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Technical Discussions

Got a question about the rules? Your car? Penalties? Safety gear? Theme or engineering?

3,767 topics in this forum

  1. What Tire Size Does Your Team Run?

    By E. Tyler Pedersen,   
    • 43 replies
    • 1,338 views

  2. ChampCar Endurance Series BCCR updated to 2018 V1.0.3

    By Bill Strong,
    • 0 replies
    • 574 views

  3. SFI Updates and Recalls

    By Bill Strong,   
    • 1 reply
    • 1,357 views

  4. Important thoughts on safety (how to avoid actually testing your firesuit)

    By Racer28173,   
    • 7 replies
    • 2,072 views

  5. ABR Tire Pricing Tool (UPDATED)

    By ABR-Glen,   
    • 112 replies
    • 20,866 views

  6. 88 325e swap question

    By Team Infiniti,
    • 20 replies
    • 159 views

  7. New fender ruling from TAC section

    By chip,
    • 150 replies
    • 3,623 views

  8. Last piece of the 2019 Rules Puzzle

    By Gearhead_42,
    • 32 replies
    • 1,106 views

  9. FWD wheel and tire dimensions

    By karman1970,
    • 10 replies
    • 192 views

  10. Race Radios!!! Help!

    By StuPDazzo,   
    • 21 replies
    • 386 views

  11. Avoid dirt into oil gallery at machine shop

    By turbogrill,
    • 2 replies
    • 99 views

  12. What happened to your ChampCar today? 2018 Version

    By Bill Strong,
    • 1,200 replies
    • 38,817 views

  13. Would you Run these wheels? Also: Whats faster AERO or wider tires?

    By wvumtnbkr,
    • 30 replies
    • 748 views

  14. Atl fuel cell install question.

    By Indysupra,
    • 3 replies
    • 131 views

  15. Thermostat

    By SiberianDVM,
    • 28 replies
    • 1,581 views

  16. Fire Suppression, what ya got

    By Gkuhn41,
    • 62 replies
    • 1,145 views

  17. 0 Point Aero Workaround

    By Racer7x,
    • 121 replies
    • 3,532 views

  18. 2019 VPI Early visibility?

    By Gearhead_42,
    • 25 replies
    • 1,065 views

  19. Crankcase evac system

    By TiredBirds,
    • 45 replies
    • 764 views

  20. Dry Break Fuel Vent Product

    By dvot,
    • 5 replies
    • 268 views

  21. Most comfortable seat for racing?

    By wvumtnbkr,
    • 20 replies
    • 418 views

  22. 2x rule and brake calipers.

    By Indysupra,
    • 27 replies
    • 476 views

  23. E85

    By ironworks,
    • 5 replies
    • 146 views

  24. Machine Shops in the Richmond, VA area

    By Hugh Jass,
    • 3 replies
    • 139 views

  25. What fuel pump?

    By wvumtnbkr,
    • 47 replies
    • 847 views
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