An easy way to check for this is, with the engine HOT and the radiator cap
removed, look into the neck of the radiator.
If there are bubbles in the coolant then you probably have a leaking head
gasket or a cracked head.
On 14 Sep 2007 at 14:08, derf wrote:
>> Leak down test is good. But, you still might have a leaking head
>> gasket. Cylinder operating pressures are much higher than any
>> leakdown test. You could be leaking pressure into the cooling system,
>> forcing the fluid out.
>> Radiator cap could b
'65 MKIII Sprite
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