thks racerf. i see he's not serious, just wants basic info so i can give him some.
i have 4age20valve afm type.
what you have in Gli is 4afe (16valve if its a late 90's model)
you have a fuel economic to engine
here 's a techmaster observation on it, read it
so after reading you found that the basic engine is not ready for high power boost . here's is simple turbo kit that should best effective for yr car
this kit costs about $1400 to $1500 depending where you buy from
Specs: TSI Turbo Kit 4AFE W/T20 TURBO
Part #: TC2001
so when yr ready with some cash, we'll have further help,, meanwhile tc