The Ford Barn - View Single Post

Tom Wesenberg · 03-25-2017, 11:03 PM

The fan with the correct belt turns at 1 1/2 times the crankshaft speed, so lowering the belt in each pulley the same amount (lets say 1/4") would increase the fan speed very slightly, but it would be so little that it wouldn't matter. Someone else can do the math.

03-25-2017, 11:03 PM	#4
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Fan Belt Speed (pulley ratios) The fan with the correct belt turns at 1 1/2 times the crankshaft speed, so lowering the belt in each pulley the same amount (lets say 1/4") would increase the fan speed very slightly, but it would be so little that it wouldn't matter. Someone else can do the math.