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Upgrading your engine's powerband is an exciting milestone, but a successful installation requires precision. When sourcing performance parts from specialists like Moe's Performance, cutting corners can lead to costly valvetrain failures. Ensuring a smooth installation means steering clear of a few frequent oversights during your 5.7 Hemi cam upgrade. Shop today.
Installing a high-lift 5.7 Hemi camshaft means your stock valvetrain components will no longer suffice. Moe's Performance designs high-performance grinds that push past factory lift limits, making a matching cam kit for the 5.7 Hemi absolutely mandatory. Reusing weak, factory valve springs will cause valve float or catastrophic piston-to-valve contact at high RPMs. Additionally, if you have a Variable Valve Timing (VVT) engine, forgetting a cam phaser limiter can cause your timing to advance too far, destroying your new valvetrain instantly.
Retaining the Multi-Displacement System (MDS) lifters with an aggressive aftermarket profile is a recipe for disaster. If you are pursuing a proper 5.7 Hemi camshaft upgrade, you should install non-MDS lifters alongside an MDS delete kit. Factory lifters are prone to failure under the increased stress and lift of performance grinds. Upgrading to hardened chromoly pushrods and premium lifters ensures your valvetrain stays quiet, reliable, and completely stable under load.
An upgraded engine requires completely updated computer parameters to idle properly and stay safe. Attempting to run a performance cam on a stock factory calibration will cause severe stalling, lean conditions, and poor drivability. You need custom tuning, such as a Hemifever calibration, to maximize the air-to-fuel ratios. Furthermore, for non-NSR (No Springs Required) aggressive tracks, ensure you pair the setup with a proper torque converter to prevent sluggish low-end response.
Achieving that perfect, deep idle chop requires patience and the correct parts sequence. Investing in a comprehensive kit prevents mechanical failure and unleashes the true horsepower potential of your vehicle. Treat your valvetrain to the matching components it deserves, and your truck will reward you for miles to come. Shop today.