Stock Tune vs Street Tune vs Dyno Tune – Why the Right Tune Matters
- Sep 26
- 2 min read
When it comes to getting the most out of your Holden VF Calais LFX V6, not all tunes are created equal. Recently, a customer drove all the way from Queensland to our workshop, eager to unlock the full potential of his LFX. What started as a simple street tune quickly turned into a lesson on why dyno tuning delivers the safest and most consistent results.
The Setup:
We carried out the following modifications before tuning:
Purge Solenoid Upgrade
VCM OTR Cold Air Intake
New Intake Gaskets
5mm Manifold Runner Spacer Upgrade
On the street tune, things looked promising, but once we put the Calais on the dyno, we quickly discovered it was running too lean at the top end. That’s a recipe for engine damage if left unchecked. Using the dyno, we fine-tuned the fuelling and driver demand tables, making sure power delivery was smooth, consistent, and safe.
The Numbers:
📊 Initial (Stock Tune):
161.8 kW @ 210
348.0 Nm @ 110
📊 After a Street Tune:
196.7 kW @ 210
383.0 Nm @ 110
📊 Final Dyno Tune Result:
196.7 kW @ 210
383.0 Nm @ 110
Why Dyno Tuning Wins Every Time
The LFX engine is heavily dependent on accurate sensor feedback from the MAF, O2 sensors, and MAP. A street tune alone often misses these critical adjustments, leaving performance on the table and risking long-term reliability. A hybrid approach — combining real-world testing with dyno verification — ensures both power and safety.
At Revhigh, we don’t just chase numbers. We make sure your car runs at its absolute best without compromising reliability. That’s why we always recommend dyno tuning for LFX engines and beyond.
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Phone number: 03 90016375
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