Escalade Gets 700 HP Upgrade: C7 Z06 Parts & Big Brakes for Wife's SUV

Escalade Performance Upgrade

• 🚀 The 2015 Cadillac Escalade ESV, with 115,000 miles, is upgraded from its previous supercharger setup to achieve significantly more power.
• 🛠️ The goal is to make the Escalade faster than a new Escalade V, utilizing parts from a C7 Z06 and a Magnuson 2650 supercharger.
• ⛽ Key fuel system upgrades include an LT4 high-pressure fuel pump and injectors from Xtreme-DI, and an SMG Speed auxiliary fuel pump system to support E85 fuel.

Engine and Fuel System Modifications

• ⚙️ The supercharger is removed to access and replace the fuel pump and injectors, with the new Xtreme-DI LT4 pump being a direct fit.
• 💡 The vehicle is being converted to run on E85, requiring the installation of a flex fuel sensor and calibration for the factory computer.
• 🔧 Injectors from Xtreme-DI, equivalent to 2000cc, are installed, along with meticulous cleaning of the injector ports.

Braking and Drivetrain Enhancements

• 🛑 Factory Brembo big brake options are retrofitted, painted red with Cadillac emblems, to significantly improve stopping power for towing and performance.
• 🔌 An auxiliary fuel system with a 2 PSI hob switch is installed to activate the higher output pump when boost is detected.
• 🔊 The vehicle receives a custom tune from Satera Tuning, aiming for around 600 horsepower at the wheels on E65 fuel.

Performance Testing and Results

• 📊 Dyno testing at Satara Tuning shows the Escalade making 592 horsepower and nearly 600 ft-lbs of torque with 7.1 lbs of boost on E65.
• 📈 The upgraded Escalade achieves 0-60 mph in 4.2 seconds, significantly faster than expected and approaching sports car performance.
• 🚗 The final setup is comfortable for daily driving and towing, with enhanced braking and a powerful, reliable engine.

Supporting Upgrades and Maintenance

• 🛠️ Spark plugs are replaced with two steps colder plugs, gapped to 0.027 inches, to reduce detonation risk.
• 🛡️ The frame and undercarriage are treated with Amsoil heavy duty metal protector for rust prevention.
• 🔧 An oil change is performed using Amsoil Signature Series 5W-30, and a stripped oil drain plug is repaired with a threaded insert.

Trailer Brake and Final Touches

• 🔗 A trailer brake controller kit is installed, allowing for enhanced towing capability and safety.
• ✨ Underhood plastics are detailed with Mudslinger for a show-quality appearance.
• 💨 The final tune is uploaded, and the engine starts successfully, with initial logs taken for further calibration.