in the STS Basic turbo system, which model and brand is shiped? is the GT60?

 

It's a Garrett 60-1.

Most upgrade to the GT67 on the cars (6.0L trucks) and the GT35 on the 5.3L trucks. Just depends on how much lag you can live with.

 

Ack... What is a GT67? I'm looking at the Garrett catalog and it only goes up to GT60.

Also 60-1 describes the compressor housing. Does anyone know the rest of the specs(turbine housing, turbine/compressor trim, turbine/compressor wheel diameter, A/R)?

 

I have an Upgraded Turbo on MY sts KIT.
Its a ( T04E 67 P-trim .96a/r 3" VBand )

Hope that Helps, lata, Ark

 

60 trim compressor wheel, p trim turbine wheel, usually a .81 or .96 turbine housing for the basic turbo