1990 GMC Sierra 1500 Overview

Sierra 1500

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Sierra 1500

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CarGurus has 62,309 nationwide Sierra 1500 listings starting at $1,995.

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GMC Sierra 1500 Questions

305

I need a motor for my 1990 Sierra but I'm not sure about this 1985 305. Will it fit? I have a 305 in the truck right now but it's no good. Will it be a simple bolt up

Transmission

Will transmission from 2002 GMC Sierra fit in 1990 GMC Sierra

Transmission From 98 To 90

Will transmission from 98 chevy fit and work in 1990 gmc siera with 350

Tpi My Motor?

Hi I have a 1990 GMC sierra C1500 that I would like to put a tune port injector on. Do you think it is possible and worth doing rather than putting an efi aftermarket carburetor on? Thanks! ~Car

Truck Won't Start Unless Floored And Then Dies Out Is It Flooded?

My truck has been starting good and running pretty good but dies at times and I have to floor it to get it started again. Now it won't start at all. What could my problem be?