Dyno Tuning Isuzu NNR: A Deep Dive into Performance Enhancement of the 2018 Isuzu NNR 45-150 with the 4JJ1 Engine

Excellence in Engine Optimization

Within the sphere of vehicular performance, HD Tuning stands as a beacon of innovation and precision. Our spotlight today is the meticulous work we’ve executed on the esteemed 2018 Isuzu NNR 45-150, underpinned by the renowned 4JJ1 Engine. As we delve deeper, we’ll uncover the nuances of dyno tuning and how our approach has revamped this vehicle’s performance metrics.

Results from the Dyno Tuning!

While stock figures provide a foundational understanding of a vehicle’s capabilities, at HD Tuning, we perceive them as mere starting points.

The initial metrics for the 2018 Isuzu NNR 45-150 indicate a performance of 124.9HP and 337.9Nm at the wheels. Although commendable, we were confident of augmenting these numbers.

Post our specialized dyno tuning, the vehicle showcased an impressive 146.2Hp and 403.3Nm at the wheels. In essence, this denotes an increment of +15% in Power and +20% in Torque – a clear testament to the benefits of precision tuning.

Flywheel Power/Driveline Losses

For the unversed, driveline losses – the discrepancies arising when power transits from the engine to the wheels – can obfuscate a vehicle’s authentic prowess. By considering these losses, we can deduce the estimated flywheel power, providing a holistic understanding of the engine’s capabilities.

Through our comprehensive tuning processes, we aim to mitigate these losses, ensuring the engine operates at its peak, thereby translating to tangible on-road performance enhancements.

Head over to our Contact Page to get in touch with us directly

Take a look at what we do on our Home Page

Take a look at the stock specifications for this model from Isuzu – Isuzu Spec Sheets

Take a look at the 4JJ1 Specifications here – Isuzu J Series

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!

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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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