Making progress on my Demon

71GSSDemon said

A good 22" should be fine. They make some really nice ones nowadays. Dad's 69 Barracuda was /6 car, now a 383 runs 180-190 most days with 22". He is going to a aluminum one this winter

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I've been reading up on these Cold Case radiators.They appear to be a decent radiator. I have an aluminum radiator already but it has the tanks on the side like a Chevy radiator. I'd have to weld aluminum angle on the sides so it would bolt up to my factory holes plus it looks a bit small. Your Dads car switching to aluminum may cool a bit better especially with the better designs of today.