What tune for a 2005 Tahoe 4.8??

Best thing is get it dyno tuned

In my 05 5.3 do i have vvt and will it need 1 bolt or 3 bolt conversion? Does it chop sf idle? Do i need stall?!

Mine went into an 06 5.3l and it was the 3 bolt. The 1 bolt is much older I believe. No vvt on the 5.3l ls motors until maybe 07 and newer where they shut down Cylinders to save gas.

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⚡ Unleash the Beast: Turn your LS truck into a torque monster with Truck Norris!

POWER PACKED PRECISION - Engineered with 212° duration and 107 LSA for a torque surge that dominates every RPM.
COMPLETE INSTALLATION KIT - Includes springs, seals, and pushrods for a seamless upgrade—no extra trips to the parts store.
PROVEN DYNO TESTED DESIGN - Hundreds of hours of in-house testing guarantee reliable power boosts and enhanced throttle response.
AGGRESSIVE LIFT SMOOTH IDLE - High .552" lift delivers fierce power without sacrificing daily drivability or idle quality.
TAILORED FOR GEN 3 4 LS ENGINES - Perfect fit for 4.8 to 6.2L LS truck engines, ensuring plug-and-play performance gains.

The BTR Truck Norris Camshaft Kit is a precision-engineered upgrade for 1999-2013 GM Gen 3/4 LS truck engines (4.8L to 6.2L). Featuring a 212° duration, .552" lift, and a 3-bolt pattern, this kit includes all necessary springs, seals, and pushrods for a complete installation. Designed through extensive dyno testing, it delivers increased power and torque across the RPM range while maintaining a manageable idle, making it the ultimate performance camshaft for serious truck enthusiasts.

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Excellent communication throughout the order process. Product is perfect.

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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Manufacturer	Brian Tooley Racing BTR
Brand	BTR Brian Tooley Racing
Model	TRUCKNORRIS
Item Weight	16.42 pounds
Package Dimensions	23.1 x 6.3 x 4.8 inches
Item model number	TRUCKNORRIS
Manufacturer Part Number	TCKNORRIS SP011-16 VSLSHat OE7400-16

BTR Truck Norris Camshaft Kit with Springs Seals and Pushrods for Gen 3/4 LS 4.8 5.3 5.7 6.0 6.2 LS1 Vortec

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