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T18 3 or 4 speed

Discussion in 'CJ' started by 2hi2try, Jan 21, 2021.

  1. Jan 21, 2021 at 8:39 PM
    #1
    2hi2try

    #1
    2hi2try [OP] New Member

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    First Name:
    Hohenberger
    Vehicle:
    Sick ass jeep
    360 amc w/ idlebrock manifold and carburetor solid lifters cam electric fan aluminum radiator Mallory dual point distributor fiberglass body 35" tires aluminum bumpers
    I have a cj5 w/ 360 amc. I want to know which is a better t18 transmission? 3 speed or 4 speed?
     
    2hi2try, Jan 21, 2021
    #1
  2. Jan 23, 2021 at 4:38 PM
    #2
    cj5fanatic

    #2
    cj5fanatic New Member

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    Dale
    Lynnwood, WA
    Vehicle:
    67 CJ5
    77-1/2 231 odd-fire V6 w/Offenhauser intake & Holley 300 CFM, 64 Buick Special drivers side manifold, 225 V6 passenger side manifold, 3-row radiator w/electric fan, hydraulic clutch, Saginaw 2.5:1 4-speed using Advance Adapter to Spicer 18 w/Tera-low 3.1:1, OD, Koenig PTO, Ramsey PTO winch, 4.56 Diffs, Offset flanged Dana 44 rear w/Detroit Locker, disk brake Dana 30 front w/Detroit True-Trak, 73 tub, full cage, front & rear gas tanks, fiberglass tilt nose, 74 Cherokee tilt column and Saginaw power steering, Rancho Freedom Rider 2-1/2" lift, Rancho 9000 shocks, 11.50x32 BFG Mud Terrains, 15x8 black dish wheels
    The T18 is a large heavy truck 4-speed, typically with a granny low 1st gear, about 6 or 7 to 1. Can't remember exact ratio. If you plan to rock crawl, the T18 is great. Just avoid the T18 that was used in a Jeeps for a few years with only a 4:1 first gear. That is not low enough for rock crawling. The T150 that came with the AMC 304 has a pathetically high first gear. The SM465 is another popular granny low truck 4-speed.
     
    cj5fanatic, Jan 23, 2021
    #2
  3. Jan 23, 2021 at 5:24 PM
    #3
    2hi2try

    #3
    2hi2try [OP] New Member

    Joined:
    Jan 21, 2021
    Member:
    #5390
    Messages:
    3
    Gender:
    Male
    First Name:
    Hohenberger
    Vehicle:
    Sick ass jeep
    360 amc w/ idlebrock manifold and carburetor solid lifters cam electric fan aluminum radiator Mallory dual point distributor fiberglass body 35" tires aluminum bumpers
    Its 6.32:1 I have the 3 speed but the 1st gear needs to be replaced it has teeth missing. I don't know how to post a picture of it from my phone. It asks for a url .received_297887621476137.jpg
     
    2hi2try, Jan 23, 2021
    #3
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