For the north american patrons of this site, Bell Auto Services in the UK are in the final stages of installing a TDV6 into a D90. This might be a good alternative option for DERV conversions instead of a 200/300tdi or TD5. View the pic's here :
http://www.bellautoservices.co.uk/pdf/TDV6-Defender-Build-25-07-09.pdf
Cheers,
Andy
http://www.bellautoservices.co.uk/pdf/TDV6-Defender-Build-25-07-09.pdf
Cheers,
Andy