hola amigo, lograr una conversión exitosa a un 5S-GTE no es tarea sencilla, se necesitan muchas piezas de ambos autos para hacer que funcione bien. Te dejo la lista de piezas en inglés:

Piezas requeridas

• 3SGTE Cylinder head, camshafts, and valves
• 5SFE Crankshaft machined to fit 3SGTE Connecting Rods
• 5SFE Block
• 3SGTE Intake Manifold
• 3SGTE TVIS
• 3SGTE Throttle Body, TPS, IACV
• 3SGTE Fuel rail w/ fuel injectors
• 3SGTE Timing Components: Timing Belt, Tensioner, Idler Pulley, Cam Gears, 3SGTE Timing Covers + components
• 5SFE 1999-2003 Toyota Solara or 3SGTE (High-Volume) Oil Pump
• 3SGTE serpentine/alternator belts
• 3SGTE Crank Pulley (Gen. specific) (Refer to "Parts Information: Oil Pump")
• 5SFE Rear Main Seal
• 5SFE Oil Cooler (Refer to "Parts Information: Coolant Bypass Pipes")
• 3SGTE Oil Pan (Refer to "Parts Information: Oil Pan")
• 3SGTE Oil Dipstick assembly
• 5SFE Water Pump, Thermostat, Thermostat Housing (MR2's and Celica's should use the 91-93 MR2 5SFE water pump and thermostat housing AND 3S Thermostat.)
• 5SFE Coolant Hard lines aka Bypass Pipes from a Camry (See "Parts Information: Coolant Bypass Pipes")
• 3SGTE Igniter/Coil
• 3SGTE Rotor, Cap, Spark Plug Wires
• 3SGTE Distributor (Distributorless? Refer to "Parts Information: Distributorless?")
• 3SGTE 2bar MAP Sensor
• 3SGTE Exhaust Manifold
• CT26/CT20b Turbo
• Cold Spark Plugs
• Upgraded Fuel Pump
• ATS Racing's 5SGTE Head Gasket or 3SGTE Head Gasket (Refer to "Parts Information: Head Gasket")
• 5SGTE specific Pistons (manufacturers don’t list as 5SGE/5SGTE, may be listed as "5SFE block with 3SGTE head" or "5SFE/3SGTE Head")
• 3SGTE Connecting Rods
• IAT Sensor (GM) (Optional but important for tuning)
• Fuel Pressure Regulator
• Blow Off Valve
• 3SGTE Standalone Engine Management System
• Custom Down Pipe
• Custom Cat-Back Exhaust
• Custom Intercooler and Piping
• Wiring Engine Harness parts (Refer to "Parts Information: Engine Wiring Harness")
• MAT Sensor (Gen 3 cylinder head ONLY)
• A Boost Controller (External Wastegate or Electronic Boost Controller)

Recomendaciones:

• Remove EGR system; purchase ATS EGR block-off plates (Refer to "Parts Information: Engine Management")
• Remove the balance shaft from the 5sfe crankshaft. These are prone to destroy themselves which can result in a damaged block.
• +98 5SFE Block. (Refer to "Parts Information: +1998 5SFE Block")
• 3SGTE ARP Head Studs, Main Studs
• Oil Catch Can
• Dual Core-Radiator
• Custom Torque Rod
• Electronic Boost Controller
• ATS Intake Manifold Phenolic Spacer (TVIS delete) (Refer to "Parts Information: TVIS Delete")
• Polyurethane Motor Mounts (replace rubber)
• Toyota OEM Oil Filter 90915-YZZF1 (For larger oil capacity)

Saludos.