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Old January 28th, 2019, 04:03 AM
nikolisalex nikolisalex is offline
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Join Date: Jan 2019
Location: Mechanicsville va
Truck: 1979 GMC Sierra 2wd
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Default 79 GMC Sierra 2wd 305

I am rebuilding a 79 that originally had the 250 motor and turbo 350 trans. I put a 305 in it and I’m noticing some of the wires are different. Does anyone have and wiring diagrams and also vacuum diagrams to share IMG_0141.jpgIMG_0142.jpg


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