My Bounder motorhome with the Ford chassis came with plastic end tanks. The motorhome was 4 years old when the first radiator started leaking at the crimped seam. Replaced it with the same model Ford radiator and that one lasted three years. Looked back a few years in the parts book and found a copper radiator. It was still doing fine when I sold the motorhome sixteen years later. So my experience with the plastic tanks wasn't good. The expansion and contraction of the aluminum on the lesser expanding plastic tanks caused both of the failures. I'll take tanks and cores made of the same material.
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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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