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K20super · 02-22-2018, 06:50 PM

It also helps with aluminum heads because it is not as much of a shock due to temperature change when it opens.

02-22-2018, 06:50 PM	#11
K20super Registered User Join Date: Nov 2016 Location: Center ND Posts: 73	Re: T-stat to drill a hole or not to drill a hole? It also helps with aluminum heads because it is not as much of a shock due to temperature change when it opens.