cooling not so cool

kursplat said

ok, i have to ask. if this is a new build, WHY is there "junk" in the coolant if this is a fresh build? old radiator? did anyone remove all the freeze plugs and clean the coolant passages? old heater core? :realcrazy:

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that i do not know? car was bought with everything already done by someone else. i did not over see any of the rebuild process. so today was a discovery/tear down and see what we got. this is the crap that came out of the radiator