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Thread: Guess the spring rates of Racecar.

  1. #1
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    Guess the spring rates of Racecar.

    Guess the spring rates of this successful SCCA GTS race car.... Coilover fronts. standard rear. Midwest SCCA road racing.


    Last edited by b-rock; 05-29-2014 at 02:21 PM.
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  2. #2
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    It's improved touring, they only have a limited amount of modifications allowed. So it's not going to be that aggressive. Guess the spring rates? TRD themselves recommends an 8KG front spring but presumably (from your other thread) these would be a lower spring rate.

    5 and 3? I don't know who cares? This is a lower class ae86. Let's discuss Taka Aono, Scott Webb, and any other guy who has won a championship with 86. They run koni race with a high spring rate.

    *Edit AFAIK you can't run camber plates, RCA's or anything else in ITA class either. The way they've changed the class since 2008 has basically made it impossible for ae86 to win. Ford focus for example is way faster.

  3. #3
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    6k front 4k rear?
    80's steeeeez/ High Rolla Motorsports
    1981 TE72 Ministock(the monty-rolla, Built 3tc, big cam, custom suspension ), 1982 TE72 2 door(11:1 3tc, shadbolt cam, fully balanced), 86 300zx Turbo

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    I has legal camber plates. SCCA ITB

    ...and since Dug has taken the fun out of it, I'll just spill the beans now and never mention spring rates here again. I'd like to see Taka Aono beat this car around Road America with the same hp.

    5.4/3.1 (300/175lb) Never mind that the guy tried lots of different setups over the years.
    Last edited by b-rock; 05-29-2014 at 02:28 PM.
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  5. #5
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    What else is done to the car?

    <--- Super interested!!
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  6. #6
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    Yes this hardly seems relevant to anything.

    At some point you got to stop second guessing 100% know corolla formulas. Some poor noob is going to search this stuff up and get the wrong info.
    BCWORKS

  7. #7
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    Quote Originally Posted by Warren View Post
    Yes this hardly seems relevant to anything.

    At some point you got to stop second guessing 100% know corolla formulas. Some poor noob is going to search this stuff up and get the wrong info.
    Hilarious. The guy races the car successfully for years and settles on the best setup for SCCA road racing.... Somehow some drifters know better.
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    True I'm stupid. No one on here knows how to make fast corollas.

    When Derek went from 6/4 to 8/6 on his autoX car and got better times is probably untrue.
    BCWORKS

  9. #9
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    Gasp! couldnt have warren. Brock says so and he found this car to prove us dumb drifters wrong!
    1987 Corolla GTS Hatch | 1985 Corolla GTS Coupe | 1987 Corolla GTS Coupe | 1992 Tercel CE | 1992 Paseo | 2003 Corolla CE | 1974 Corolla 4 Door | 1978 Corolla Coupe | 1979 Corolla Hatch SR5 | <3||||||1990 Miata |||||| <3
    I like Toyota's wanna fight about it?

  10. #10
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    Hyuck!
    1987 Corolla GTS Hatch | 1985 Corolla GTS Coupe | 1987 Corolla GTS Coupe | 1992 Tercel CE | 1992 Paseo | 2003 Corolla CE | 1974 Corolla 4 Door | 1978 Corolla Coupe | 1979 Corolla Hatch SR5 | <3||||||1990 Miata |||||| <3
    I like Toyota's wanna fight about it?

  11. #11
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    Also Derek is a drifter so he's dumb too!
    1987 Corolla GTS Hatch | 1985 Corolla GTS Coupe | 1987 Corolla GTS Coupe | 1992 Tercel CE | 1992 Paseo | 2003 Corolla CE | 1974 Corolla 4 Door | 1978 Corolla Coupe | 1979 Corolla Hatch SR5 | <3||||||1990 Miata |||||| <3
    I like Toyota's wanna fight about it?

  12. #12
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    C'mon you guys.... This is crazy. This post wasn't to pick a fight. It's real information about a successful road racing Corolla -- provided to me by the owner of the car. He found harder to be slower.

    AutoX is NOT road racing.
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  13. #13
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    Track days are what I like doing with my car and I have often thought about trying to go softer with my spring rates to increase traction over bumps and possibly increase traction at corner exits. I imagine when this guy went for a softer ratio R/F he also was trying to improve exit grip?
    To each their own.
    Interesting info Brock
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    Nice looking car.

  15. #15
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    Quote Originally Posted by b-rock View Post
    AutoX is NOT road racing.
    This is a major point.

    Typically (as in, most of the time, but not always) softer rates are found when road racing.

    Followed by autocross (Stiffer).

    Followed by drifting (Stiffest).
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    I don't want to say that you are wrong, but you are wrong.

    You can't make generalizations about cars like that.
    BCWORKS

  17. #17
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    Different tracks make bigger differences in ideal spring rates then different types of racing.
    BCWORKS

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  19. #19
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    I run 6/6
    **** YOUR LAWS

  20. #20
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    also on a more serious note, yes I do run 6/6 daily / autocross and soon 8/8 for road racing.
    for autocross and road racing I would prefer 8/6, drifting I suck at so it's a write off. with 6/4 your suspension is just too soft to the point where you'll out drive your suspension, especially if you're running competitive tires like re11, zII, rivals or rs3... and especially r888s and Hoosiers. with stiffer gripper tires you want a stiffer suspension set up to go with it. for autocross especially I've found with a softer suspension, the transition from left to right is just super sluggish. for road racing... sweepers and corkscrews... your car feels like it's about to tip over. also thanks for reminding me... I need to swap out my springs before the next mission days. but of course this minitature rant is based on my own preference, everyone will run something different especially myself now that I'm running 8/8 1:1 ratio

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