Humm... LT45 have a 2.4L 6 cyl engine...... but, VW LT46 have 2.5L 5 cyl engine, available with 75HP non turbo (SDI), or turbo engine with 83HP, 90HP, 95HP, 102HP, and 110HP version. (190 and/or 220Bar first stage opening injector)
For the size of the hole, Bosch company do not give this information.
What year and engine code of your donnor LT? what is the reference number on inj. ?
I think that the .216 nozlles it's for 5cyl 150HP engine installed in transporteur, multivan, california, but, not available in LT.
I cannot give you more info.