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Old 10-06-2021, 07:23 AM   #45
Benjamin
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Join Date: Jul 2012
Location: New Orleans, LA
Posts: 184
Re: speedo ratio adapter parts.

Well, it looks like the drive gear inside the t-case is worn out or stripped. I took out the sleeve and the gear (1 & 5) on both my old 203 and the "new" 205, and felt the gear inside the t-case that would drive No. 1 on the picture below. The teeth in 205 gear kinda feel a little less-than the teeth in the 203, so I'm guessing they just aren't driving the speedo gear. I put it all back together, then stuck a twig into the end of the driven gear where it connects to the speedo cable. When I rotate the rear output with my hand, the 203 would visibly turn the twig but the 205 does not. Looks like I need to change this gear. Anybody know how to do that? Also, would the 203 gear be interchangeable with the 205 gear?
Thanks,
Ben
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1972 K10, 350/SM465/NP205, 4 inch lift, 35x12.50s on 15x10 wheels
1976 K20 crew cab, 350/Ranger/SM465/NP205
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