440 overheating at idle
Water pump should be 10-15% over driven, relative to the crank. See www.stewartcomponents.com for more info.
With a lumpy cam, you need a LOOOOOOOT of timing at idle, as much as 50*, but 25-40* is more common. This keeps the engine cooler because you are making it more efficient...& not work as hard. When the engine has to 'work', it produces more heat.
Water pump should be 10-15% over driven, relative to the crank. See www.stewartcomponents.com for more info.
With a lumpy cam, you need a LOOOOOOOT of timing at idle, as much as 50*, but 25-40* is more common. This keeps the engine cooler because you are making it more efficient...& not work as hard. When the engine has to 'work', it produces more heat.
