LB7/ LLY Single Tune (2001-2005) -EFI

Flash using your EFI Live Flash Scan or AutoCal device

You will need an EFI License that you can buy from us

Please see EFI Live's help guide if tuning an LB7 or LLY

https://service.efilive.com/kb/articles/lb7-lly-tips-and-tricks

Choose either:

Heavy Tow Tune

• For towing from 8,000lbs up to Gross Vehicle Weight Rating
• Wider torque curve assists heavy loads
• Smooth and even power delivery
• Improves fuel efficiency
• Exhaust temperatures drop up to 100F under full load
• These tunes produce less smoke
• More consistent power delivery
• Easy installation instructions

Light Tow Tune

• For those towing below 8,000lbs
• Perfect balance of sport driving & functionality
• Designed for weekend tower, boats, small tractors, etc
• Unhook and enjoy a sportier drive
• Exhaust temperatures drop up to 100F under full load
• This Light Tow tune has lower smoke
• Consistent Power Delivery
• More Reliability
• Easy installation instructions

Sport Economy Tune

• Fun "unloaded" daily driving
• For driving around town, highways
• Impress your friends
• Put a smile on your face
• These tunes produce less smoke
• More consistent power delivery
• Easy installation instructions

Race Tune

• Maxes out the factory fuel system
• Recommend transmission tune to avoid premature wear
• If you drive responsibly, can use Performance as you would Sport Economy
• These tunes produce less smoke
• More consistent power delivery
• Easy installation instructions

Recommended Option

Transmission Tuning

• Increased transmission line pressure for holding more HP and torque
• Revised shift schedule to improve drive-ability
• Keeps the truck on top of the turbo
• Improved shift timing
• Re-designed torque converter lock-up strategy
• Allows power transfer from the engine to the wheels more directly