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Chevy Forum: 4.8 or 5.3?????
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Old 04-16-2014, 06:04 AM
Mctwitch88 Mctwitch88 is offline
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Join Date: Apr 2014
Posts: 1
Unhappy 4.8 or 5.3?????

Ok somebody please help me out here. Just bought a 2006 5 speed v8 2wd and have no idea if it is the 4.8 or 5.3. Admittedly not the most savvy under the hood so bear with me here's a few things I know hopefully someone can help. If anyone needs further info let me know

5 speed
Aluminum heads marked 706
No sticker under the hood that says what engine it is

Currently no way to tear it apart and look at pistons
So if there's some "secret" identifying mark help me out.
Thanks guys

Last edited by Mctwitch88; 04-16-2014 at 07:31 AM. Reason: More info
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Old 04-16-2014, 09:04 AM
zora zora is offline
Join Date: Apr 2012
Posts: 3,571
Default Re: 4.8 or 5.3?????

Look at the 8th character in the VIN. P=5.3, V=4.8
Try this site for more information
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4.8, 5.3, chevy, heads, silverado

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