For Sale: 1969 Chevrolet Chevelle in O'Fallon, Illinois

Gateway Classic Cars Houston Showroom is proud to present this 1969 Chevrolet Chevelle 396SS. The 1969 Chevrolet Chevelle SS396 stands as a pinnacle of the classic American muscle car era. Few cars stood out from the rest like the 1969 L78 SS396 Chevelle, and enthusiasts regard the Chevelle as one of the most iconic muscle cars ever. For 1969 the Chevelle's long-hood, short-deck styling (introduced in 1968) continued, and Chevrolet reintroduced the highest-output 396 cubic-inch engine in its lineup. The SS396 hardtop (and convertible) could be ordered with the legendary L78 option - a 375-horsepower version of the Turbo-Jet 396 - which cemented the Chevelle's reputation for bold styling paired with truly high-end performance.The L78 option was famously elusive and rare. It was never listed in the standard sales brochures, requiring a special dealer order (RPO L78). he L78 option was expensive for its day ($252.80 in 1969) and delivered an uncompromising 375 horsepower (with 415lb-ft torque at 3,600rpm)Only 9,486 Chevelles were built from the factory with the L78 in 1969. Today the L78 396 is highly prized by collectors for its rarity and historical significance - a verified L78 engine code (as recorded on the L78 registry) is a potent mark of authenticity and investment value.Mechanically, the L78 396 was a thoroughly race-ready big-block. It was the only factory SS396 engine with four-bolt main bearing caps, and it used a nitrided forged-steel crankshaft for extreme durability. Chevrolet equipped the L78 with solid lifters, 11.5:1 compression pistons, and aggressive cam profiles. The iron cylinder heads were the high-performance "square-port" design with massive 2.19-inch intake valves. Breathing was handled by a cast-aluminum high-rise intake manifold (often called a Winters "snowflake" manifold) feeding a 4150-series Holley vacuum-secondary four-barrel carburetor rated at 780cfm. In stock form this combination yielded the factory 375hp at 5,600rpm and 415lb-ft at 3,600rpm.In short, the L78's forged internals, robust valvetrain, and generous airflow made it one of Chevrolet's most potent production engines of the era.This specific Chevelle SS396 is finished in its original Orange exterior paint over a carefully redone black interior. The L78 engine has been rebuilt by Competition Auto Machine (Spring, Texas) to factory specifications, with a modern roller cam installed for reliability while preserving the correct power curve. The drivetrain uses the correct Muncie M20 wide-ratio four-speed manual transmission and a heavy-duty 12-bolt rear end. Notably, the rear end now wears 3.73:1 gears (upgraded from the original 4.11:1) for a more usable cruising ratio. Restoration work was scrupulous: the bare frame was media-blasted and powder-coated, and all suspension and steering components were rebuilt to original F41 SS396 specification. The car is equipped with period-correct amenities (and some sympathetic upgrades): Vintage Air air conditioning (styled like factory A/C), an AM/FM radio, power steering and original-style power-assisted front disc brakes (the rear discs also updated for safety), plus modern radial tires and lap seatbelts. Overall, the fit and finish reflect a high-quality restoration that balances authenticity with drivability and comfort.Owning this 1969 Chevrolet Chevelle SS396 L78 is far more than acquiring a restored classic; it is securing a piece of muscle car history that represents the peak of Chevrolet's engineering in the golden era. With its verified L78 registration, restoration, and painstakingly accurate mechanical rebuild, this Chevelle stands among the most desirable examples available today. The combination of rarity, performance pedigree, and thorough restoration ensures that it is not only a car to be enjoyed on the road but also one that will continue to appreciate in value as demand for authentic investment-grade muscle cars grows. For the discerning collector, this Chevelle is the kind of opportunity that does not come around often-equal parts showpiece, performer, and blue-chip investment.