delta88The standard engine on the Delta 88 is the 425 V8, which made the Delta 88 one of the more powerful models of the day. There was a subset Delta 88 produced known as the Delta 88 Custom which was essentially a nicer version ofSpecs datasheet with technical data and performance data plus an analysis of the direct market competition of Oldsmobile Delta 88 Coupe 5.7 V8 in 1980 the model with 2-door hardtop