Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm — Stage 1 file (+10 hp)
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Stage 1 file for Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm ECU
Mercury Marine 350 MAG 5.7L MPI V8 (I (2010+)) DTS ECT 300hp (221kW) 427Nm — marine petrol engine of the marine segment of the Brunswick Corporation group (США, 1939). Stage 1 chip tuning raises power from 300 to 310 hp (+10 hp, +3%) and torque from 427 to 450 Nm (+23 Nm). A petrol engine built in 2010 — a Tricore platform without strong protection; OBD access works.
Mercury Marine is the global leader in outboard motor production volume. Mercury Verado is the flagship range of high-output outboard motors. Mercury Marine is an American marine engine manufacturer, founded in 1939. Mercury Verado are high-output outboards, and Stage 1 delivers a solid gain. Mercury Marine focuses mainly on petrol outboard and inboard engines.
Marine engines are a specialised chip tuning segment focused on torque and fuel consumption. Marine chip tuning is a narrow niche, with calibration tailored to propeller load and operating conditions. Stage 1 on marine engines delivers a noticeable gain. High-output Mercury Verado are premium outboard motors.
Frequently asked questions
How many horsepower does the Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm reach after a remap?
Stage 1 chip tuning on the Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm boosts engine output by 10 hp: from 300 to 310 hp. Torque rises from 427 to 450 Nm (+23 Nm).
What changes in the Mercury Marine 350 MAG 5.7L MPI V8 ECU after Stage 1?
Stage 1 chip tuning of the Mercury Marine 350 MAG 5.7L MPI V8 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +10 hp with no hardware changes.
Is Stage 1 safe on the high-output Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm?
Stage 1 on the powerful Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm “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).
How much does Stage 2 add on the Mercury Marine 350 MAG 5.7L MPI V8?
Stage 2 for the Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm 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.
What happens to the Mercury Marine 350 MAG 5.7L MPI V8 warranty after chip tuning?
The factory warranty of the Mercury Marine 350 MAG 5.7L MPI V8 does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Mercury Marine 350 MAG 5.7L MPI V8 take?
On the Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Mercury Marine 350 MAG 5.7L MPI V8?
Yes, the original ECU firmware of the Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Mercury Marine 350 MAG 5.7L MPI V8?
Stage 1 for the Mercury Marine 350 MAG 5.7L MPI V8 DTS ECT 300hp (221kW) 427Nm is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.