About This Product
2014–2018 Silverado / Sierra LV3 4.3L V6 Tune Files
Built specifically for the 2014–2018 Chevy Silverado & GMC Sierra LV3 4.3L V6 using real-world data, GM logic, and proven calibration experience. Whether you're running a stock truck, a performance cam, or want optional Crackle Tune, each file improves drivability, throttle response, and power delivery.
Base Tune — Stock Truck
Ideal for a completely stock LV3 or lightly modified setup — cold air intake, headers, exhaust. Cleans up GM's lazy factory calibration, sharpens throttle response, smooths shifting, and improves overall drivability.
Cam Tune
Built for LV3 engines running a DOD/AFM delete and an aftermarket cam. Corrects airflow, fueling, idle control, and stalling issues while keeping an aggressive, controlled cam chop. Works with a wide range of popular cam options — see below.
Supported Cam Options
We build the cam tune around your specific camshaft. Message us with your cam details before or after purchase so we can dial it in correctly for your setup. Popular options include:
- BTR Stage 2 GEN V LV3 Truck Cam
- BTR Stage 3 GEN V LV3 Truck Cam
- Texas Speed Street / Performance Cams
- Comp Cams LV3 options
- Other aftermarket LV3-compatible camshafts — ask us if you don't see yours listed
Compatibility
- 2014–2018 Chevy Silverado 1500 (LV3 4.3L V6)
- 2014–2018 GMC Sierra 1500 (LV3 4.3L V6)
- Supports stock, deleted, and cammed engines
- HP Tuners required for flashing
Tune Highlights
- Sharper throttle response + cleaner power delivery
- Smoother, smarter shifts (transmission variants)
- Fixes idle + drivability issues after cam installs
- Improved torque + acceleration feel
- Optional crackle tuning for an aggressive exhaust note
What We Need From You
- After purchase, email your HP Tuners factory read file to Tunes@JRJonesRacing.com
- Include your order number and full mod list — cam, headers, intake, injectors, converter, etc.
- Typical turnaround: minutes — up to 24 hours depending on workload
- Up to 3 revisions included if your setup needs follow-up adjustments
⚠️ Flashing & Safety Notice
Flashing your PCM can be dangerous if not done properly. Follow these steps to avoid bricking your PCM:
- Never flash over Bluetooth or Wi-Fi — always use a hard-wired USB connection
- Connect a battery charger to maintain stable voltage during the write process
- Do not interrupt the process once writing has begun
J.R. Jones Automotive & Performance is not liable for any PCM or ECU damage resulting from improper flashing or unsafe tuning practices.
Need help sending your tune file?
Watch our step-by-step video on how to read your stock file using HP Tuners and email it for calibration.
📦 Included With Every Download
Your purchase includes more than just the compare file.
🎥 Step-by-Step Video Tutorial
A detailed How to Compare Tune Files video is included with every downloadable tune. The video walks you through the entire process inside HP Tuners VCM Editor, including:
- Opening your factory tune
- Opening the downloaded compare file
- Using the Compare feature
- Opening the Compare Log (Ctrl + 5)
- Copying tables correctly
- Common mistakes to avoid
- Saving your completed tune correctly
Perfect for first-time users and anyone unfamiliar with the Compare feature.
📄 PDF Instruction Guide
You'll also receive a printable instruction guide:
📄 JR Jones Racing - READ FIRST - How to Use Your Downloadable Tune File.pdf
This guide includes:
- Step-by-step written instructions
- Recommended tables to copy
- Important warnings about injector data
- Torque Management recommendations
- Calibration tab precautions
- Saving your completed tune correctly
- Final flashing and testing checklist
Both the video tutorial and PDF guide are included at no additional cost to help ensure you use your downloadable tune safely and correctly.
