Factory delivery: w201 2.6 m103
Previous owner, Engdahlmotorsport who ran a m103 3.0 in it and before that https://brandtab.org/ who had it with a NA om605
Plan:
om605turbo
6speed from a 220/270CDI
Quaife 2.65 diff from 250DT w201
with a Kangaroos manifold, either for a t3 turbo, or their BMW VNT manifold
https://www.thekangaroosteam.com/shop-1/om605-cast-iron-turbo-manifold-mercedes
or
https://www.thekangaroosteam.com/shop-1/om605-2260-vnt-manifold