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Speedo Gear ?

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12-11-2023, 04:45 PM	#1
Dan-K Registered User Join Date: Aug 2009 Location: Ft.Collins, Co. Posts: 110	Speedo Gear ? I have a 71 C10 with a 350 / 350 combo . It currently has a 3:08 rear end gear and I am switching to 3:40 gears . What speedo gears do I need to read the correct MPH ? Tires are 255 70 15 .

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