Fluidampr GM/Chevy 6.6L L8T Crankshaft Damper - Engine Builder Magazine
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Fluidampr GM/Chevy 6.6L L8T Crankshaft Damper

Upgrading to a Fluidampr performance damper ensures long-term durability and optimum power by controlling crankshaft torsional vibration.

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Fluidampr’s GM/Chevy 6.6L L8T performance crankshaft damper (part# 760151) was originally developed for high-torque towing capacity in GM’s heavy-duty truck line. However, the robustness of the cast-iron block with nodular iron main caps and a forged steel crankshaft also promises great potential for engine swaps and crate engine programs.

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Upgrading to a Fluidampr performance damper ensures long-term durability and optimum power by controlling crankshaft torsional vibration. In addition, a custom mandrel to power racing parts, such as a dry-sump, can easily be installed by using the damper’s pre-drilled and tapped 3.2” bolt circle pattern.

Part number 760151 fits:
• 2019 – 2022 6.6L GMC Sierra 1500 and Chevy Silverado 1500 trucks
• 2020 – 2022 6.6L GMC Sierra 2500 / 3500 and Chevy Silverado 2500 / 3500 trucks
• 2021 – 2022 6.6L GMC Yukon and Yukon XL, Chevy Tahoe and Suburban, and Cadillac Escalade SUVs
• 2019 – 2022 6.6L GMC Savana and Chevy Express vans.
• 5.3L (L84) and 6.2L (L87) engine variations. $512 MSRP.

Benefits
• Crankshaft torsional vibration protection across rpm range.
• Reduce risk of crankshaft failure & wear on critical engine parts.
• Unleash lost torque and horsepower.
• Six 3/8-16 bolt holes on 3.2” pattern for custom mandrel and damper puller / installer tool.
• Removable air conditioning pulley.
• Replaceable crankshaft hub.

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The damper is finished in a corrosion resistant black zinc chromate, then laser engraved with a Fluidampr – Made in the USA logo and SFI 18.1 credential. The rear bolt-on aluminum air conditioning pulley is a hard coat anodized finish.

Fluidampr’s performance damper for the GM/Chevy 6.6L L8T engine is available through quality parts distributors and professional engine builders. for more info: https://www.fluidampr.com/

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