Are you sure that I will need a longer drag link bar?
I assume it to be longer because a Discovery 2 has wider axles than Range Rover Classics.
Modifying pipes sound managable...
Is a Disco II drop arm interchangeable with a Range Rover's?
'91 Range Rover 2.5TD 20th Anniversary Limited Edition 029/300
'91 Range Rover 3.9 Vogue SE
'95 Range Rover 2.5TDi Vogue