The Silverado 2500 HD 6.0-liter LY6 stuffed inside this shipping container features a rebuilt bottom end with a Griffin radiator, Brian Tooley Racing (BTR) LS3 stage 3 cam, LS9 head gaskets, modified heads, dual valve springs, and an upgraded trunnion kit. There’s also a Holley mid-rise intake setup with a 90mm LS3 throttle body, 42-lb Holley injectors, and a cold air intake off a 2012 Camaro SS that Stacy modified to fit. Spent fumes are projected down the insides of two Stainless Works long tube headers, before reaching a Summit Racing X-pipe, and dumping out of Magnaflow mufflers. A Current Performance Wiring plug-and-play custom harness powers and controls it all.
Stacy’s mail truck sports a 6L90 with an 8.8 Ford Explorer rear end that’s been filled with 3.73 gears and a limited-slip differential. There’s also a custom driveshaft running front to rear, along with a Derale transmission cooler, and a Circle D Specialties 3400 stall billet torque converter. Curious as to his decision to run a torque converter from Circle D Specialties, we asked Stacy what his thoughts were on the company’s products.