gear ratio

Discussion in '40- & 55-Series Tech' started by tennfj40, Dec 26, 2002.

  1. tennfj40

    tennfj40

    Messages:
    28
    Likes Received:
    0
    Joined:
    Apr 29, 2002
    well one more question, while doing a little research, I have realized that my gear ratios with my 4speed and 4speed transfrer case suck, so I am looking into options to lower them, I see that advanced adapters makes a crawler box that makes your setup 5 inches longer, what over options are out there, can I put a sm420 to a 2f and still use my factiory tc, please help, I need to go slower!lol
     
  2. Gumby

    Gumby Supamod Staff Member s-Moderator

    Messages:
    12,195
    Likes Received:
    649
    Joined:
    Dec 13, 2002
    Location:
    Knee deep in hookers and gin
    You can put 3-speed gears in your x-fer, you can install a SM420, Sm465, NV4500, etc. between your 2f and stock x-fer, you can install a Malrin toy box, you can install an underdrive like a Ranger or Fairey, you can install bigger gears in your diffs, you can double up your x-fer, i've even heard of doubling up trannies. :D
    You got tons of options, I'm sure I missed a few.
     
  3. ledge

    ledge

    Messages:
    38
    Likes Received:
    0
    Joined:
    Nov 17, 2002
    The issue of Trails that is currently online(I would place a link if I new how) has an article on a double Tcase. 77FJ40 4spd + NP203. Since I did not add a link you can get it by going to the TLCA website, going to the trails link, articles link, and then the double tcase link. I hope that is useful in some way.
    Hey Gumby 2 questions. 1)did someone actually fit a double tranny in a 40 or was it a bigger vehicle? 2)is there anything that you dont know about cruisers? (there isnt a bow down in homage to the master face, but if there was insert here) :)
     
  4. Gumby

    Gumby Supamod Staff Member s-Moderator

    Messages:
    12,195
    Likes Received:
    649
    Joined:
    Dec 13, 2002
    Location:
    Knee deep in hookers and gin
    the guy that I saw that doubled up his trannies did it with two older toy truck transes in a CJ-2 or -3 behind a 22R and I want to say toy axles.
    first/first/low was stupid low, like 1000:1 :eek:
    reverse/reverse/low was even lower and made the truck go forward. Apparently two wrongs do make a right. or three lefts make a right. Something like that.

    As far as Cruiser knowledge goes <ALex Karras voice> "Mongo just pawn in game of life" I get most of my info from other folks. IH8mud tech forum, TT, LCML archives, 80 list tech pages and the POR board. Sometimes it sticks, most times I have to go look it up.
     
  5. phlyfish

    phlyfish

    Messages:
    246
    Likes Received:
    1
    Joined:
    Mar 1, 2002
    Location:
    Boise ID
    My money is going into a SM420 swap. With my stock 3 spd x-fer and the 420, and staying with the 4.11 I will end up about 67:1. After saving the $ I will want to put in the AA box and it will put me in the 217:1 range. I found a 420 out of a 2x 53 chevy PU and best of all it's free.
     
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.