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  Track Report
  Road America Raceway
   Elkhart Lake, WI 
  April 12-13, 2003 
   
   
  Article, In-Car Videos and Photos by Philip Glazatov
   
  
  
    
    { Click the image
    above to go right to the photos and videos. } 
   
   
   
  
    
   
   
  
  
    
      
        
          
            Highlights
             
            
            Road America is a very cool
            track. It is fast and reasonably safe.  There are open areas or
            sand pits in strategic locations and nice and cushy tire walls
            (which saved me once).  There are professional safety crews
            patrolling the track and flaggers in fireproof suits on every
            corner, who watch the cars and signal if problems occur.  If
            there is a problem with your car a crew will be there to help you in
            a few seconds. 
             
            The Midwest F-Body Association
            and Speed Seekers, LLP
            sponsored this very well-organized event.  Not too many strict
            rules and plenty of track time.  The contingent was very
            serious.  There were 120 cars and virtually all of them were
            high-power beasts.  Firebirds/Camaros galore, Corvettes,
            Mustang Cobras, M3's (those were FAST), Porsches, etc.  Even a
            Saturn and a Contour, which somehow got there were running very
            strong and were hard to keep up with. 
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              Rich
              Merritt, Jon, and Jack T.
               
              
              I finally met Rich
              Merritt. Yes, he is a real person.  :-)  He does not
              look like an old poop either.  He is much taller than he
              seemed in one of the pictures where I saw him sitting in his
              car.  I asked how he fits in his VR-4 and he replied that he
              goes not fit in the car, puts the car on.  He is a real
              hardcore driver out there on the track, trying to kill everything
              that moves, and usually does. 
               
              He is very hyped up about our cars, and rightfully so. 
              During our driver's dinner he had about 4 glasses of Scotch and we
              had to listen to him telling us about our ***AMAZING CARS***,
              LOL!  The only weak point, according to him, is the
              brakes.  This is also one of my top priorities now after I
              fell flat on my face with babying my brakes trying to keep them
              from overheating, not being able to open it wide on straightaways,
              having to let people pass me due to that, and still warping the
              rotors slightly by midday Sunday. 
               
              We met some new 3S people there.  A few local guys were
              there.  Jon from Iowa, Rich's student, was on the waitlist
              and could not sign up because the event was all sold out.  He
              came there hoping to buy someone's track time if their car breaks
              down.  He was a little chicken to pay half the price for one
              day that was offered to him by someone who quit after day one, but
              he had no excuses not to buy Jack Tertadian's track time for $20
              in the afternoon on Sunday. 
               
              Everyone had a great time there.  Even Jack T, who ran only
              half a day Saturday.  He is just as great of a driver on the
              open track as he is on the drag strip.  He was not relaxing
              too much there.  He brought an AEM EMS to the track to map it
              right there.  He managed to correctly diagnose a fuel pump
              problem that was happening at 120 MPH.  Not many people can
              race ahead of the pack at 120 MPH while tuning a brand-new ECU and
              diagnosing bugs at the same time. 
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                Tuning
                the Suspension
                 
                
                I left my AEM EMS at
                home. I had a JIC suspension there to play with instead, and it
                kept me busy most of the day Saturday.  I was fighting
                oversteer all day.  I did not quite figure out my new tires
                and new lowered setup with the JIC suspension and spun out the
                car in the first session into a tire wall. Click HERE
                to watch the crash into a tire wall video...  Normally that
                would have never happened.  The car would have gone
                sideways for a split second, I would have applied some gas and
                the car would have straightened itself out, just like it did
                here: 
                 
                Sideways
                at Gingerman video 4-12-02 
                 
                But the oversteer was way too severe and I did not have much
                power available in 3rd gear, so I could not save it. 
                Amazing, but here was no damage to the car other than a few
                paint chips on the front bumper, which was already banged up
                anyway and needed some paint work prior to the event.  Even
                after two days I could not get that turn #5 right.  I think
                I should have tried it slower in 2nd gear instead. 
                 
