Thread: Radiator cap pressure after installation of a new Johnson radiator with flathead eng
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Old 05-17-2025, 08:21 PM   #1
Stephen Cash
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Join Date: Jan 2025
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Default Radiator cap pressure after installation of a new Johnson radiator with flathead eng
Can somebody please tell me what radiator cap pressure to use after installation of a new style radiator on a 21 stud flathead engine? Thanks
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