1984-1989 Chevy Corvette Y-Body LS Swap Radiator
When fitting a potent LS engine into a classic Y-Body Corvette, maintaining stable coolant temperatures under all conditions is critical and the 1984-1989 Corvette Radiator (Auto and Manual Trans) tackles this challenge head on. Equipped with dual electric fans, it forces air evenly through a TIG welded aluminum core and corrosion resistant tanks to prevent heat soak during stop-and-go traffic or spirited track runs. Matching original chassis mounting points and hose routing, it installs without custom brackets or frame modification, and its USA construction ensures lasting performance through repeated thermal cycles. Installation retains OEM fan shroud alignment for both transmission setups, streamlining the swap process for professional shops and home builders.
Precision TIG Welded Aluminum Core Strength
The radiator core and tanks are joined using TIG welding, a process that fuses aluminum with pinpoint control to create robust, leak-resistant seams. This method ensures each joint can withstand the rapid temperature swings and high coolant pressure typical of an LS engine, maintaining integrity even under rigorous track conditions or sustained urban traffic. Aluminum's natural thermal conductivity accelerates heat transfer away from the coolant, reducing engine temperature more quickly than other metals. By combining precise welds with a lightweight material, the design balances durability and weight savings, which is vital for preserving handling characteristics of the 1984–1989 Corvette Y-Body platform. Built in the USA to exacting standards, this core assembly delivers consistent performance through repeated thermal cycles.
Dual Fan System for Uniform Airflow Distribution
Equipped with two independent electric fans, this radiator forces air evenly across its entire width to eliminate hotspots that can lead to uneven cooling. Each fan is managed by temperature sensors calibrated for LS operation, engaging only when needed to maintain optimal coolant temperature without placing undue burden on the charging system. At low vehicle speeds or idle, the fans sustain airflow levels that rival highway driving conditions, protecting the engine from heat soak during stop-and-go traffic. On the track, they help prevent temperature spikes during extended high-load periods. This balanced airflow strategy preserves engine performance and reliability under a broad range of driving scenarios.
Corrosion Resistant Finishes Extending Service Life
Select between a natural bare aluminum appearance or a black epoxy coat to suit environmental and aesthetic requirements. The untreated finish allows simple polishing to remove surface oxidation while showcasing the raw alloy's metallic sheen. Alternatively, the epoxy layer provides full coverage over all weld seams and tank edges to block moisture and road salt that can cause pitting or corrosion. Both options undergo coating before the final welding step, ensuring every internal channel and exterior surface is protected. This comprehensive approach to finish application extends the radiator's service life and limits maintenance in humid or corrosive climates.
Direct Fit Design Simplifying LS Swap Installation
This radiator mounts directly to the factory chassis points of the 1984–1989 Corvette Y-Body, preserving original hose routing and fan shroud alignment for both manual and automatic transmissions. Clear bolt locations and OEM-style inlet fittings remove the need for bracket fabrication or frame cutting, letting professional installers and home builders complete the swap with minimal adjustments. By matching factory dimensions and attachment interfaces, the unit ensures correct positioning on the first try, reducing install time and eliminating fitment headaches. The result is a drop-in cooling solution that protects your engine without compromise.
Built for lasting performance in your LS swap and for the same radiator but without fans see our 1984-1989 Corvette Radiator (Automatic and Manual Transmission).