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Thread: 4.8 weak!

  1. #11
    Join Date
    Sep 2008
    Location
    Arizona/Utah
    Posts
    3,939
    Well hell then turbo that sob! Swap to a 5.3 add a boost cam with the supporting mods, some 243 heads, a stage 3 trick turbo kit, 72lbs injectors, a1000 fuel pump, a good live tune and let her rip!!! Plenty 10/11 second trucks out there now with basically that build.
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  2. #12
    Join Date
    Oct 2012
    Posts
    6
    Find a 5.3 cank and rods and put new bearings in and you will have a high output 5.3 10.1 compression then your cam will work better.

  3. #13
    Join Date
    Jan 2012
    Location
    DFW, TEXAS
    Posts
    594
    Quote Originally Posted by okieraptor View Post
    Find a 5.3 cank and rods and put new bearings in and you will have a high output 5.3 10.1 compression then your cam will work better.
    thats alot of work for small gains

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