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2014 Chevy Silverado
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HO 5.3

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Old June 12th, 2007, 7:26 PM
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Default HO 5.3

Does anyone know the difference between the HO 5.3 and the regular 5.3? I have a 2006 which the VIN indicates it has the HO. Just wondering what to expect out of it.
Old June 12th, 2007, 7:39 PM
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Default RE: HO 5.3

Aluminum block and 310 Horsepower (15 more then the regular 5.3).
Old June 13th, 2007, 5:10 AM
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Default RE: HO 5.3

ORIGINAL: dcoperator

Does anyone know the difference between the HO 5.3 and the regular 5.3? I have a 2006 which the VIN indicates it has the HO. Just wondering what to expect out of it.
Guy ^^^^ has it right.

The 5.3L HO has the aluminum block rather than a cast one and the HP jumps to 310 from the standard 5.3L's 295. Torque(FTLBS) stays the same at 335. Offered from 2005 - 2007(Classic Models ). ONLY available in the Extended Cab, Standard Bed, 4WD models.

I had one. The extra HP was slightly noticeable over the base 5.3L during test drives.
Old May 27th, 2021, 6:15 PM
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Default

Originally Posted by NHSilverado
Guy ^^^^ has it right.

The 5.3L HO has the aluminum block rather than a cast one and the HP jumps to 310 from the standard 5.3L's 295. Torque(FTLBS) stays the same at 335. Offered from 2005 - 2007(Classic Models ). ONLY available in the Extended Cab, Standard Bed, 4WD models.

I had one. The extra HP was slightly noticeable over the base 5.3L during test drives.
no the l33 has a bit more torque then the regular 5.3
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