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19Fordy · 07-08-2018, 02:42 PM

Switch to a 10 pound cap if your radiator and hoses are strong enough to handle the increased pressure. Just for the heck of it try running without thermostats.

07-08-2018, 02:42 PM	#10
19Fordy Senior Member Join Date: May 2010 Location: Coral Springs FL Posts: 11,925	Re: overheating flathead Switch to a 10 pound cap if your radiator and hoses are strong enough to handle the increased pressure. Just for the heck of it try running without thermostats.