Thread: Aluminum radiator question

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copper brass they say it.s the lead holding heat transfer back or bedding the header cores in epoxy .3 or 2inch wide rows work better then 4 per rows . if the radiator is the same width . there less dead spot.s on the core when air cross the core and more surface in play they say. all this only works if the fins per inch are about the same if your going to compare any radiator to another. price on core can cost more if there not a comon size cost of tooling in the past a filler or spacer was used by some to make use of a more popular core that could be used and still be a drop in fit .price drop? i do not think so but there is more and more builder of street rod. hot rod. rads as they have made more core sizes as most all of the after market rads were based off OEM cores most all the one 20 years ago were ford cores .i think it not to big or a deal going two a wider copper tub as i have a wide copper tube rad in the chevy . i am sure there is rules to all of this and copper starts getting heavy . i use alot of They,s in this post as some of this is what some of guy that built them told me .if you see were i live then you may know who the they are?