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Juiced06GTO · 08-03-2021, 08:17 PM

Bad riser gasket then maybe, or just bad design allowing reversion up through the manifold when slowing down?

I've never had a closed cooling marine engine apart so wasn't sure what they did with the heat exchanger water.

08-03-2021, 08:17 PM	#12
Juiced06GTO Senior Member Join Date: Aug 2017 Posts: 204 Thanks: 8 Thanked 82 Times in 47 Posts	Bad riser gasket then maybe, or just bad design allowing reversion up through the manifold when slowing down? I've never had a closed cooling marine engine apart so wasn't sure what they did with the heat exchanger water.