Taking on an engine swap in your high-performance Chevy doesnt need to be overly complex if you have the right components to handle the job. Sure, it was far easier back in the day when you wanted to up the ante from a small-block to big-block power, however, in todays world there are far more options available to bring the punch to your engine bay. With the most common swap being the upgrade to LS power, the gain in horsepower right out of the gate is significant enough before you even start to entertain the thought of turbos or superchargers. Regardless of whether you choose to run an automatic transmission or pull your own gears with three pedals, youll need to have a solid plan before getting started to make sure the installation is flawless.
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Recently, we visited Procision Industries in Taunton, Massachusetts, and met with shop owner Pat OBrien whose 71 Camaro will be easily recognized by regular readers of All Chevy Performance, having appeared in numerous tech articles through its buildup. Packing a high-performance 5.3L LC9 LS linked to a T-56 manual transmission it was a perfect candidate to showcase specifically designed components engineered to make your LS swap a breeze. Working with Dougs Headers, their LS engine swap products are engineered to work together with LS-specific components into a number of vehicles, including engine mounts, transmission crossmembers, oil pans, headers, and full exhaust systems.
If youre making major horsepower increases in your engine bay, one of the most important parts of the formula is moving hot exhaust gases. The team at Dougs Headers has crafted both long- and mid-length headers for the second-gen Camaro offered in either black coated or silver ceramic finish. Fashioned from mandrel-bent 1 7/8-inch primary tubes merging to 3-inch collectors, they also include 3/8-inch flanges and ports for O2 sensors. Moving rearward, their complete 3-inch stainless exhaust systems are fully compatible with their headers, engineered for a perfect fit and great tone.
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Starting with mandrel-bent 3-inch tubing for maximum airflow and long-lasting durability, the kit includes everything needed to make the installation easy, including their exclusive X-pipe, stainless mufflers, mounting brackets, Accu-Seal, and V-band clamps and hardware. Theres nothing better than the sound of a hopped-up engine roaring through its exhaust as it pulls gears accelerating hard down the street, and were here to tell you this system brings the thunder.
Dougs Headers also helped nail the T-56 transmission in place with their CAD-CAMdesigned LS swap transmission crossmember. Engineered to accommodate up to a 3-inch exhaust with no loss of ground clearance, it also features the ability to incorporate a number of the most popular manual and automatic transmission combinations through various mounting brackets and spacers included in the kit.