I have a 1994 Buick Roadmater, equipped with the LT1 engine, and just had
the rad changed, as the old one had cracks in the plastic side tanks. Now
that this has been done, the engine runs a LOT hotter than before, almost to
the redline before the fan kicks in.
Is this indicative of a cooling system with air in it? If so, are there any
tricks you guys have devised that burps the air out without getting coolant
into the Opticrap distributor (1994 model hasn't got the vent to remove