LS Swap Radiator for 1977-1982 Chevy Corvette Manual Transmission
When planning an LS engine transplant into a late seventies Corvette with a manual gearbox the 1977-1982 Corvette Radiator (Manual Trans) addresses the critical need for reliable temperature control. Crafted from fully TIG welded aluminum tanks and a dense core it offers rapid heat rejection and steadfast corrosion resistance suited for spirited street runs or track days. Mounting points and hose connections align directly with the original Y Body chassis layout so there is no chopping or adapters required for installation. In addition its lighter weight design helps maintain front end poise under cornering loads while ensuring consistent cooling throughout your LS swap.
Precision TIG Welding for Leak Free Performance
The radiator's tanks and core are joined using tungsten inert gas welding to deliver uniform fusion at each joint. This method avoids the porosity and weak spots that can occur with other joining techniques, creating a barrier that resists coolant leaks even under repeated heating and cooling cycles. Achieving consistent fusion across high grade aluminum panels requires precise heat control, which ensures each seam maintains full strength under pressure. The robust welded construction supports stable coolant flow, preventing hotspots during spirited driving or track sessions. Users benefit from dependable performance and reduced maintenance over the life of the radiator.
Aluminum Core Optimized for Thermal Efficiency
The core is crafted entirely from premium aluminum to maximize heat transfer from engine coolant to the surrounding airflow. A dense arrangement of precision fins enhances surface area, allowing rapid dispersion of temperature spikes when the engine is under heavy load. Since aluminum is unusually light for its strength, the design reduces front end mass and contributes to more responsive steering and improved balance through tight turns. The combination of advanced fin geometry and lightweight structure delivers consistent operating temperatures while preserving the driving feel of the original chassis. Radiator capacity is sized to meet the cooling demands of an LS engine in a Y Body Corvette without compromise.
Coating Choices Tailored for Durability and Style
Owners can select a classic bare aluminum finish or opt for a black epoxy coat to suit performance goals and aesthetic preference. The untreated surface offers minimal thermal resistance and allows the core and tanks' craftsmanship to remain fully visible. In contrast, the epoxy layer adds an extra barrier against moisture, road debris and corrosive elements, extending service life in humid or coastal climates. Both treatments adhere firmly to the aluminum substrate without interfering with heat rejection, ensuring long term reliability. The choice of finish can also complement under hood styling or maintain a factory appearance.
Plug and Play Design for Seamless Installation
This radiator is engineered to match the factory mounting points and hose outlets found on 1977 through 1982 Y Body Corvettes equipped with a manual transmission. By aligning precisely with the original frame brackets, it eliminates the need for cutting, adapter plates or custom brackets. The result is a straightforward fit that preserves chassis integrity and avoids interference with the transmission tunnel or steering linkage. Technicians and enthusiasts alike can complete the swap with confidence that coolant lines will remain free of kinks and clearances around other engine bay components are maintained. This approach reduces installation time and minimizes the risk of errors during the LS engine conversion.
This radiator delivers reliable cooling for your LS swap and for the same radiator but with fans see our 1977-1982 Corvette Radiator (Manual Transmission) with Fans.