'78 GMC General 318 Detroit Rev Up

[@nellsonstout7001]

A buddy of mine down here in Martinsville runs one. Not sure what’s powering it but it ain’t a screaming jimmy

[@garymontgomery454]

I DROVE THOSE BK N THE DAY. GRT TRUCK. 👍🏻👍🏻

[@dwightcorbett8889]

Short but sweet

[@danallan1563]

GM did build a bunch of those with brand x engines. I personally would never run one that wasn't Detroit powered.