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User Profile
The lq4 engine stands out as one of the most budget-friendly yet powerful members of the LS family. This 6.0-liter iron block engine was originally featured in GM trucks and SUVs, such as the Silverado, Sierra, and Escalade. The LQ4’s rugged construction allows it to withstand heavy loads and high stress, making it an excellent candidate for performance upgrades. Many enthusiasts love the LQ4 engine for its ability to handle boost and nitrous with minimal modification. With simple upgrades like camshaft swaps, better intake manifolds, and tuned ECU systems, the LQ4 can easily reach 450–500 horsepower. Its compatibility with countless LS components adds to its appeal. Whether you’re doing a swap project or restoring an older vehicle, the LQ4 engine delivers the ideal mix of strength, affordability, and performance potential that’s hard to match in today’s market.
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