There's nothing special about the turbocharger for the STT-turbo kit. I just got hold of a used kit, it uses an AiResearch charger, TjÃ¦rands STT has a Garret T3 charger. Any turbo specialist should be able to get a repair kit for the charger!
Just bought one for the motor going in my G. The kit is only parts, no instructions, but if you Google "Garrett T3 Turbo Rebuild" you'll find good instructions relating to a Volvo from one of the import car mags. A buddy of mine did one for his Saab. Maybe a couple hours work max. Matter of fact, I'll be doing that job tomorrow. Oh yeah, and when you order a kit, be sure to ask for the gapless ring for the exhaust side seal. It's about the only improvement made to these old turbos.
As long as the STT doesn't use a water cooled center section or something, the kit should work.
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