HCCA Forums

I have experienced a sticking Viton tipped needle valve. Sometime ago I fitted a low pressure electric fuel pump to a 1920's Packard for use only when vapor lock occurred. It bypassed the vacuum tank. I fitted a Viton tip to the float needle valve to avoid flooding when the pump was in use. After th...

Phil,
More searching on line reveals this comment on the Evans web site: "Not suitable for engines using thermo-syphon cooling systems"

Refer this web site under the heading "Application: http://www.evanscoolants.co.uk/Coolants ... c_cool_180

David

Good question, my comment was based on the experiences of a friend who tried it in a small English car that did not have a water pump. He checked with the local supplier and was told that it was only suitable for cars with water pumps. I could not find this disclaimer on the web site. I quick search...

Phil,
I believe you will find that the Evans Waterless Coolant is not suitable for cars that rely on thermo-syphon cooling. The car must have a water pump otherwise the coolant will not circulate.
David