I am also running the Hall radiator. It is 10 + years old and was using rubber mounts.
After about 8 years it developed a tiny leak. Marino (PEast) recommended, no insisted that the poly was a better product for this application.
After 2 ½ years I now have another small leak. Were the stiff poly bushings a factor? Maybe? Maybe not? But I have ordered a set of rubber bushings from Wilkinson.
Thanks for the feedback.
Jeff
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