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Re: 71 k20 differentials?
Your rear axle would be the Corporate rear,also known as the HO52. 4.10s is what you have and that's as high as it goes. Many people swap the 14-bots in for higher gearing. There are some simple alterations required...move spring pads and shock mounts. The Dana 44 can have 3.73s swapped in or you could bot a newer Dana 44 with 3.73,or an even newer 10-bolt.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed"
GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project)
GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling)
Tim
"Don't call me a redneck. I'm a rough cut country gentleman"
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