How much does it cost to LS swap a G-body?

Parts we've sourced so far for the G-body (Monte Carlo, El Camino, Cutlass, Regal, Grand Prix) (2026 retail prices; not a complete total):

• PSI Conversion 78–88 Monte Carlo, 78–83 Malibu & 78–87 Grand Prix EFI Tank Kit ($619.95)
• PSI Conversion LS Swap Adjustable Engine Mounts (77–90 Caprice/Impala, 82–92 F-Body, 75–79 Nova, 78–88 G-Body) ($124.99)
• PSI Conversion 99–07 Gen 3 LS/Vortec (24X) Engine Controller Kit, drive-by-cable, w/ 4L60E-75/4L80E control (standalone harness, MAF, flashed ECM, bracket) ($1,099) (optional)

Required items listed above total about $744.94. On top of this you'll need the engine itself (junkyard or crate), wiring/ECU and tuning, fuel system, cooling and exhaust as applicable. See 'How much does an LS swap cost?' for typical ranges of each.