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Thread: silverado 4.8L what do i need for a cam swap?

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  1. #1
    Join Date
    May 2008
    Location
    Crossett,Ar
    Posts
    2,382
    Quote Originally Posted by msndvl23 View Post
    Quick question, i have a 2008 silverado LS 4.8L, just got the truck back from the dealer said the Camshaft and lifter need to be replaced to due cylinder 7 misfire, said all the ignition coils and other things like cylinder compression were all good they lifted the valve cover and noticed a collapsed lifter if that makes any sense, anyway i usually like to work on my own stuff is this something of a fix that you would recommend a intermediate mechanic to try himself?
    If you are a decent mechanic that isnt too hard of a fix. And would give you a chance to do a good bit of upgrades if you were willing. A cam kit from thunder racing or tsp... Which would come with new springs, new pushrods, cam, and a crank bolt. Pull the heads. IF you had the money you could get them cleaned up with some pnp. While they are out replace all the lifters with the ls7 replacements. With heads out of the truck it will also be far easier to put the aftermarket springs on. Throw in your new cam. Put some arp head bolts on for good measure and done....
    To the OP that is a good cam in the 4.8. Id couple it with a 3600 stall. Good bolt on and gears. Set up should be good for 13s.

    06 Intimidator SS- Tuned, CAI -DD
    03 Silverado- Last incarnation 13.6... RIP
    Ls1, Pnp heads, Polluter camshaft, spray, 4k stall on the way
    "Seize the day like you seize your noodle" - Shin Chan

  2. #2
    Join Date
    Mar 2011
    Posts
    2
    thanks for the advice, what does "OP" stand for and what do you mean by " couple it with a 3600 stall. Good bolt on and gears. Set up should be good for 13s" and ive been reading that after you swap out the cam you need to get it tuned?

  3. #3
    Join Date
    Dec 2008
    Location
    Sherman, Texas
    Posts
    183
    OP=original poster and he means build a setup simular to mine Tr220 cam, 3600 stall, cold air, headers, gears just your basic bolt ons I run 13.8s with a tune that shifts too early. But yes you will need to get it tuned for it to run right
    Last edited by Razgriz1; 03-04-2011 at 01:53 AM.

    02 Fully forged Iron Ls1 233/239 595/603 112lsa,
    milled, ported& polished heads,
    K&N CAI, shorty headers,
    off road x-pipe, Pypes M-80s dumped,
    TCI 3600 stall ,TransGo shift kit,
    True Trac w/3:73s, 4/6 drop,
    and a Fast LSXRT 102

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