Those photos are gone. I can't find them... maybe that's why I never posted. Hm. Anyway, here's another of the CB: https://www.matthewsvolvosite.com/forums/download/file.php?id=31852 Hey Matthew! I came across this old post with a Volvo magazine ad showing what I believe to be the 1970s 240 series ...

I've owned many 700 and 850 series Volvos and have performed many minor and major engine/turbo/suspension/electrical repairs... I don't like to use chemical flushes on an older vehicle and don't recommend you do so; it could send rust and scale around and clog some of the coolant ports in the radiat...