Reverse strut vs forward strut

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  • Blackmagic5
    Junior Member
    • Jul 2020
    • 6

    #1

    Reverse strut vs forward strut

    What are the leading pros and cons of forward strut and reverse strut front ends. Other than the obvious of more shock travel
  • grt74
    Senior Member
    • Jul 2009
    • 1380

    #2
    if all stays the same, ground clearance,

    Comment

    • billetbirdcage
      Senior Member
      • May 2007
      • 2019

      #3
      Theoretically the car doesn't know the difference on either if the rods are put in the right locations to be exactly the same. Now this isn't always possible due to oil pan clearance or a number of other reasons.

      That being said, I'm talking when the rods are located so they both produce the same caster gain/loss, anti-dive/pro-dive, or anything else so they are exactly the same

      Front strut

      Pro:

      1. More clearance on the RF tire to turn more right without contacting the strut rod or having to route it in a manner that weakens the lower arm

      2. Easier to install in the location wanted without things being in the way: dry sump lines, oil pan, steering shaft, etc

      Con:

      1. Will hit ground easier on RF

      Rear strut

      Pro:

      1. More RF ground clearance during roll

      Con:

      1. Usually a weaker lower arm due to strut has to S shape or be less back so RF tire won't hit when turning extreme right

      2. Pain in the arse to get in right position without having clearance issue

      3. Due to shorter distance back it adds stress to the frame mount and more likely to rip or bent in a wreck

      But as I said you can have them front or back and the car won't know the difference if done correctly besides the ground clearance differences, strength, clearance issues

      Comment

      • Higgy9991
        Member
        • May 2015
        • 66

        #4
        Sure seems to be the new trend across most of the chassis builders. Most use the the "s" shaped rear strut style arm as opposed to the straight strut similar to a conventional forward strut.

        Comment

        • MasterSbilt_Racer
          Senior Member
          • May 2007
          • 14303

          #5
          Originally posted by Higgy9991 View Post
          Sure seems to be the new trend across most of the chassis builders. Most use the the "s" shaped rear strut style arm as opposed to the straight strut similar to a conventional forward strut.
          XR1s work pretty well with a front strut.

          1) Something eventually touches the ground.
          2) You can make both ways work the same.
          3) Its probably better to make the strut in tension under braking, as opposed to compression.
          4) DLM is a monkey-see, monkey-do sport. A car wins with an STP sticker on it, they all have it next week.
          Modern Day Spec Wedge Racing

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