TTGOWYO - "Chevy engine, who cares??? Don't know if even want to answer your question!! Ha.
Actually, I can't honestly say I know yet due to the fact that it has been parked since last year, but so far so good with no cooling issues or fluid issues. I can tell you for certain that it is really nice not having a big, expensive, hunk of metal hanging down underneath the truck is a true benefit.