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voltdr · 11-27-2016, 11:50 AM

Vapor pressure, humidity, and water grains are an expression of the amount of moisture in the air. More moisture = less fuel vapor in the intake charge = less HP. You can different arguments about which one is better.
Dan
SC4698

11-27-2016, 11:50 AM	#2
voltdr Senior Member Join Date: Jan 2008 Location: Texas Posts: 700 Likes: 77 Liked 87 Times in 47 Posts	Re: Vapor Pressure Vapor pressure, humidity, and water grains are an expression of the amount of moisture in the air. More moisture = less fuel vapor in the intake charge = less HP. You can different arguments about which one is better. Dan SC4698