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Thread: 4.8L/5.3L block

  1. #1
    Join Date
    Jul 2008
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    The Garage
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    1,330

    4.8L/5.3L block

    How many cubic inches can I obtain with the 4.8L/5.3L block? I've heard of people taking these blocks all the way up to a 383, but how reliable is that build? I only ask because I am having a lot of trouble locating a 6.0L block here in Florida. I've been away from the forums for a few years now, so I am a bit out dated, hence my asking what could be stupid questions.

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  2. #2
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    3,581
    382 is where many stop at

    Summit sells a block already prepped for 370 or _408
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

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