A group of former Harley Davidson development engineers, who call themselves the Gray Eagles, are currently working on converting a 1988 Harley Davidson FXRS V-twin engine into a turbo diesel with electronic fuel injection. The group currently don't have any plans to produce the motorcycle or engine as the motorcycle is as it's currently only a concept demonstrator as opposed to ...
- Motorcycle News
- Custom & modified bikes
- 12 March 2008
