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GMC 4x4 Truck Tech

4 Wheel & Off Road's GMC 4x4 tech articles give you real-world editor-tested ways to repair, upgrade and modify your GMC 4x4 truck.

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Off Road Blog

Classic GMC Trucks
I noticed this cool old GMC in front of AAA Auto Club when I went in to take care of some biz the... more
Ultimate Adventure Tee
The coolest full-size shirt ever.... more

Off Road Forum

1982 "hodge podge " GMC
My truck started out as a 2 wheel drive , then my cousins boyfreind made it a 4x4 with parts from... more
GMC Z86??? any one know anything about this?
do you know what all it would include? because it looks like any other sierra classic that i have... more
Transmission and transfer swap
You are going to need to install a Throttle Valve Cable because you are putting a transmission in... more
Transmission n transfer swap
From a 1987 k5 2500 to a GMC 2500, pickup both with 350 engines. WILL IT WORK?... more

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