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Old 01-31-2018, 11:08 AM   #3
TinCup
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Join Date: May 2010
Location: OKC / Tonkawa, Ok.
Posts: 1,977
Default Re: Replace Radiator

Yes flushing the block is a very important step. Next after installation. I had a member of our club place a piece of ladies hose in the upper neck to catch any trash. Even after flushing the block after driving for 30 days with the hose in place he removed a golf ball size clump of junk that would have plugged the new cores for sure.
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