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Isuzu NPR 45-155 Dyno Tune

Isuzu NPR 45-155 Dyno Tune

Isuzu NPR Dyno Tune

Isuzu NPR on the Dyno

In this blog post, we will be discussing the benefits of a dyno tune for the Isuzu NPR 45-155 and how it can significantly increase its horsepower and torque.

If you’re not familiar with a dyno tune, it’s a process that involves testing and adjusting a vehicle’s engine using a dynamometer. This test allows mechanics to measure the power output of an engine and make adjustments to improve its performance. Evidently, in the case of this Isuzu NPR 45-155, the results speak for themselves.

Results from the Dyno Tune!

Dyno tuning results from NPR 45-155

As shown above, after conducting a pre-dyno test on this specific vehicle, the results measured at the wheels were 113 horsepower and 314Nm of torque. Accordingly, this customer was underwhelmed with the power and capabilities of the near new truck. Luckily, HD Tuning is here to help secure better fuel efficiency, power, torque, and driveability.

But after a dyno tune, the post-dyno results for this Isuzu NPR 45-155 were impressive, measuring at 173 horsepower and 462Nm of torque, a 53% increase in power and a 47% increase in torque from the pre-dyno test. Straightaway, we can see these results indicate that the engine is now performing optimally and efficiently.

Flywheel estimate and driveline losses Isuzu NPR 45-155 Dyno Tune

Flywheel Power/Driveline Losses

The factory specs for the Isuzu NPR 45-155 indicate a horsepower rating of 155 and 415Nm of torque, measured at the flywheel. As shown above the stock run from the dyno came in at 113 horsepower and 314Nm of torque. That’s a significant difference from factory figures at the flywheel, indicating that the engine wasn’t performing at its full potential. This may be due to power at the wheels compared to the flywheel, driveline losses, age and health of the vehicle, and other underlying issues that may be present on the vehicle.

Modified Flywheel Power

Furthermore, after calculating the modified flywheel figures, the Isuzu NPR 45-155’s horsepower and torque increased to 237 horsepower and 611 Nm of torque, respectively, compared to the factory flywheel ratings. These improved figures mean that the vehicle now has significantly more power and torque, which can lead to better acceleration, improved towing capabilities, and an overall better driving experience.

In summary, a dyno tune for the Isuzu NPR 45-155 can significantly improve its horsepower and torque, providing better performance, acceleration, and towing capabilities. These results are possible because a dyno tune allows mechanics to fine-tune the engine to reach its full potential, which is not always possible with factory settings. So, if you’re looking to improve the performance of your Isuzu NPR 45-155, a dyno tune may be just what you need to achieve the results you’re looking for.

Get in touch with us today to get your Isuzu Dyno Tune booked in!

Head over to our YouTube Chanel to watch some of the vehicles in action on the Dyno! 

HD Tuning Youtube Channel

Alternatively head over to our FaceBook page to see some of our recent work and drop us a DM!

HD Tuning Facebook

When considering value for money and impact, there’s no better value for money than a custom dyno tune. 

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Unlocking the Full Potential of the 2022 Volvo FH16 at HD Tuning

May 6, 2025 No Comments

Unlocking True Power & Efficiency: Custom Dyno Tuning a 2022 Volvo FH16 Built for Performance The Volvo FH16 comes equipped with a 16.1L engine and leaves the factory with 700HP at the flywheel, renowned for its durability and pulling power. This model is a favourite among truck owners who demand reliability and strength, especially when towing heavy loads across demanding terrains. Custom Dyno Tuning Process Using our state-of-the-art bogey drive truck dyno, we logged critical performance data and carried out multiple file revisions to safely enhance the engine’s performance. The tune focused on low-mid range torque gains, ideal for heavy transport and fuel economy improvements without compromising reliability. Stock: Establishing a Baseline The Volvo FH16 comes equipped with a 16.1L engine and leaves the factory with 700HP at the flywheel, renowned for its durability and pulling power. This model is a favourite among truck owners who demand reliability and strength, especially when towing heavy loads across demanding terrains. Stock Dyno Figures POWER: 606.9Hp at the wheels TORQUE: 2707.8Nm at the wheels These numbers are already impressive, but we knew there was room for improvement. With precise ECU remapping and dyno tuning, we aimed to boost power and torque while maintaining fuel efficiency and drivability – all crucial for long-haul operations Results from the Dyno Tune! The FH16 showed noticeable increases in torque across the rev range, smoother power delivery, and better fuel economy. All tailored to the needs of a working fleet vehicle. Post-Tuning Dyno Figures POWER: 664.1Hp at the wheels (+10%) TORQUE: 2971.1Nm at the wheels (+10%) Dyno Proven, Road Ready! Our bogey drive dyno allows us to test under real-world load conditions, giving you results you can feel… not just on paper.This FH16 now leaves the shop with gains that make a difference on long hauls, heavy loads, and fuel economy. Thinking about unlocking the full potential of your Volvo truck? Let HD Tuning take your fleet to the next level! Head over to our YouTube channel to watch some of the vehicles in action on the Dyno!  HD Tuning Youtube Channel Alternatively head over to our FaceBook page to see some of our recent work and drop us a DM! HD Tuning Facebook When considering value for money and impact, there’s no better value for money than a custom dyno tune.  PDI Performance Diesel Intercoolers PDI Isuzu NPS / NPR Truck PDI Heavy Duty Transmission Cooler $950.00 Add to cart AlienTech Powergate 3+ OBD Programmer – Isuzu N Series 45-155/75-155 $495.00 Select options AlphaTech AlphaTech Spark 3 $300.00 Select options Make an Enquiry Subscribe to our Blog! Subscribe

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