exchange top of pump

[jossTD]

:oops: as i'm new i surely make some mistake, audi 80 1993 1.9 td aaz engine, intercooler ,mod on pump, and like starrd dont have the lda machined top pump.
i've got a gtd 1.6 golf pump and want to exchange the top to have a more responsive engine, i look at the forum since weeks maybe someone could help me, salutations les amis...