As a 15 year mechaninc, I've never encounted a "stuck" rotor. You just have not hit it hard enough yet. A 1lb hammer swung at arms legnth should have it loose in 3 whacks or less. That wheel bearing holds up one heavy car, you aren't gonna hurt it with a 1lb hammer, so swing that sucker like you mean it. Hit it square on the hub, trying at least to miss the dust cap and they'll be on the floor in no time.

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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