{"product_id":"performance-radiator-for-chevrolet-impala-1980-1985-3-8l-4-1l-4-3l","title":"Performance Radiator for Chevrolet Impala (1980-1985) 3.8L 4.1L 4.3L","description":"\u003ch2\u003eHigh-Efficiency Performance Radiator for 1980-1985 Chevrolet Impala\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Radiator replaces the factory copper-brass or aging composite radiator on the 1980-1985 Chevrolet Impala to optimize heat rejection and prevent coolant loss under continuous operating loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Impala Thermal Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems in sixth-generation \u003cstrong\u003eGM B-body\u003c\/strong\u003e vehicles relied on early crimped composite end tanks or aging copper-brass cores sealed with lead solder. Over decades of heat cycling, these original units suffer from severe internal scale accumulation, seam separation, and embrittled tank-to-core seals. Once the factory core develops restricted flow tubes, coolant stagnation causes rapid cylinder head heat soak, elevated operating temperatures during idle or heavy traffic, and catastrophic fluid leaks along the lower tank seams.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct replacement performance cooling unit replaces brittle materials with a 100% all-aluminum assembly. Featuring a high-density, furnace-brazed aluminum tube-and-fin core mated to hand-formed, TIG-welded aluminum end tanks, this design eliminates mechanical crimp gaskets and failure-prone solder joints. The increased fin surface area maximizes ambient heat transfer efficiency, ensuring consistent thermal regulation for both carbureted and early fuel-injected powertrains like the \u003cstrong\u003eLC3\u003c\/strong\u003e, \u003cstrong\u003eLC4\u003c\/strong\u003e, and \u003cstrong\u003eLB4\u003c\/strong\u003e. Integrated internal transmission cooler ports maintain factory transmission line routing while protecting automatic transmission fluid from thermal degradation.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1980-1985 Chevrolet Impala\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e3.8L (LC3\/LD5), 4.1L (LC4), 4.3L (LB4) \/ GM B-body\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e110-130 hp \/ 170-210 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1980-1985 Chevrolet Impala 3.8L V6\u003c\/li\u003e\n  \u003cli\u003e1980-1984 Chevrolet Impala 4.1L V6\u003c\/li\u003e\n  \u003cli\u003e1985 Chevrolet Impala 4.3L V6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the B-body Impala?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1980-1985 Chevrolet Impala equipped with the 3.8L, 4.1L, or 4.3L engine options utilizing stock core mounting positions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit feature an internal transmission cooler?\u003c\/strong\u003e\u003cbr\u003e Yes, it includes internal transmission cooler fittings that accept standard GM inverted-flare transmission hard lines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Durability Standard\u003c\/h3\u003e\n\u003cp\u003eFull-size GM passenger cars require continuous cooling capacity to manage severe-duty cycling and highway cruising. This all-aluminum performance radiator restores reliable thermodynamic equilibrium, keeping your classic powertrain operating at peak mechanical efficiency without cooling-circuit compromise.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50593913667832,"sku":"DS-EYV1ZDKHB","price":174.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-radiator-for-chevrolet-impala-1980-1985-3-8l-4-1l-4-3l-1.jpg?v=1790052826","url":"https:\/\/performancechiptuning.com\/fr\/products\/performance-radiator-for-chevrolet-impala-1980-1985-3-8l-4-1l-4-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}