stock turbo

[equalizer442]

what are the stock turbos for the 83 t types t3s?

 

[b4black]

I believe it's a TBO308. How that relates to other turbo designations, I don't know. Basically all 1978/83 turbo's for Buick RWD cars are the same except for a turbine housing change for 82/83. Both the turbine and compressor housings have special mounting points compared to other Garrett turbos.