1965 Pontiac GTO Hardtop: A Potent 498 Stroker with Modern Upgrades

1965 Pontiac GTO Hardtop: A Potent 498 Stroker with Modern Upgrades

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The 1965 Pontiac GTO is widely regarded as the car that ignited the muscle car craze. Originally an option package for the Pontiac LeMans, the GTO became its own model in 1966 due to its overwhelming popularity. However, the 1965 model year established the formula: a mid-sized car with a large-displacement V8 engine focused on performance. Its combination of powerful engines, sporty styling, and affordable price made it a hit with young buyers and performance enthusiasts. While factory GTOs of this era were equipped with 389 cubic inch V8 engines, this particular example has been significantly upgraded with a larger, more potent modern build, showcasing the potential for restomodding these iconic vehicles.

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Engine and Performance: This 1965 Pontiac GTO Hardtop has been fitted with a formidable Rhyne Racing Pontiac 455 engine block that has been bored and stroked to an impressive 498 cubic inches. This significantly larger displacement, combined with modern engine building techniques, results in substantially increased horsepower and torque compared to the original 389 V8. While specific output figures are not provided, an engine of this size and build is likely producing well over 500 horsepower, offering exhilarating acceleration and a thrilling driving experience. The engine is mated to a modern Tremec T56 six-speed manual transmission, providing precise gear changes and allowing the driver to fully exploit the engine’s power. The car is equipped with a Pypes 3-inch exhaust system featuring electric cut-outs, allowing for both a refined rumble and an aggressive roar at the flip of a switch. A Tanks Inc. 25-gallon fuel tank and a Walbro 430 fuel pump ensure a reliable fuel supply for the high-performance engine.

Exterior Features: The exterior of this GTO has been finished in a custom Tattoo Ink paint, a unique and likely eye-catching color that sets it apart from factory offerings. The body retains the classic 1965 GTO styling, known for its stacked headlights and clean lines. The car rides on American Racing 18-inch custom offset wheels, fitted with Eagle Indy tires (275/40/R18 99W rear and 255/50R18 95W front), providing a modern stance and improved handling. The trunk, wheel wells, and roof have been coated with Lizard Skin, a sound deadening and thermal insulation material, suggesting a focus on both performance and comfort. LED lights with halos provide improved visibility and a modern aesthetic.

Interior Appointments: The interior of this GTO features Dynamat sound deadening in the interior and doors, contributing to a quieter and more comfortable cabin. The car is equipped with Auto Meter Phantom gauges, providing accurate readings of vital engine parameters in a stylish and easy-to-read format. The multi-color interior likely features custom upholstery and trim, complementing the unique exterior paint.

Chassis and Handling: This GTO has been significantly upgraded in terms of handling and braking. A QA1 coilover suspension system has been installed, offering adjustable ride and damping for improved handling and a customized stance. SSBC disc brakes provide significantly enhanced stopping power compared to the original drum brakes, ensuring confident braking performance to match the upgraded engine.

Summary:

  • Features a Rhyne Racing 455 block bored to 498 CI V-8 engine.
  • Equipped with a Tremec T56 6-speed manual transmission.
  • Finished in a custom Tattoo Ink paint.
  • Rides on American Racing 18-inch custom offset wheels.
  • Upgraded with QA1 coilover suspension and SSBC disc brakes.
  • Features a Pypes 3-inch exhaust with electric cut-outs.
  • Interior with Dynamat, LED lights with halos, and Auto Meter Phantom gauges.

Disclaimer: Modifications have been made to the original vehicle. Information provided is for general informational purposes only and is based on available details. Potential buyers are advised to conduct their own thorough inspection and verification of its condition and specifications.

AI Assistance: Gemini

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