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There is a highly respected old timer in the Benz world that has a small shop nearby so I rang him up today. Turns out he had a significant collection of shims and was gracious enough to let me leave with the lot of them. A bunch of measuring, disassembling, re-measuring and disassembling again has yielded what I believe to be a well set up differential. I ended up with a 1.6 mm and a 1.1 mm shim to get 0.2 mm case spread and 0.11 mm backlash. The case spread is the tight side of the spec but considering I have new bearings I was hoping to hit the tight side. The backlash spec for this matched ring and pinion is 0.12 mm, but I feel ok with 0.11 mm.
The old timer offered to double check my setup with the rarer than hens teeth official Merecedes differential setup tools when I return the shims. Hopefully his numbers match mine as even in his collection, there were no 1.65 or 1.7 mm shims.
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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
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