The OBS generation is the GMT400 platform if you're really into truck details. These pickups were launched for 1988 and saw big revisions in 1995, before most of them went out of production in 1999.

Chevy/GMC "Square Body" trucks that came before the GMT400 typically apply to models made between 1973 and 1987. Trucks that came after (between 1999 and 2006) are referred to as GMT800s.

Produced between 1988 and 1998, the OBS (“Old Body Style”) Chevy pickup is really coming into its own among enthusiasts these days, offering a classic, squared-off design (albeit less square ...

Pricing for The Roadster Shop LowPro Chevy OBS chassis starts at $34,995, per The Roadster Shop website. A variety of options are offered as well, including mounts for the engine, upgrades for the ...

The First-Gen Chevrolet Silverado vs. the ’88–98 OBS Chevy Truck: A Revolutionary Change Updating an icon with legendary LS power. Benjamin Hunting Writer ...

Digital artist Emmanuel Brito (a.k.a. personalizatuauto), who is responsible for the job, turned the Chevy into an all-out race truck, a breed that seems to be more popular than ever these days.

If you have an old-bodystyle (OBS) 1995-1998 Chevy 1500 truck, you probably also have an OBS Chevy 1500 truck with worn-out and cracked door panels. We've learned about an upgrade that'll not only ...