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Sinister Chevy · 06-19-2010, 11:23 AM

Wow! This one hurts my head. My 69 c-10 speedo is reading way too fast. I know the gear ratio (3.07) and the tire diameter (29") but how do I know which speedo cable driven gear to get without taking apart the transmission to look at the drive gear.

06-19-2010, 11:23 AM	#1
Sinister Chevy Registered User Join Date: Mar 2010 Location: Calgary, Alberta, Canada Posts: 10	Speedo Cable Driven Gear Wow! This one hurts my head. My 69 c-10 speedo is reading way too fast. I know the gear ratio (3.07) and the tire diameter (29") but how do I know which speedo cable driven gear to get without taking apart the transmission to look at the drive gear.