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Old 09-10-2020, 05:45 PM   #1
Mark65
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Join Date: Jan 2017
Location: Vanc wa
Posts: 2
Swap F&R diff between 76 and 81 truck

I have a 1976 K25 parts truck and wish to swat the F&R differentials into my 1981 K20 truck. My question is this doable or do I need to also change drivelines? The trucks have different transfer cases too.
Thanks for any help you can provide in this project
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