Quote:
Originally Posted by vstol
Finally got my LS3 427 started but the water is not flowing through the block. All parts are new to include the thermostat and a Dewitt radiator. Temp rises but radiator is cold. This is the first few starts, so I only run it for a minute or so since the engine temp rises. First thing I think of is the thermostat but I remember seeing posts about getting the water to initially flow. thanks
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There's no special tricks here. If there is coolant in the system a bad thermostat would keep water from circulating. I bet you're not allowing it to get hot enough for the thermostat to open.