharge them safely

You will need an uprated clutch, and shift politely or you'll need a new gearbox. It's waaaay to early in the WRX game to know if the WRX's gearbox is notably stronger, how easy/difficult a swap might be, etc.

edit: oh, and 7-10 psi is safe assuming proper fueling and tuning.

[This message has been edited by ColinL (edited April 12, 2001).]
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