Matt's engine got a new Thermostat and has a referb radiator in it, so the problem might be gunk in the engine it self or air in the system that we didn't get out.
When I get down there next We'll flush the system out with a good cooling system flush and try getting the air out of the system. He wanted to get it to Dyno day but his concerns about heating means it doesn't do too much travelling far from home.
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