All Knowledge Base Articles
Understanding the difference between a BEF (Backend Flash) and a Full Tune
Learn the key differences between a Backend Flash (BEF) and a full ECU tune for the Kia Stinger and Genesis 3.3T platforms.
How Remote Tuning Works on the Kia Stinger and Genesis 3.3T
Explore how remote tuning works, what tools are needed, and what to expect when tuning your Kia Stinger or Genesis G70/G80 3.3T remotely.
Why the 3.3T Stinger or G70 Might Burn Oil After a Catless Downpipe
Discover why some Kia Stinger and Genesis G70 3.3T engines experience increased oil consumption after removing catalytic converters.
Maintenance Guide for Tuned Kia/Genesis 3.3T Engines: Fluids, Belts, and Intervals
Keep your tuned Kia or Genesis 3.3T engine running strong with this detailed maintenance guide on fluids, belts, and service intervals.
Recommended Spark Plugs and Gap Settings for Tuned 3.3T Engines
Get the best spark plug recommendations and ideal gap settings for tuned 3.3T Kia and Genesis engines.
Switching Tunes or Returning to Stock: What You Need to Know
Find out what happens when you switch ECU tunes or go back to stock on your tuned 3.3T vehicle.
How Altitude and Temperature Affect Boost, Timing, and Power
Understand how elevation and air temps impact boost levels, ignition timing, and power output in your turbocharged 3.3T.
Why Fuel Pressure Matters in High-Power Direct Injection Builds
Learn why maintaining proper fuel pressure is critical in high-power direct injection setups like the Kia Stinger and Genesis 3.3T.
Fuel Trims on the 3.3T Explained: STFT, LTFT, and What They Mean
Fuel Trims on the 3.3T engine Explained: STFT, LTFT, and What They Mean – find out more in this beginner-friendly guide.
E85 vs Water-Meth Injection: Pros, Cons, and What's Best for the 3.3T
Compare E85 and water-meth injection for your tuned 3.3T engine—see the benefits, drawbacks, and when to choose each.
Piggyback and ECU Tunes on the 3.3T: Key Differences Explained
Piggyback and ECU Tunes on the 3.3T engine: Key Differences Explained – find out more in this beginner-friendly guide.
Upgraded Head Studs on the 3.3T: When and Why You Need Them
Upgraded Head Studs on the 3.3T engine: When and Why You Need Them – find out more in this beginner-friendly guide.
Fuel Trims on the 3.3T Explained: STFT, LTFT, and What They Mean
Fuel Trims on the 3.3T engine Explained: STFT, LTFT, and What They Mean – find out more in this beginner-friendly guide.
Horsepower Curve vs. Peak: Understanding the Bigger Picture
Learn why horsepower curve matters more than just peak numbers. A critical concept for tuning and performance evaluation of your 3.3T vehicle.
What to Do After Flashing Your Tune from SleepyTuned (3.3T Edition)
Just flashed your new SleepyTuned file? Here's exactly what to do next to ensure your Kia Stinger or Genesis 3.3T runs smoothly and safely.