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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🚀 Elevate your GM truck’s heart with the BTR Truck Norris Cam – power that commands the road!

UNMATCHED POWER CURVE - Engineered with 212° duration and .550" lift for peak torque across all RPMs
PRECISION FIT FOR GM LS ENGINES - Specifically designed for 1999-2013 Gen3/4 LS truck engines, ensuring seamless installation
PROVEN TRACK TESTED PERFORMANCE - Developed through hundreds of hours of dyno testing and spin-rod sessions for reliable gains
UPGRADE READY FOR VVT 1 VOLT ENGINES - Supports VVT removal and 3-volt conversion kits for versatile engine setups
AGGRESSIVE IDLE WITH STOCK COMPATIBILITY - Delivers a bold idle sound while maintaining compatibility with stock torque converters

The BTR Truck Norris Cam Shaft Kit is a high-performance camshaft designed for 1999-2013 GM Gen3/4 LS truck engines (4.8L to 6.2L). Featuring a 212° duration, .550" lift, and a 107 LSA, it delivers enhanced power and torque across the RPM range. Developed through extensive dyno testing, it offers an aggressive idle and works well with stock torque converters. Compatible with VVT removal and 3-volt conversion kits, this camshaft is a proven upgrade for serious truck enthusiasts seeking reliable, track-inspired performance.

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Manufacturer	Brian Tooley Racing BTR
Brand	Dynosty
Model	TRUCKNORRIS
Package Dimensions	58.67 x 16 x 12.19 cm; 7.46 kg
Item model number	TRUCKNORRIS
Item Weight	7.46 Kilograms

BTR Truck Noris Cam Shaft Kit with Spring Seal and Push Rod Gen 3/4 LS 4.8 5.3 5.7 6.0 6.2 LS1 Vortec

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