Put a TPS on it. TPS AE is easier to set up. Go to a pull n pay to get enough connectors to build a harness. The 104 rail has a regulator built in and the best bet is to also pull the feed and return hose from the rail donor. I'd plan to **** can all of the CIS stuff which means you'll need to figure out idle air routing, engine breathing, and air filter. The idle air passages in the intake manifold flange can have issues with fuel robbing between adjacent cylinders if batch fired. If at all possible, do full sequential.

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90 300TE 4-M
Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197° intake cam w/20° advancer
Tuned CIS ECU
4° ignition advance
PCS TCM2000, built 722.6
600W networked suction fan
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff