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  1. #1
    Join Date
    May 2015
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    19

    Default Car Falls off after 5-7 laps

    Can someone point me in the right direction ? Our car handles well , drives well and after 5-7 laps anything we gain we loose! 2016 Trackstar w super spec motor. 500Lf - Rf 200wbump225 LR/RR

  2. #2
    Join Date
    Jun 2007
    Posts
    3,123

    Default

    Quote Originally Posted by Bluwatr1 View Post
    Can someone point me in the right direction ? Our car handles well , drives well and after 5-7 laps anything we gain we loose! 2016 Trackstar w super spec motor. 500Lf - Rf 200wbump225 LR/RR
    Assuming the car is still handling pretty well, you're getting beat with tires. And I don't necessarily mean cheating tires.

  3. #3
    Join Date
    May 2015
    Posts
    19

    Default

    Thanks Matt49 this happens even w new tires ! Start of race, restarts its fast and we can make up ground then goes away.

  4. #4
    Join Date
    May 2007
    Location
    in a van down by the river
    Posts
    1,892

    Default

    Too soft of compound?
    I think there should be lifeguards in the genepool.

  5. #5
    Join Date
    Jul 2013
    Location
    Lost, but way ahead of schedule
    Posts
    1,514

    Default

    I have felt plagued by this same issue virtually as long as I have raced, and speaking only for myself, I'm convinced it's just that...me. I believe I get too settled in during a race and don't push it has hard as I can. I say that because often when challenged for position, I seem to find that little extra to either maintain or even advance.

    So in my case, probably the hardest thing to fix. I hope it's not the same for you, but as stated, an issue I'm convinced I have.

  6. #6
    Join Date
    May 2015
    Posts
    19

    Default

    Thanks for the responses! I guess it's time to tighten up the nutt between the steering wheel and the seat !!!

  7. #7
    Join Date
    May 2007
    Location
    tulsa america
    Posts
    2,686

    Default

    Some guys spin the tires or jam the brakes to get the car to turn from the drop of the green. Ive noticed after 6-7 laps usually they start to slow down. I run mods so our features are usually 20laps

  8. #8
    Join Date
    May 2009
    Posts
    1,336

    Default

    Some tires don't like abuse the first couple laps and will do that as well or the driver is masking a handling problem

  9. #9
    Join Date
    May 2015
    Posts
    19

    Default

    We run 1350-1600 tires. We have checked tire and they looked good no feathering, cupping or chunked up, luckily the driver is easy on tires and don't burn them up !!! Could 3-4 lbs of air pressure build up have anything to do with this?

  10. #10
    Join Date
    May 2009
    Posts
    1,336

    Default

    Go soft till he burns one up lol sometimes no wear is just as bad as too much. They might not be firing, groove sipe and buff them go more aggressive until you start to mess one up maybe hes good until theirs fire and his doesn't?

  11. #11
    Join Date
    May 2007
    Posts
    421

    Default

    Quote Originally Posted by Bluwatr1 View Post
    Can someone point me in the right direction ? Our car handles well , drives well and after 5-7 laps anything we gain we loose! 2016 Trackstar w super spec motor. 500Lf - Rf 200wbump225 LR/RR
    Is your car tight?

  12. #12
    Join Date
    Nov 2007
    Posts
    509

    Default

    Is both r/s tires building the same air pressure?

  13. #13
    Join Date
    May 2015
    Posts
    19

    Default

    Driver says it's tight in always has been. And No the right side tires build 11/2 on RF and the RR builds 3-4

  14. #14

    Default

    If it's always tight in, you have to slow down to turn it while everyone else is already back on the throttle, or you're sliding the car and then spinning the tires. Doesn't necessarily explain the fading, but is probably a huge factor in why you're not running the way you want.

  15. #15
    Join Date
    May 2007
    Location
    Kansas
    Posts
    1,940

    Default

    Fuel burn off, making the already entry tight car even tighter where it loses speed? E-85 or alky?

    Tires coming in where it makes the car even tighter thus loses speed?

  16. #16
    Join Date
    May 2015
    Posts
    19

    Default

    Quote Originally Posted by billetbirdcage View Post
    Fuel burn off, making the already entry tight car even tighter where it loses speed? E-85 or alky?Tires coming in where it makes the car even tighter thus loses speed?
    We run 112 gas now that's what motor was set up on when bought .

  17. #17
    Join Date
    May 2007
    Location
    Batavia, OH
    Posts
    13,639

    Default

    It isn't unusual for tight entry cars to be fast at first. They build RR heat faster than the other cars and start working quicker. Then, the RR overheats and they fall like a rock.
    Modern Day Wedge Racing
    Florence -2
    Atomic - 2

  18. #18
    Join Date
    May 2007
    Posts
    2,931

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    Tight entry, and 3 to 4 lbs build up on RR. I would say he is throttle steering the car on entry to much, and once that RR increases it begins to make the car loose off, added stagger, hotter tire etc. Throttle loose, more gas, more it comes around.

    Loosen entry, softer RR spring, more RR lower bar angle, more LR lower bar angle or LR spring stiffer, something along that line. He needs to be able to turn the car in and not have to throttle monkey it with the RR.

    Just say no...

  19. #19
    Join Date
    May 2007
    Posts
    421

    Default

    You've got a good car but you probably need to make some spring changes, not sure what shock package you are on but Jamie's is pretty good. Get that tight condition out of the car and you see some major changes through the race. Several other factors as well but like everyone here has said that tight car is gonna take off good and fall after a few laps.

  20. #20
    Join Date
    May 2015
    Posts
    19

    Default

    Thank you to everyone that has replied ! I have a direction to go in now !!!!

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