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Thread: Blue Skying an STU Car

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  1. #1
    Join Date
    Aug 2004
    Location
    Oakville, Ontario,Canada
    Posts
    106

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    Oh cr&p. So what does my car have to weigh then?

    It's VTS weight is 2500 lbs with driver. Add in the 5% penalty and I was looking at a running weight of just over 2625 lbs. This would mean I needed to add 125 lbs in ballast.

    What is the STU weight for the car? I am getting scared that I have to add 300+ pounds of ballast to the car again..... Bolting on that much ballast can't be safe in any way.

    I gotta find a download of the 2012 GCR's.

    Eric

  2. #2
    Join Date
    Mar 2001
    Location
    Connecticut
    Posts
    7,381

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    Quote Originally Posted by 23racer View Post
    Oh cr&p. So what does my car have to weigh then?
    Your car has a 2.5L engine. The STU weight for 2.5L is 2750#.

    You say your VTS weight is 2500#?

    Since 2750 > 2500, you'll be classified at 2750+5% = 2888 ... - GA

  3. #3
    Join Date
    Jan 2010
    Location
    Houston-ish
    Posts
    932

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    Quote Originally Posted by 23racer View Post
    I gotta find a download of the 2012 GCR's.

    Eric
    http://www.scca.com/clubracing/content.cfm?cid=44472

    Updated monthly there.. (and yes, with STU, you need to download and read it monthly. )
    Houston Region
    STU Nissan 240SX
    EProd RX7

  4. #4
    Join Date
    Aug 2004
    Location
    Oakville, Ontario,Canada
    Posts
    106

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    I just read up on this in the GCR's. It looks like I have to weigh in at 2888 lbs (2750 x 1.05 multiplier for running to a VTS). This means I have to bolt on 388 lbs of ballast to the car, . Please tell me I am wrong and that I can run to my VTS weight of 2500 plus the 125 lbs of ballast.

    I can see why there aren't that many ex WC Touring cars running if the above is correct. First, I just don't know how to bolt on 388 lbs of ballast safely and man the car isn't going to be fun to race with an additional 388 lbs of weight in it.

    Wow...., looks like it is going to be a really tough decision to neuter the car to run it in STU. Don't know what to do now.

    Eric
    Last edited by 23racer; 02-22-2012 at 10:47 AM.

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