Chevy Beretta Cavalier Corsica Celebrity 3.1L V6 Remanufactured Engine 1989-1990 FWD

Independent technicians battle blown head gaskets and warped aluminum cylinder heads on high-mileage front-wheel drive sedans. This Chevrolet Cavalier 3.1L Remanufactured Engine long block restores original mechanical integrity to 6-Cylinder 12-Valve OHV powertrains. A mandatory trade-off requires cooling system vacuum bleeding before initial thermostat operation to prevent localized air pockets that warp fresh aluminum cylinder heads.

Cast iron engine block carries casting numbers 459, 219, or 618 cast on the front and left side. Reconditioned aluminum cylinder heads carry casting marks 651, 834, 696, or 511 with precision-surfaced deck faces. Crated envelope dimensions measure 36in length by 36in width by 36in height with an engine weight of 267 lbs. Rotating components feature crankshaft casting 981, nodular iron connecting rods, hypereutectic pistons, and a 4.5-quart steel oil pan.

Key Features of Chevrolet 3.1L

Repair shops buy Chevrolet 3.1L remanufactured engine assemblies to restore dependable commuter service and eliminate chronic valvetrain tick in classic compact cars. This long block stops oil burning while restoring original cylinder compression across all 6 combustion chambers.

- Cast iron block decks receive CNC resurfacing to Ra 25 finish to ensure gasket clamping
- Diamond plateau cylinder honing leaves cross-hatch oil retention grooves that seat rings within 500 miles
- Crankshaft casting 981 undergoes journal micro-polishing to hold 0.0003in TIR runout
- Align-honed main bearing saddles maintain 0.0012in clearance to protect bottom-end bearings under load
- Aluminum cylinder heads receive heat treatment and deck milling to stop coolant migration
- Hydraulic roller lifters and hardened pushrods eliminate valvetrain noise and maintain valve duration
- Remanufactured 12-Valve cylinder heads feature valve seats cut to 0.001in concentricity for tight compression

Dyno Load Precision Machining Tolerances

Automated dynamometer spin testing verifies 140 HP output at 4,800 RPM and 180 ft-lbs torque at 3,600 RPM under simulated operating conditions. Machine shop tolerances enforce crankshaft journal runout below 0.0003in TIR and connecting rod bearing oil clearances at 0.0012in. Plateau-honed cylinder walls deliver uniform compression between 165 PSI and 170 PSI across all 6 combustion chambers. Hot engine oil pressure measures 50 PSI at 2,500 RPM while regulated coolant operating temperatures maintain 195°F to confirm cooling jacket flow integrity.

Vehicle Fitment Drivetrain Guide

This remanufactured long block fits 1989 to 1990 Chevrolet Beretta, Cavalier, Corsica, and Celebrity models equipped with the 3.1L 3135cc V6 engine and VIN code T. Compatible with front-wheel drive transaxles paired with 3-Speed or 4-Speed Automatic transmissions. Drivetrain note: this engine uses block castings 459, 219, or 618. It does not fit casting 519 applications, rear-wheel drive Camaro platforms, or later generation 3.1L engines featuring composite intake manifolds.

Installation Protocol Service Schedules

Prime internal oil passages with an external drill tool before distributor insertion to lubricate the camshaft lobes and lifter valley. Flush radiator passages and replace aged radiator hoses to prevent cooling restriction. Warning: never run this non-turbo long block with aftermarket turbocharger kits or nitrous systems exceeding 50 HP on stock cast pistons.

- Fill crankcase with 4.5 quarts of SAE 5W-30 break-in oil before cranking the starter
- Drain break-in motor oil and replace the spin-on filter after the first 500 miles
- Perform recurring engine oil and filter changes every 3,000 miles or 5,000 miles

Warranty Terms Core Return Policy

Every remanufactured Chevrolet engine comes backed by our 3-Year Unlimited-Mile parts warranty for reliable consumer and commercial protection. Our logistics team provides prepaid freight return tags for your rebuildable core within an authorized 30-day window. Each crate delivers the long block, oil pan, front timing cover, and technical installation guides.