Ems Posted August 31, 2018 Share Posted August 31, 2018 Looks like the head gasket might be on it's way out as water has been coming out of the radiator overflow during the last few journeys. The car hasn't overheated. The engine has done around 2000 miles in 4 years since a rebuild with new thermostat, rad cap, water pump, etc. Are there any known problems with the early Coscast head and are some gaskets better than others? What pressure rad cap should I be using on the standard Manta rad with the C20XE I think the one I've got at the moment is 13.5psi? Thanks Quote Link to comment Share on other sites More sharing options...
garymanc Posted August 31, 2018 Share Posted August 31, 2018 Have you checked for a airlock if it hasn't overheated Is there any oil in the water or the other way about when my xe head gasket went it was very noisy and rough running as it blew inbetween cylinders Quote Link to comment Share on other sites More sharing options...
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