Conversion Process for LS7 to LS2/LS3 Dry Sump Systems

Introduction: This is an overview of how we convert your LS7 factory “dry sump” motor to utilize an LS1/LS2/LS3 compatible pump drive and dry sump system. This conversion is required for those looking to install our LS production-based and race dry sump systems. Below, you’ll find a detailed list of all the parts that are required, which will also provide in our LS7 dry sump kit.

LS1/LS2/LS3 Front Cover Parts: To start your conversion, the front cover of your engine will need to be replaced. This is a complete list of parts and associated options that are required for this step:

• GM – 12633906 Complete Front Cover: A vital component for the conversion, ensuring a perfect fit and optimal performance. View Product
• Additional Related Components: Including front cover seal (GM – 12585673), front cover gasket (GM – 12633904), and necessary sensors and bolts for a complete setup.

ATI Dampers: A crucial part of any high-performance engine, ATI dampers ensure reduced engine vibration and increased engine life:

• ATI 917289 Y-Body Corvette (10% underdrive): Ideal for those seeking enhanced performance.
• Other Options: Including various models for Y-Body Corvette and F-Body Camaro, catering to different performance needs.

ATI Spacer: Given the LS7’s longer crank snout, a specially designed spacer is required:

• ATI 916322S: This spacer allows the crank bolt to properly clamp down on the ATI damper. View Product

Wet Sump Timing Chain Set: You will need the LS style timing chain set which is referred to for a wet sump OEM application, that uses the OEM timing chain sets:

• Components: Including OEM cam sprocket (Part Number 12586481), crank sprocket (Part Number 12556582), and timing chain (Part Number 12586482).

Wet Sump Oil Pan Gasket: To complete your conversion, a good oil pan gasket is essential:

• GM – 12612350 Oil Pan Gasket: Ensures a leak-free seal for your new wet sump system. View Product

The LS7 to LS1/LS2/LS3 Wet Sump Front Cover Conversion Parts Guide is designed to make your LS7 transition to the LS dry sump system very simple. With the aforementioned GM parts and detailed guide ordered as part of our LS7 dry sump kit, you can confidently undertake this conversion, knowing you have the best components for the job.