Hello, I'm doing a cab/bed swap from an 83 C-10 to an 82 C-20. I need to know the rear end ratio and if it's a l/s or posi. The 83 C-10 was a lwb, 305 cid, 700r4 with every option I believe. Here are the codes I got off the fwd side of the rr axel tube. TUM G034 1 Any help would be great! I have a factory shop manual but it dosen't tell me what the ratio would be. A fellow board member may buy the chassis from me. Thanks, David
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PROJECT TRUCK: 1985 SWB C10 Silverado Black/Charcoal, 1990 V2500 Suburban, 2018 Suburban, 2005 GMC 2500HD CCSB, 2014 Toyota Camry SE, HAD.....1968 Camaro RS/SS Family owned since new; 350 3 speed
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