Subaru WRX Forum

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s-w-a-t 02-18-2003 06:45 PM

Does anybody know what is the stock boost for a wrx automatic? and what is the max boost i can boost the turbo to do with an AVC-R?

Dr Moreau 02-20-2003 01:02 PM

boost level
The topic of stock boost level is covered thoroughly on many ethusiast sites, but for the record: about 13 psi.

Safe max boost level with 91 octane fuel is probably 16-17.

Get a boost gage as your first mod, and DO NOT try to adjust boost without one, unless you have a spare motor handy.

You can buy a turbo gage at your friendly auto parts store, with the plumbing bits you will need, for about $50. There is an electrical outlet behind the radio to power the Subaru dealer installed gage package (oil temp, pres, boost) You can take your power from there most easily.

Good luck/


wrxratedII 04-01-2003 12:08 AM

if you set your boost at 17 and your boost controler has a bad flash it will hit 19psi and trip the defenser, car will kill for a second or buck and the cel will be on instantly

Dr Moreau 04-01-2003 10:52 AM

boost control flash?
Should we assume that you are referring to an electronic boost controller? My boost controller is mechanical - part of the turbo XS unichip set up. Is it suceptible to flash? (I'm guessing not).

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