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Flathead · 11-23-2021, 07:29 PM

People have been plugging them off for decades. Engine won't run hotter, intake will run slightly cooler which is good unless you are in an extremely cold climate. Block both sides if you are going to do it.

11-23-2021, 07:29 PM	#2
Flathead Senior Member Join Date: May 2010 Location: Southern Maine Posts: 1,499	Re: V8 exhaust cross over ports People have been plugging them off for decades. Engine won't run hotter, intake will run slightly cooler which is good unless you are in an extremely cold climate. Block both sides if you are going to do it.