Chevy Obs Years - crm.catalystglobal.com e3de25
That all changed when the gmt800 arrived on the scene for. Websep 7, 2021 · learn about the major differences and changes in chevy trucks from 1988 to 1998, also known as the obs (original body style) era. Webjul 16, 2021 · this chevy truck generation was officially designated gmt400, but some enthusiasts refer to it as obs, short for old body style.