                After this episode I realized that maybe I needed to spend some
                time tuning my new suspension.  I had a negative 2 degree
                camber all around, JIC in the mid-range front and rear, zero
                toe-in, and my tire pressure was 40/38 FR/RR.  I ended up
                doing a series of small iterations, after which I ended up with
                the JIC on full stiff in the front, 3 clicks soft in the rear,
                tire pressures 38/32 (when cold), camber or 1.50/2.00 FR/RR, a
                little toe-out in the front simply due to changing the camber,
                and I completely removed all the spring preload.  Springs
                are often installed on coilovers with some preload.  The
                stock front coilovers have a lot of preload.  The rears
                have very little.  I put only about 1/4" of preload on
                my springs, but then I realized that with the rear spring rate
                of 564 lbs/in a 1/4" of preload is 141 lbs of force. 
                The inner shocks often extend in the turns fully and become
                completely stiff as if there is no suspension out there, which
                is not good for traction or handling.  After all these
                changes I ended up with a great balanced setup where the car was
                neutral under partial steady throttle, with a minor understeer
                under hard acceleration and a minor oversteer with closed
                throttle. 
                 
                JIC seems like an okay suspension, but I am not convinced yet
                that it has a good road racing or street potential.  It is
                oversprung and underdamped.  I did some dyno tests, about
                which I will write separately, and they showed that its front
                dampers are even softer than the stock "sport"
                setting.  It felt terrible driving through Chicago northern
                districts.  The car was rocking back and forth and did not
                want to stop. It was much better on the track though.  The
                car stayed solid flat all the time.  That allowed me to go
                nuts smoking those tires through the carousel and even toy with
                a light trail braking before some turns.  Not that it was
                faster, but I could do it if I wanted to.  The JIC does its
                trick with super stiff springs and does not rely on sway bars at
                all.  It is night and day in comparison to stock, but I
                think a softer setup with more damping would have provided more
                traction. 
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                  Fun on
                  the Track
                   
                  
                  After I fixed all the
                  steering problems I had a ball!  I was able to keep up
                  with most and pass a few cars.  I could make distance on
                  almost anyone on the carousel and the back straight after the
                  carousel.  However, virtually everyone there was
                  outbraking me. 
                   
                  I got Rich's friend Beluga, The Great White Whale, killed him
                  on the back straight after the carousel and turn #11.  I
                  loved that little high-speed kink there.  I was going at
                  100 mph there, squealing tires, scaring my passenger.  I
                  was making 100 ft on him by the end of that straightaway. Even
                  on the front straightaway I was doing not too bad. I saw him
                  in the rear view mirror power oversteering coming out onto
                  that straightaway.  Maybe because of his rear end was
                  stepping out he was not making much distance on me there. 
                   
                  I had my car go 135 mph only once in the front straightaway
                  and I was not even trying too hard.  I was trying to save
                  the @#$% brakes, therefore I usually went at half-throttle
                  there and rarely exceeded 120 mph. 
                   
                  I tested new tires too.  Flash rented me his wheels with
                  old 17" Yoko A-032 tires.  The tires were worn but
                  still good for about two track days.  Those are not
                  street tires.  They have a treadwear rating of 70 and are
                  a little noisy on the street.  On the track they were
                  good.  They have some extra meat on the outer edges to
                  allow for extra wear in that area during track use.  I
                  expected them to be a little more sticky, but they were still
                  very good.  They were a little slippery and too quiet for
                  the first lap, but then they warmed up and worked very well
                  almost to the end of the event.  I had to deflate them a
                  lot (see oversteer troubleshooting above).  They still
                  worked well at that low pressure with most of the wear still
                  occurring in the middle.  They were still not rolling
                  over too much.  I noticed some tread peeling on three of
                  them by mid Sunday.  I could not use them further because
                  I had another off-track excursion and broke one of the rims. 
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                    The
                    Magic Exploding Rim
                     
                    
                    I never could get
                    turn #5 right.  The same turn after which I spun out
                    and crashed into a tire wall.  This time I went wide,
                    past the rumble strips (oh, they are hard!), past the little
                    asphalted section, and with two wheels off into the
                    sand.  That did not feel right.  A few feet later
                    I realized that I had a flat. I pulled over to the side in a
                    quiet spot and then a flatbed came, loaded me, and took me
                    to the pits. 
                     
