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    1. 02-18-2021 #1
      builttodrive's Avatar
      builttodrive
      builttodrive is offline Registered User
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      Rule of thumb for tire clearance from 4 link suspension bars?

      I am looking at some new wheels and tires for my car and wondering what is a good rule of thumb for rear tire clearance to run on a spirited driven car with 4 link rear suspension on 18 or 19" wheels.

      Thanks
      Greg
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    2. 02-18-2021 #2
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      andrewb70
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      Quote Originally Posted by builttodrive View Post
      I am looking at some new wheels and tires for my car and wondering what is a good rule of thumb for rear tire clearance to run on a spirited driven car with 4 link rear suspension on 18 or 19" wheels.

      Thanks
      Greg
      I'd want at least 1/2-3/4" between the tires and anything else...

      Andrew
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    3. 02-18-2021 #3
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      builttodrive
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      Quote Originally Posted by andrewb70 View Post
      I'd want at least 1/2-3/4" between the tires and anything else...

      Andrew
      Thanks Andrew, I kinda figure about that but wasn't sure how much movement there is in a 4 link setup and low profile tires. I have roughly 1 1/8" clearance from any suspension components now.
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    4. 02-24-2021 #4
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      Hotwire
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      On my factory triangulated 4 link w/ heim joint type bushings I have finger width clearance and haven't ever rubbed. And this car gets driven like it was stolen (Suches Loop, Tail of the Dragon, local SCCA autocross, country roads). Running 255/40/17 if it matters, I'm sure sidewall height/deflection/bushing type will play into how close you want to go.
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    5. 02-24-2021 #5
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      Rod
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      video showing how much tires deflect and this was only at 22 degree swings. -11 to +11.





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