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Thread: is a 4.8 worth building

  1. #11
    Join Date
    Dec 2003
    Location
    Azle,TX
    Posts
    3,682
    Hell yeah..Gators truck is a 4.8 and my wifes truck is a 4.8 and they run like a banshee!
    Vortec Performance Tuned
    LQ9 built 4L60 LTs and a billion miles on the speedo!

  2. #12
    Quote Originally Posted by GenIII_4Ever View Post
    whipple
    I own a whipple and I wasted 5000 dollars on it. TOO much heat and it and wayyyy to expensive to to cool it off. The radix installs in a few hours. The whipple a lot longer. If I had it to do over. I would go for the Radiz as my first choice and 2nd choice would be a front mount turbo.
    Intercolling is a must and I mean water to air or air to air. If no intercooler leave it on the shelf.
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  3. #13
    Join Date
    Nov 2007
    Location
    Bakersville, NC
    Posts
    608
    yea i was thinking about patriot ls6 heads w/ 59 cc combustion chambers, a ls6 cam, a few other bolt ons, including headers and maybe a ls6 intake.
    David,
    2003 GMC Sierra Denali, LQ4, AWD, AWS, 4.10, Wheatley 93 tune, LT headers, GMPP CAI, BBK 80mm TB, MSD wires, E3 plugs, 160* T-stat, Flowmonster DI/DO, cutouts. Working on 4.8 heads, just purchased Comp 228R cam, 918 Springs, TI retainers, 7.4 hardend pushrods,

  4. #14
    ff_jeff Guest
    I am keepin the 4.8 in my truck. whenI build the reg cab up Ill probably get a 6.0 or a ls2. 4.8 has 285hp/ 295tq 6.0 has like 365hp stock. Like the old saying '' there is no replacement for displacement. ''

  5. #15
    HotRodV6 Guest
    the 4.8 can make just as much HP as a 5.3, it will just be down on TQ, and you can fix that with some gear and converter.

    If you wanting to do a full rebuild on the engine, id start with atleast a 6.0L, they are fairly cheap and plentiful, but if you just want some bolt ons and cam and head type deal, then the 4.8 can get the job done, its been proven time and time again.

    best thing to do is figure out what your ultimate goals are for the truck, and then make a decision on the engine.

  6. #16
    Join Date
    Jul 2007
    Location
    Colleyville, Tx
    Posts
    734
    Ditto,

    Like everyone says... if your thinking about possibly going to a 6.0L eventually stick with basic bolt ons and a decent cam for your 4.8L.. that way if you do get a 6 liter you can bolt every bolt on mod on over that you've gotten for your little 4.8

  7. #17
    I am waiting on the dot in between my 4 and 8 to grow into a 0.
    Barney- 89 S-10 Blazer, 355 11:1 small solid roller and a lil' gas.
    http://youtube.com/watch?v=DdxAzQjNuGU

    96 Formula- Just some bolt on suspension stuff...LT1 350 a4

    06 GMC PU........4.8 and stcok....may get a few things thrown at it.

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