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Thread: Gears installed. What do I need to change? Also temps for fans

  1. #1
    Fuel Injected!
    Join Date
    Jun 2015
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    Gears installed. What do I need to change? Also temps for fans

    I finally got my 3.42's installed and now I need to adjust the speedo, OD engagement RPM, and maybe tinker with the shift points. Anything else y'all suggest?

    Also, I installed some 265w fans to keep the engine cool since the OEM fans were not up to the task. The t-stat in the car is a 160, and both fans running keep the car around 176-185. What should the turn off temps be and what should the MPH turn off speed be?
    Thanks

  2. #2
    Fuel Injected! MAC's Avatar
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    May 2016
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    Hey Dan, what part of ATL are you in? I am in Decatur.

    Not sure about the cars but they probably use the VSSB. Here is a thread with more info http://www.gearhead-efi.com/Fuel-Inj...highlight=vssb

    MAC

  3. #3
    Fuel Injected!
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    Hey Mac - I'm in Tucker and drive through Decatur every day. LOL!

    Thanks for the info on the VSSB. I was / am also wondering if things like shift-points, OD engagement, and anything else needs to be changed.

  4. #4
    Fuel Injected!
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    Quote Originally Posted by atlantadan View Post
    Thanks for the info on the VSSB. I was / am also wondering if things like shift-points, OD engagement, and anything else needs to be changed.
    Yes you should. After you adjust VSSB divider the MPH shift points would be off in PCM. All the shiftpoints are defined by MPH, not RPM so you'd have to multiply them by (old axle ratio)/(new axle ratio).

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