Quote:
Originally Posted by dave dale
I run my 403 with radiator blinds and a windshield on the sump in winter. Even with these aids I sometimes have to travel 20 miles on a cold day before the oil temperature gauge needle lifts off the stop. Use of the lower gears and restrained driving until the oil temperature reaches 50C will protect the engine. Dave Dale.
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Dave, have you ever considered a sump/crankcase heater?
It doesn't have to be intrusive. You can get heaters nowadays that stick to the outside of the sump, although internal heaters are obviously more effective.