I have read this entire thread, You mean to tell us that you didn't think it were your RESPONSIBILTY to check the coolant before winter :?: Just how long have you been racing :?: I don't know of a race engine builder that will even warranty a engine :!: Yes sir it is up to you to check it, I run pure water during race season and when it is time to stable her i always drain and fill her 70/30 coolant and water then run her to get it mixed up and thru out engine :!: JMO
Mark