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Pocketmags Digital Magazines

OL’ SMOKEY

DAILY DRIVER-TURNED 900HP WORK STOCK PULLER

Just as in any other industry, being in-the-know in your specific corner of the automotive world can land you exceptional deals from time to time. When Jeff McCord, owner of LinCo Diesel Performance in Troy, Missouri, heard there was an LB7 with a “blue” engine in it for sale at the local dealership, he pounced. As it turns out, the ’02 Silverado 2500 HD had a fully-built SoCal Diesel mill under the hood, and the truck had only been traded in because the previous owner couldn’t get a transmission to live behind it. Well, as it turns out, Jeff’s company specializes in beefing up Allison 1000s. So not only did he score a clean, four-wheel drive ¾-ton Chevy with a built LB7 for a cool $8,000, but he had it up and running the very next day.

Daily Driver-Turned Sled Puller

Following six months of using the truck as his daily driver, Jeff decided to transform the ’02 into a competitive puller. With a goal of pulling in Work Stock, a popular and highly competitive class in his neck of the woods, Jeff knew he had his work cut out for him. For starters, at least 800 rwhp would be required to run at the front, countless IFS, chassis, and axle changes would need to be made, and an off-the-shelf turbocharger simply wouldn’t cut it. Surrounded by employees eager to see the truck storm past the 300-foot mark, Jeff and his team tore into the classic body Bow Tie. The following is what they came up with.

SoCal-Built LB7

After tracking down the original owner and getting the full scoop on the SoCal engine, Jeff had all the reassurance he needed to start adding horsepower. That reassurance consists of the factory crankshaft being secured by way of a main cap girdle and ARP main studs, Carrillo rods and fly-cut cast-aluminum Mahle pistons, SoCal’s 9100 model camshaft, and the block being machined to accept 14 mm head studs and O-rings. Stage 2 ported heads with larger stainless steel intake valves and upsized Inconel exhaust valves flow an additional 75 cfm per cylinder.

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