                    In the pits I saw a few strange scuffmarks on the
                    rims.  I thought, well, Flash won't get upset because
                    now these old rims just looked a little shinier than
                    before.  Then I noticed a lot more scuffmarks inside
                    the rims, on the lower control arm and on the brake caliper,
                    which puzzled me more.  Was that some rocks that got
                    stuck between the brake caliper and the rim?  Nope, too
                    many scuff marks to be left by a few rocks. The rim was
                    round and everything else seemed fine. The outer lip was
                    intact and the tire beads were seated as normal.  There
                    was nothing except the scuffmarks that indicated a
                    trouble.  Then... I saw a crack!  Right near the
                    weld seam going all the way around the rim where the cast
                    hub with spokes is welded to the aluminum rolled part of the
                    rim.  The spokes separated from the rim!  We
                    turned the wheel over and found no nipple!  It was
                    gone.  But there was no nipple hole there either. 
                    WOW!  The rim must have tuned around the spokes! 
                    I gave the wheel a couple yanks and it came apart. 
                     
                    Here is the kicker: the two-piece wheel fell apart while I
                    was off-roading with my right side for several feet. 
                    During that time I heard several nasty clunks.  Then
                    everything was normal on the straightaway, except in the
                    next turn I felt that the front tire was losing
                    pressure.  I stopped and only saw a flat.  I did
                    not notice anything unusual.  The rim put itself back
                    together!!!  It could not have come off the car because
                    the cast hub with spokes is larger than the rim's ID. 
                    So it wobbled around the wheel well a little and then worked
                    its way back on the spokes somehow!  That happened so
                    fast that nobody, not even me, noticed it.  I will post
                    a video of this incident, but I could tell you now that it
                    is not really spectacular.  It looked almost like a
                    regular two wheels off the track kind of incident. 
                     
                    Now Flash wants me to get him a replacement rim.  I
                    hoped that he would be happy that I broke it for him, found
                    a "weak link" sort of.  Well, he is now
                    worried about the other three rims but still wants them back
                    nevertheless, including a replacement for the fourth. 
                    If you could sell me one rim like that, let me know. 
                    It is a 17" chrome 6-spoke 1997 or equivalent 3000GT SL
                    wheel.  It could be ugly as hell, but must be
                    reasonably round. 
                     
                    Then I mounted a set of my street 18" rims with Kumho
                    712 street tires that I conveniently took with me.  I
                    was impressed with then for about four laps.  After
                    they warmed up in 1/2 a lap they ran pretty well in
                    comparison to the special track Yokes.  They had
                    smaller slip angles, less yaw, they held direction better,
                    steering was faster, crisper and more precise.  They
                    had a little less grip, but still very impressive. 
                    However the street Kumhos overheated after 4 laps and I
                    could not push them hard anymore.  They had at least
                    20K miles on them and still about 1/2 the tread
                    left!!!  They were the same tires that I had at
                    Gingerman twice and with which I bought my car two years
                    ago.  They felt great on the way home. 
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                      Final
                      Thoughts
                       
                      
                      After driving my
                      car at 130 MPH for two days straight on a stiff suspension
                      and negative 2 degree cambers, driving my daily driver,
                      which I earlier thought had a pretty sporty ride, now
                      feels like bouncing on an old couch.  Yuck! 
                       
                      I am now irreversibly hooked on open tracking.  I am
                      in one the of the last stages of addiction, way past the
                      point of no return.  I look forward to seeing you all
                      at the track next time! 
                       
                      --- Philip
                      Glazatov, '95 Stealth RT/TT 
                       
                       
                      
                      Click
                      here for the Road America photos and videos! 
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