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Thread: Ratios from 4l60e to 4l80e

  1. #11
    Join Date
    Jan 2008
    Location
    Wasilla, AK
    Posts
    704
    Could you tell us a little more about your setup? That would help alot.
    2001 ECSB 4x4, 5.3, Radix, 3.0 pulley, VHP Trucker cam, 216/224 .551/.551 115 lsa, 1.8 Crane roller rockers, 4L65E, Yank SC3000, 3.73, Cal-Tracs, HPTuners.

  2. #12
    Join Date
    Feb 2009
    Location
    mississippi
    Posts
    930
    yea we need to no everything
    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

  3. #13
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    I wouldn't change. Reason? The 60 has a too low 1st....too much drop 1-2. The 80 has the same 1-2-3 as the 400 (2.48, 1.48, 1.00)...closer ratio.

    BTW, there's magic there as the 350 is very close (2.52?, 1.52?, 1.00). The reason the 60 has such a low 1st is 'cause it was developed during the suckiest era of non-performance.

  4. #14
    Join Date
    Nov 2008
    Posts
    283
    lol well ok, 03 1500 z71, k&n CAI, flowmaster exhaust, bought the truck as is, 75k miles on clock, and i am running on 285/75r16 right now, the biggest tires i would go is 35 x 13.50, wish i could get a wider tire though. wanting to do gears, 4l80e swap with some LT headers and high flow cats and all 3in exhaust ran to the back with magnaflow.

  5. #15
    Join Date
    Aug 2008
    Location
    North Texas
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    12,078
    The question now is why the 80 swap?

  6. #16
    Join Date
    Nov 2008
    Posts
    283
    yea i can def. tell that there is to much of a drop in 1st gear, cause my truck has some good pull with the tires in 1st, then it switches to 2nd, and it is a slug.

  7. #17
    Join Date
    Nov 2008
    Posts
    283
    60e is going out and i am going to be towing alot, and going to put a FI 6.0, and i am not going to be changing trans every year

  8. #18
    Join Date
    Feb 2009
    Location
    mississippi
    Posts
    930
    he just wonts the 80 swap for strength not performance correct me if im wrong im just guessing but he just wonts it to last
    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

  9. #19
    Join Date
    Aug 2008
    Location
    North Texas
    Posts
    12,078
    His sig in no way suggested the need for an 80 for either reason...that's why I asked. The future mods might make it a need however.

  10. #20
    Join Date
    Feb 2009
    Location
    mississippi
    Posts
    930
    i dono if you drive a stocker hard enuf the lil 60 wont hold up
    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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