Lexan is a brilliant substance to use for block tops, if it was'nt so expensive, it's the stuff those funky vandal~proof(ish) bus shelters are made out of, so if you see any bus shelters with 'ikle squares missing', you'll know why
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99% of problems are user error with overtightening...
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Fixit, I guess you mean hose clips/ties eh?. Wonder how it performs in triple parallel?, better than most'd imagine I recon as long as the water is cooled adequatly...
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BillA, I don't understand what is contrary to fact?...
I meant there is'nt enough known about corrosion to gauge whether you'll be fuxored by it, have a small problem with it, have it to a degree that's not important(to you), or won't 'see' it at all. so it's best to avoid it (by not mixing disimulars) rather than deal with/risk an unknown...