Originally Posted by
alloro
Yes 60/40 is good. If you don't want to drain it again, the best thing you could do is test the strength of the coolant. Your local hardware or auto parts store should have the testers. They're not that expensive. Here are some just in case you don't know what they look like.
antifreeze tester - Google Product Search
Thnaks for the reminder. Had one of these in my basement. Pulled it out and did a test. The reading was at the bottom end of the guage for protection. This was not good so I flushed the system about 8 times Thursday morning. Added 2 gallons of straight anitifreeze and bought a 3rd before going on our camping trip. Checked level next day and it was low so added another 1/2 gallon or so again (total now of 2 1/2 gallons of antifreeze). Tested it tonight after engine cooled and now at the top end of protection. I am much happier with the look of the coolant. Can see green in the overflow tank where before it was dirty yellow. Thanks for the tips.