Had another project this week. I built a 70mm throttle body for my 103. Stock the throttle body is 64mm. I machined out a stock throttle body and fitted a 72mm od steel sleeve. I turned the steel sleeve to an id of 70mm and then fitted a modified throttle blade from a 70mm electronic actuator, from an 400E. (I think) The 70mm blade was 2.5mm thick and had to be machined to 2.0mm to get into the existing shaft. The shaft had to have the slot widened a little on both sides. The outer pivot bearing had to be moved outboard by a few mm. This prevents the installation of the c-clip but the assembly is solid without it. I've posted a few pics of it in the galleries. (Maye a mod will link it for me)

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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