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09-26-2010, 11:45 PM
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#1 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Speedometer Gear
I need some help with speedo gears. This is on my '76 K10 that has an NP205 t-case. My truck currently has 31" tires on it and i will soon be putting 35's on it and i want my speedo to read right afterwards. I dont currently know the tooth count on the driven gear in the t-case, but there is a ratio adapter between the driven gear and the speedo cable. Do i just need to replace the ratio adapter? or do i need to keep the ratio adapter and replace the driven gear? And if i do need to just switch out the ratio adapter then how do i find out which one i need?
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Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB Last edited by BigRed76; 09-26-2010 at 11:48 PM. |
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