I have it on good authority that an aluminum radiator is a bit inferior to a standard Morgan Radiator when it come to heat transfer. However; the Alloy radiator is quite a lot lighter and because it is welded rather than soldered is more robust than a standard Morgan Radiator. Plus if built by a very good craftsman (Peter Mulberry) gives very good service. I am using a +8 Morgan Radiator (second owner) given to Me by a friend in Denver that purchased an alloy radiator. This radiator has been faultless. I also purchased a Replica Morgan Radiator which is a copy of a '60's radiator only with upgraded materials and craftsmanship. Also over 50,000 miles and faultless. Not sure where the DHC (,61) radiator came from but with less miles seems OK. Looks to Me it comes down to CRAFTSMANSHIP!
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Seattle
