News Looking back at the 6R4 Metro, 10 years ago. Posted on February 20, 2021February 23, 2021 by Aisha Group B Legend Metro 6R4 with special 2.5 litre V6 DTM inspired engine on the Dynapack at TDP.ie over 10 years ago! Using a Motec from TDP M600 ECU. Aisha Mapping a SKYLINE GTST on the Dynapack on the Dynapack at TDP.ie. Looking back 10 years ago.