oooh a 1GGTE... whereabouts in the world are you?
here in New Zealand & Australia they are very very common but up the northern hemisphere they are rare as
actually... tonite i was searching in google bout 1ggte mods... just type in 1ggte and you'll get quite a few relevant results... bolt on turbo kits that are fairly cheap and some other stuff
i'm also looking into a MAF-T system on the 1ggte to enable more tuning and air increases to be able to run bigger injectors etc
check out
www.supras.co.nz
he's done most of the work himself and the car goes very well