06 GMC?????

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03-21-2006, 12:17 AM

SSBob

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Join Date: Jan 2006

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Posts: 6

06 GMC?????

Hi all,I just bought a 06 GMC with the 5.3 vortec what is the size 305,350 or what,and what is the HP,thanks Bob

03-24-2006, 03:06 PM

partsguy

Join Date: Sep 2005

Posts: 25

RE: 06 GMC?????

its about 327 cid give or take a couple inches

03-26-2006, 01:58 PM

devbrollin

Join Date: Mar 2006

Posts: 1

RE: 06 GMC?????

I've gopt the 5.3 in my 2000 I believe it actually breaks down to a 323 or basically a 327.

03-27-2006, 05:39 PM

partsguy

Join Date: Sep 2005

Posts: 25

RE: 06 GMC?????

finally found my chart it is for sure 325 cubic inch

03-27-2006, 05:46 PM

partsguy

Join Date: Sep 2005

Posts: 25

RE: 06 GMC?????

factory ratings are 295 horse and 335 ft\lbs of torque in all reality you lose about 10% in the drive line

10-21-2006, 08:23 PM

TAT MAN

Join Date: Oct 2006

Posts: 6

RE: 06 GMC?????

On my window tag, 06 5.3 it advertised 310 hp.

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