Engine

Iveco Stralis All years S42 420hp (309kW) 1900Nm remap

Standard this engine makes 420hp and 1900Nm. Our Stage 1 file takes it to 480hp and 2178Nm.

+60horsepower

+278newton metres

1stage available

Where the power arrives

Both curves scaled from the manufacturer figures, on the Stage 1 file.

Power before and after

Standard 420hp
Remapped 480hp

Torque before and after

Standard 1900Nm
Remapped 2178Nm

Stages for this engine

Stage 1 needs nothing fitted. Anything above assumes the supporting hardware is on the car already.

Stage 1480hpup 602178Nmup 278

Every figure for the S42 420hp (309kW) 1900Nm

File	Power	Gain	Torque	Gain	Price
Standard	420hp	n/a	1900Nm	n/a	n/a
Stage 1	480hp	up 60	2178Nm	up 278	ask us

Economy files show no new power figure because they are written for torque and drivability rather than peak output.

Remapping the S42 420hp (309kW) 1900Nm

The Iveco Stralis All years S42 420hp (309kW) 1900Nm runs a factory calibration built to cope with poor fuel, skipped servicing and hot countries. We rewrite the fuelling, boost and timing for this engine on this car, then test it before you get it back. The original file is kept, so it can go back to standard whenever you want.

On the petrol side the difference shows in throttle response and in how hard it pulls through the top half of the rev range. It feels sharper off idle and keeps going where it used to flatten out.

Figures on this page are for a standard car in good health. We read the fault codes and check the basics first, and if something needs attention we will tell you before we write anything. Have a look at the other engines on the All years, the full Stralis range, or everything we do for Iveco.

Other engines on this Stralis

All years cars.

Book your Stralis

We write and test every file at our Aston workshop, on our own rolling road. Ring us with your reg and we will tell you what your car should make before you commit to anything.

Call 0121 238 8663 Ask a question