(30 Mar 2016, 10:42 pm)Tom wrote Glad you mentioned that there is something different mechanical wise about them as I thought it was just me. Hard to describe what the engine sounded like but it was deffo different on 673 too.
The Turbocharger is a lot higher pitched on the Indigo Solos for some reason ( The whistley sound ) Also the Engine itself is also more " Heard "
Though I'm not sure what causes it.
