Is the dyno at his shop? Put good gas in it
Need vag data log in turbo mode. 3 31 115
Warm car to operating temps....park it at dyno for 1hr w/hood open....fan on it if poss....take out ducts.
Perform sneaky ecu reset......key on....gas pedal to floor 5sec........key off.........then release gas pedal. Leave sit 5min.
Strap it on and make 2 runs.
Let it cool w fans and put the ducts on..2 more runs.