Re: 05 6.0 Help
when driving the temp is fine?
Remove T-stat and see if water is flowing and if that solves the issue.
I had a LS1 swap and driving around things were fine but at idle/red light the temps would get up in a hurry. I replaced water pump no change. took out thermostat and all was fine.
I know you said you replaced the T-stat but it could be faulty too....but if you removed it you can tell if the pump is moving the water.
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71 Cheyenne C10 LWB cam'd 6.0/T56 Swap
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