Have two builds, one will be easier than the other.
1.1973 Mercedes 280C, will be installing 4200, 4l60e replacing the m110 inline 6 and 4spd auto.
2. 1989 Jeep Grand Wagoneer
I have acquired 04 Trailblazer 2wd and 04 Envoy 4wd.
Limequat ECM and possibly harness.