The rest of the engine is outfitted with an Edelbrock Performer RPM intake, a Holley 750 double-pumper carburetor, Hooker 1-5/8-inch headers, and a pair of Hooker 2-¼-inch turbo mufflers. As a quick overview, the engine is a stock bottom-end GM Goodwrench 350 supplied by Scoggin-Dickey with a Comp Cams 268 Xtreme Energy camshaft (224/230 degrees at 0.050-inch tappet lift and 0.477-/0.480-inch valve lift with 110-degree lobe separation angle), roller-tipped rockers, and the Vortec heads. We achieved 384 hp by simply pocket-porting the heads and bolting them to our existing combination. Last time, we bolted on a set of GM Performance Parts iron Vortec heads that flow air like a wind tunnel. Since weve already delivered the headline news, here are the details: 408 hp at 5,800 and a stunning 430 lb-ft of torque at 3,700 rpm with only minor changes to the engine! How did we do it? Just follow the bouncing ball. In the continuing saga of the Scoggin-Dickeysupplied Goodwrench 350 that weve been beating on for five installments, the story is really starting to get interesting.