Toyota Crown 350 (3.5i V6) 315 hp — Stage 1 file (+10 hp)
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Stage 1 file for Toyota Crown 350 (3.5i V6) 315 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Toyota Crown 350 (3.5i V6) 315 hp ECU
Toyota Crown (2004) 350 (3.5i V6) 315 hp — mass-market petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 315 to 325 hp (+10 hp, +3%) and torque from 380 to 400 Nm (+20 Nm). In the CHIPOK database: 2 configurations. A petrol engine built in 2004 — the era before widespread firmware encryption, OBD flash without complications.
Toyota was a pioneer of mass-market hybrids (the Prius since 1997). Toyota has historically focused on naturally aspirated, high-compression engines. Denso is Toyota's in-house ECU supplier (a locked platform). Toyota's petrol range spans naturally aspirated Dynamic Force engines and turbo units for the GR series.
The GR models (Yaris GR, Supra) have a growing tuning culture. Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. High-output Toyota GR models sit in the performance segment with solid Stage 1 headroom.
Frequently asked questions
What power gain do you get after chip tuning the Toyota Crown 350 (3.5i V6) 315 hp?
Stage 1 for the Toyota Crown 350 (3.5i V6) 315 hp adds +10 hp — power increases from 315 to 325 hp (+3%). Torque rises from 380 to 400 Nm (+20 Nm).
What does a Stage 1 remap of the Toyota Crown 350 (3.5i V6) 315 hp include?
Stage 1 is a software optimization of the factory ECU firmware of the Toyota Crown with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +10 hp with no hardware changes.
Do you need hardware changes for Stage 1 on the Toyota Crown?
Stage 1 on the powerful Toyota Crown 350 (3.5i V6) 315 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
What is Stage 2 for the Toyota Crown 350 (3.5i V6) 315 hp?
Stage 2 for the Toyota Crown 350 (3.5i V6) 315 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.
Does the factory warranty of the Toyota Crown remain valid after Stage 1?
After remapping the Toyota Crown, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Toyota Crown?
Reading and writing via OBD takes 25-30 minutes on the Toyota Crown. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Toyota Crown?
Before Stage 1 the original of the Toyota Crown 350 (3.5i V6) 315 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Toyota Crown 350 (3.5i V6) 315 hp cost?
The remap price for the Toyota Crown 350 (3.5i V6) 315 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.