I just bought an 89 TII with blown engine. Its got an F-con with FCD and CCG, also CS cat back. At my house I've got a rebuilt and streetported S5 TII engine that ill be putting in.

So my question is can I run a stock turbo +street ported engine+ CS cat back+ intake with the stock ECU and injectors? Or do I need to do some mods to have it run ok like that?

 

That will work fine.

 

How do you know that?


Its best to get a quality boost gauge and even better throw it on a dyno to be sure of the AFRs.