TSI stands for Turbocharged Stratified Injection
Gran Turisimo Internationale
Most likely TSI= turbo sport intercooled. Chrysler used the same TSI terminology for a previous vehicle of theirs.
turbo sport injected
Fuel Stratisfied Injection. It uses gas more efficiently and economically by direct injection into the engine.
tsi is a sound that a combination of a couple letters in english make look up their language chart you will find it on there.
Cars And Trucks Suck
The initials SWL mean Safe Working Load
These are the designers initials.
tsi-s-du
1979
yes
TSI means Turbo Sport Intercooled