I just completed my 4 spd swap. I have an 84 with original engine. My pilot bearing was also super tight going in... Had to dremel out the first one I put in as well, as the center portion of the bearing would not turn anymore. The bearing is ball bearing type.

I picked a japan made bearing from NAPA, it seemed to fit better, but still VERY tight.

I have a scrubbing noise in neutral that goes away when the clutch pedal is depressed or when in gear. It also grinds when shifting into reverse.

Charmalu, you were able to force the bearing into the 85 crank??? I wonder if I have a 34mm crank? My build date is 6/84.

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'82 300TD
'84 300D OM617
Auto to 4spd Manual Swap 716.210
'85 300SD 2.88 Diff (Direct Swap)
W140 HD Rear Springs w/ bilstein shocks (SLS Delete)
'83 300SD Big Brake Booster Swap
Late model 240D Manual HVAC Swap
W124 Outside Temp Gauge
Aftermarket Keyless Entry

'84 300D RIP