1984-1989 Chevy Corvette LS Radiator for Auto and Manual Transmissions
This radiator brings tailored cooling performance to LS swaps in 1984-1989 Y Body Corvettes by fitting directly to factory frame rails and accommodating both automatic and manual transmissions. Its TIG-welded aluminum core and tanks eliminate porosity and withstand pressure surges and vibration in the narrow engine bay. Factory hose outlets align without trimming or adapters preserving clearance around steering and air conditioning lines for a straightforward installation. Corrosion resistant materials and optional epoxy coating protect against environmental factors while sustaining consistent heat rejection season after season.
Precision TIG Welding Ensuring Leakproof Strength
This radiator is assembled using 100 percent TIG welding to join high grade aluminum tanks and core with exceptional joint integrity. The focused heat input and controlled filler feed produce smooth, consistent welds that resist coolant leaks under rapid pressure surges and sustained vibration in the narrow engine bay. Eliminating porosity at each seam ensures the unit maintains its structural strength even during extended spirited runs. Technicians find the predictable weld quality reduces the likelihood of rework and contributes to reliable performance in demanding LS swap environments. By relying on TIG welding rather than modular braze techniques, the assembly delivers a more uniform bond that stands up to thermal cycling season after season.
High Grade Aluminum Structure for Efficient Heat Transfer
Constructed entirely from high grade aluminum, the core and tanks offer superior thermal conductivity to move heat quickly away from coolant passages. This lightweight design helps preserve front end balance as engine output climbs, making spirited driving and towing more controlled. Aluminum's natural resistance to corrosion keeps coolant flow passages clear, safeguarding performance over many miles of use. The metal's low density also allows for a thinner core profile, which is critical in the confined space of a Y Body chassis. Overall, this structure combines rapid heat rejection with a mass savings that supports both everyday driving and track work.
Coating Variants Guarding Against Corrosion and Wear
Choose between a classic bare aluminum finish that highlights the core's natural sheen or a black epoxy coating that adds an extra barrier against environmental exposure. The bare option appeals to purists who prefer an authentic under-hood appearance and trust unadorned aluminum for its corrosion resistance. The epoxy treatment, applied in the USA using proven methods, seals out moisture, road salts, and airborne contaminants for long term surface protection. Both finishes maintain consistent heat rejection and do not compromise the radiator's cooling capacity. This choice allows owners to match the under-hood look to personal style while ensuring dependable defense against rust and wear.
Seamless Integration with Automatic and Manual Transmission Layouts
Engineered for direct fitment in 1984 to 1989 Y Body Corvettes, this radiator aligns perfectly with factory frame rails for both automatic and manual transmissions. Hose outlets match stock locations, preserving clearance around power steering and air conditioning lines with no trimming or adapters required. Whether paired with an automatic torque converter or a manual gearbox, the unit installs quickly and reduces common fitment headaches. The precise design ensures consistent coolant flow and temperature stability right out of the box. This approach saves valuable workshop time and lets builders focus on final tuning rather than custom modifications.
Count on this radiator for precise cooling and effortless installation in your 1984-1989 LS swap. For the same radiator but with fans see our 1984-1989 Corvette Radiator (Automatic and Manual Transmission) with Fans.