Is it as soon as you learn about conversions -> Fuel pump Bosch XUD11 2.1TD on XUD9 1.9TD, or Lucas XUD11 2.1TD (No Epic) on Lucas XUD9 1.9TD (No Epic).
Install injectors same brand as the fuel pump of 2.1TD Lucas or Bosch.
Then Calibrate if possible with a good timing adjustment and 12mm head pump for fuel pump Bosch XUD11.Heda pump 14mm is too that difficult not to smoke self = Settings difficult on a fuel pump 2.1TD.
And adaptation of the turbo 605 or XM 2.1TD De-Wastegated, forget 2.5TD quite fragile and then just down 2.5TD engine reassembled with elements XUD9, XUD11 and DW10.
DW10 TD = 2.0 HDi 90hp 8V
DW10 ATED = 2.0 HDi 110hp 8V
DW10 ATED4 = 2.0 HDi 16V 110Hp
DW10 BTED4 = 2.0 HDi 16V 136Hp
Install injectors same brand as the fuel pump of 2.1TD Lucas or Bosch.
Then Calibrate if possible with a good timing adjustment and 12mm head pump for fuel pump Bosch XUD11.Heda pump 14mm is too that difficult not to smoke self = Settings difficult on a fuel pump 2.1TD.
And adaptation of the turbo 605 or XM 2.1TD De-Wastegated, forget 2.5TD quite fragile and then just down 2.5TD engine reassembled with elements XUD9, XUD11 and DW10.
DW10 TD = 2.0 HDi 90hp 8V
DW10 ATED = 2.0 HDi 110hp 8V
DW10 ATED4 = 2.0 HDi 16V 110Hp
DW10 BTED4 = 2.0 HDi 16V 136Hp