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Thread: 4l60e vs. 4l80e

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  1. #1
    Join Date
    Nov 2004
    Posts
    4
    Lets say that you had a 4x4 1/2 ton truck with a 4l60e trans, then did a 4l80e swap what would be the loss in rwhp. I am sure someone has dynoed there truck with this setup.

  2. #2
    Join Date
    Feb 2007
    Location
    Spring, Texas
    Posts
    1,739
    Quote Originally Posted by 2500HD View Post
    Lets say that you had a 4x4 1/2 ton truck with a 4l60e trans, then did a 4l80e swap what would be the loss in rwhp. I am sure someone has dynoed there truck with this setup.
    Some have claimed as much as 30-40 rwhp but it also can withstand 200-300 hp more than a built 60e.

    2004 Silverado Crew Cab, forged iron 5.7, STS w/MP turbo, 10+ psi, FMIC, Tial 50mm BOV, Vic Jr, Snow performance meth, MTI Stealth cam .220/.220 .581/.581 115lsa, Comp chromoly pushrods, Yank TT3000 stall, LS1 Efans, 160 tstat, Trucool 40k trans cooler, 60# injectors, Walbro fuel pump, Patriot springs, Built 4l65E w/billet input & output shafts, Eaton posi, SD tuned...all installed by Klein North Automotive

  3. #3
    Join Date
    Feb 2009
    Location
    mississippi
    Posts
    930
    Quote Originally Posted by ramair2002 View Post
    Some have claimed as much as 30-40 rwhp but it also can withstand 200-300 hp more than a built 60e.
    04 1500 5.3L custom hp tuners tune by myself don have a pic of it yet so hear is my old 01 chevy 5.3 460hp 13.669 @ 116

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