The gears and clutch won't be a problem, but the front bearing being starved from having its oil blocked will.
You're putting a cover to a machined surface it needs less than 1/4 wide bead and its sealed, or just use the gasket and no silicone
1995 Jeep gc ltd, 2005 Jeep gc ltd , 71 Dart, 73 RR 440-6pk, 78 Mag GT, 85 Power Ram W-350, 92 Daytona, 99 Dakota, 08 Ram 2500
Less than 8 is like playing with half a deck
Long Island Motorsports Association