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TH400 Speedo Gear

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10-18-2016, 08:19 AM	#1
csfields Registered User Join Date: Mar 2011 Location: Elizabethtown, Kentucky Posts: 322	TH400 Speedo Gear Recently changed my rear end gears from 3:08 to 3:73. Obviously now my speedometer is reading fast. Trying to find calculator on what gear to use to make it correct. Using stock speedometer. 3:73 gears and rear tire overall height is 28.7 inches. Any help would be appreciated. I have no idea what is in there. It was pretty dead on with the 3:08's. __________________ Thanks, Casey 71 Chevy C-10 SWB 350/400 PS, PB The Build http://67-72chevytrucks.com/vboard/s...d.php?t=584045 The Brake Upgrade http://67-72chevytrucks.com/vboard/s...d.php?t=695699

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