Why so critical of "universal" flex radiator hoses?

Its all good, I know my car has the incorrect radiator in it, its a FUBAR from way back, scrapped the original, snagged one from a u pull it when Darts were still in U pull its, had it "re cored" triple core for extra capacity. Had I known I would have had the original re-cored DOH!:BangHead: I dont figger Ill be parking my car and popping the hood for all the car experts at the burger stand to come by and critique.

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