4 link

Discussion in 'PSI Superchargers Tech Questions' started by jrracing, Jun 28, 2017.

  1. jrracing

    jrracing Member

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    4 link question, wondering what the difference in a short bar location compared to long bar? Pro mod car with blown deal on a track thats not pdra prep 2600# would you lean towards a longer bar? Thanks
     
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  2. Aussiebattlr

    Aussiebattlr Member

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    In oz with a 2700lbs D rotor pro mod, on tracks around 250-350 on the track metre - and we run the bar around 57- 63 " depending on the tracks.. 57 on tight tracks and 63 on looser tracks.. Depends on gearing and weight dist. crank centreline and engine setback as well..
     
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  3. turbo69camaro

    turbo69camaro Member

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    I look at bottom bar angle as well
     
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  4. 57Chev

    57Chev Member

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    What kind of bottom bar angle are you looking for?

    Thanks
     
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