Re: Back flushing the radiator
I built the two (2) PVC adapters shown in "The Restorer", September/October, 2012; pages 9 and 10.
One back-flushes the block, the other the radiator.
I took the magazine to my plumbing supply store and let a master plumber pull the necessary parts. He thought it was a great use of PVC Schedule 40.
After completing a month of Tom's Vinegar Spa treatment, I back flushed everything and watched the brown water flow!
My underdash Rexaco is showing a decidedly cooler system, even in the muggy and hot conditions in the South for the month of June!
I'd highly recommend building a pair of backflushers for the times when you don't want to demount the radiator.
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