Can anyone give a reaon why series 3 jumping out of first gear on over run

Looking for a 2.25 petrol flywheel, five main bearing type

Looking for a 2.5 five main bearing type flywheel - petrol

Thanks for that. Does anyone have a 5 main bearing type flywheel 2.25 petrol

Can anyone tell me if a 3 main bearing flywheel will fit a 5 main bearing engine on a 2.25 Series III landrover