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Old 05-28-2011, 04:39 PM   #1
Red68
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Join Date: Jan 2002
Location: Rhome, TX
Posts: 209
speedometer gear size for 3:43 rear end

My speedometer is off about 10 mph, I have an original 3 speed manual transmission. Several years ago i switched out the 4:11 rear end gears for 3:43's so I think that is why my speedometer is off. I found where I can purchase a different transmission speedometer gear but I dont know which one to use for the 3:43 gears. Any ideas on how to figure this out?

The link below is an example of what I am looking for.

http://www.classicparts.com/1963-78-...ctinfo/91-930/
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1968 C10 LWB 327 bored 40 over, RHS heads, KB pistons, Eagle rods, Edlebrock carb & intake
1968 C10 flatbed 307 w/ 4 spd manual (dads old ride)
1936 1/2 tn pickup, 400sb 350 turbo (partially restored)
1949 1/2 tn, needs complete restore (future project)
1969 Chevy impala 4 dr no post (wifes future car)
2010 GMC Serria 4x4 crew, leveling kit
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