Author Topic: IRS gear ratios  (Read 845 times)

Julian

  • Hurricane fan
  • *
  • Posts: 12
    • View Profile
    • Email
IRS gear ratios
« on: April 22, 2019, 08:41:59 AM »
What gear ratio options are there?

Greg K

  • Hurricane Owner
  • *
  • Posts: 245
    • View Profile
    • Email
Re: IRS gear ratios
« Reply #1 on: April 22, 2019, 08:58:54 AM »
3.31:1, 3.55:1, and 3.73:1

I believe there is also a 4.09 available.

Julian

  • Hurricane fan
  • *
  • Posts: 12
    • View Profile
    • Email
Re: IRS gear ratios
« Reply #2 on: April 22, 2019, 03:34:48 PM »
Thank you!

With traction lok?

Greg K

  • Hurricane Owner
  • *
  • Posts: 245
    • View Profile
    • Email
Re: IRS gear ratios
« Reply #3 on: April 22, 2019, 08:17:57 PM »
or a torsen on the 3.73.
Gear sets are similar but also different from a standard 8.8

Paul Proefrock

  • Administrator
  • *
  • Posts: 857
  • HM2023, Builder of HM1078
    • View Profile
    • 65SHLB Build Info
    • Email
Re: IRS gear ratios
« Reply #4 on: April 23, 2019, 07:27:47 PM »
All the S550 differentials come with some form of Trac-Lok. The 3.73 version is Torsen. Others are Ford design limited slip (Clutch type)

Paul
https://65shlb.com   Documentation of a period correct build
https://prdcrrct.com  Affordable period correct components

Julian

  • Hurricane fan
  • *
  • Posts: 12
    • View Profile
    • Email
Re: IRS gear ratios
« Reply #5 on: April 28, 2019, 08:03:26 AM »
Thanks guys for the information.