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s54 vs s53

Discussion in 'Drivetrain' started by mephtar, Nov 21, 2008.

  1. mephtar

    mephtar Well-Known Member

    Has anyone done the swap still on the forums? will the basic clutch kit work with ether tranny?
     
  2. Mafix

    Mafix Owner Staff Member Administrator Donated!

    what cars and motors do those go to
     
  3. Celic_GT2

    Celic_GT2 Well-Known Member Moderator Donated!

    s-53 should be off a 89 gts w/ 3sge,
    s-54 should be off a 92 gts w/5sfe
     
  4. mephtar

    mephtar Well-Known Member

    s54 is out of the 6th gen with 5s-fe
     
  5. Mafix

    Mafix Owner Staff Member Administrator Donated!

    thank you i was having a brain fart
     
  6. mephtar

    mephtar Well-Known Member

    will that clutch and pressure plate will work with the s54?
     
  7. XR Pilot

    XR Pilot Well-Known Member

    S54 will bolt straight onto a 3SGE. I've done this swap twice now. Use your original clutch if you want, your cable speedo sender will bolt right in. Use the original ST162 drive shafts, engine mounts etc. Unbolt and transfer your original reverse light switch to the new gearbox.
     
  8. mephtar

    mephtar Well-Known Member

    nice, well the s54 is in my garage now. What RPM do you find yourself at in 5th @ 100km/h, 3000?

    What about starter motor? can you mount engine side and block the tranny side hole?
     
  9. XR Pilot

    XR Pilot Well-Known Member

    Using a gen 1 3SGE, you MUST use the original starter on the exhaust side, a gearbox side starter won't engage the teeth on the ring gear. From memory RPM @ 100km/h in 5th was around the 2800-3000 mark, around a 250rpm drop from standard IIRC but its been a long time since I've had a Celi on the road. This is with a 3.944 final drive, 4.176 final drive S54 gearboxes do exist ;)
     
  10. mephtar

    mephtar Well-Known Member

    did u have to block off the trans side hole?

    p.s. North American s54 had a 4.176 final drive, doing the math with a .82 5th gear and stock 4th gen tires thats 99km/h at 3000 rpm.

    Id love to know why my car at 3000 rpm is turning like 94 if it has 3.994 and .82 it should be doing like 105... speedo problem, tack problem :? ?
     
  11. Mafix

    Mafix Owner Staff Member Administrator Donated!

    tire size
     
  12. Celic_GT2

    Celic_GT2 Well-Known Member Moderator Donated!

  13. mephtar

    mephtar Well-Known Member

    tire sizes are very similar, (205/60/14) 601.6 mm diameter vs (205/55/15) 606.5 mm diameter





    s53 with 3.944 final drive with 205 60 14 tires. my rpm is like 3200 at 100 km, 3200 would calculate to 112km/h . 100 km/h @ 2852

    Gear Km/h per 1000 RPM Km/h @7500 RPM Km/h @3000 RPM
    --------------------------------------------------------
    1 ------8.75 ----------------- 66 ----------------- 26
    2 ------14.67-----------------110 ---------------- 44
    3 ------21.75---------------- 163 -----------------65
    4 ------27.97 ---------------- 210 ----------------84
    5 ------35.06-----------------263 ----------------105



    Gear Change RPM drop (change @7500) RPM drop (change @3000)
    -------------------------------------------------------------
    1 -> 2 -3025 (to 4475) -1210 (to 1790)
    2 -> 3 -2441 (to 5059) -977 (to 2023)
    3 -> 4 -1668 (to 5832) -667 (to 2333)
    4 -> 5 -1518 (to 5982) -607 (to 2393)
     

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