5.3
2006 SilveradoLittle Black Bitch
Yup, its a 5.3L. Lucky you - the 5.3L has a WAY better torque band than the 4.8L. CHARGE IT !!!
~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~
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