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willett · 10-19-2014, 08:36 PM

There are many small differences between the two cabs. The simple answer is YES, but if you want it to be a simple swap take as many of the cab related parts you can ie steering column, harness, trim, heater box, wiper motor and linkage

I used all '78 parts when i installed an 80's cab and there were a few hiccups that were fixed with drills and jigsaws

10-19-2014, 08:36 PM	#8
willett Another Day, Another Dollar Join Date: Nov 2008 Location: North Vancouver, BC Posts: 1,316	Re: 1984 sheet metal on 1979 frame There are many small differences between the two cabs. The simple answer is YES, but if you want it to be a simple swap take as many of the cab related parts you can ie steering column, harness, trim, heater box, wiper motor and linkage I used all '78 parts when i installed an 80's cab and there were a few hiccups that were fixed with drills and jigsaws __________________ -78 K20 Cheyenne 454 long box, 4" lift, 35" MT's, '84 cab, '80 box "its hip to be square"