Moving the plate was a bad idea. It needs to be centered perfectly or it can cause other problems. BTDT

Every fuel distributor can be slightly different and the fuel mixture needs to be adjusted after replacing one. This is accomplished by adjusting the 3mm allen inside the "tower" next to the fuel dist.

Replacing the fuel dist with one from the single cam engine isn't advisable. It may run but the twin cam part is designed to flow more fuel. This may be the root of the bogging problem.

Recommend to take the old fuel dist and try to replace the plunger seal. Not much to lose and everything to gain.

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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