Optimized Stock Tune incl EFI Live SPADE

Features:

• Includes EFI Live SPADE AutoCal v3
• Emissions equipment stays fully intact
• 50 state legal tuning solution
• Improves driveability without adding peak power
• Great for troubleshooting engine issues
• Ideal for loaning your truck to others
• Reduces smoke output from your exhaust
• Perfect for trucks with minor upgrades
• Helpful for adjusting custom tire sizes
• Supports smooth shifting with optional TCM tuning
• Safe baseline for cautious new tuners
• Works well with Switch on the Fly tuning

Get The Power You Need Without Overdoing It

Not every truck owner wants to push their rig to the limit, and that’s exactly where the Optimized Stock Tune with SPADE comes in. If you’re looking to clean up drivability, reduce smoke, and smooth out throttle response without adding big horsepower, this tune is a solid choice. It’s great for those new to tuning or anyone handing off their truck to someone else who just needs it to run well. You still get the benefits of emissions-intact tuning and full 50-state compliance, so there’s no worrying about inspections or long-term reliability. This is the kind of setup that makes your truck feel refined and consistent, especially if you’ve added a cold air intake or changed tire size. It’s also a smart backup option when using Switch on the Fly tuning. Whether you're running errands, commuting to work, or using the truck as a fleet vehicle, this tune keeps things simple and effective. It’s not about wild performance, it’s about giving your truck exactly what it needs to do its job right.

A Cleaner Calibrated Upgrade That Just Works

The Optimized Stock Tune makes subtle but meaningful changes to your factory calibration. It does not raise your truck’s peak power, but it does enhance how that power is delivered. Expect reduced soot production thanks to updated air-fuel ratio limits, which improves exhaust cleanliness and helps maintain emissions equipment. This tune is a great option for troubleshooting physical issues with the truck or testing drivability with minor performance upgrades. It’s also helpful for correcting tire size settings, eliminating TPMS issues, and pairing with Transmission Control Module tuning for better shift behavior. Like all DuramaxTuner.com calibrations, it’s built with over 100 adjustments from stock and is loaded onto your EFI Live SPADE AutoCal V3 device. This makes flashing, data logging, and diagnostics simple and repeatable. If you want a baseline tune that keeps everything emissions-legal and reliable, this is the one to trust.

Fitment: 2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Notes:

• No noticeable increase in peak power.
• Emissions equipment stays fully intact.
• Legal in all 50 states under CARB D-845.
• Ideal for stock or minimally modified trucks.
• Helpful for diagnosing mechanical problems.
• Perfect for cautious or first-time tuners.
• Commonly used when others drive your truck.
• Not intended for towing heavy loads.
• Reduces smoke with better air-fuel control.
• Works well with transmission tuning alone.
• Corrects TPMS with custom tire size setting.
• SPADE EFI Live AutoCal v3 is included.