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Touchdown67 · 10-16-2012, 02:36 AM

I have a 65 c10 with a 12 bolt rear end, what is the best way to determine what gear ratio it has? The rear end is making a little noise. It has a SB400 with a 700r4 transmission with 275/75/15 radial tires. Would it be good to consider 373 gears?

10-16-2012, 02:36 AM	#1
Touchdown67 Registered User Join Date: Jul 2010 Location: Scottsdale, Arizona Posts: 204	Rear end gear forum? I have a 65 c10 with a 12 bolt rear end, what is the best way to determine what gear ratio it has? The rear end is making a little noise. It has a SB400 with a 700r4 transmission with 275/75/15 radial tires. Would it be good to consider 373 gears?