Tracked the SHO This Week at Elkhart Lake-Road America

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peglegtom

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After purchasing my 2015 SHO PP last fall, I was looking forward to "tracking" it. In my area, there are multiple opportunities, but work interfered with many. I finally had the chance this last week at historic Road America in Elkhart Lake, WI. For those that do no know, this is a 4 mile road coarse with some very challenging corners, including turn 5 that is a 90+ degree tight corner at the end of the fastest straight and turn 11 (the Kink) that is the one of the fastest corners with guardrails on both sides adjacent to the road edges (go off here and it with both physically and monetarily hurt really bad).

I was placed in Group 2 (intermediate) because of my recent track day experience. For the best since I was learning to drive a new car. My previous experience on this track was with my Alfa Romeo 164Q, with various suspension modes, including Koni struts and Michelin 215-17 Pilot Sport tires. So I was used to running up cars in the corners, only to have them "walk" me down the straights (of which there are 3 at RA) and are the only passing zones for SCCA track days. My first session I went out second and let several cars pass in the designated zones (Miatas, Ferrarri's , and Corvettes mostly) since I was learning what the car would do. Felt good after the session, that I did the best with what I had (BFG Comp-2 AS tires) and normal stability control. My plan was to run 2 of the 4 sessions with standard stability control, and then if I felt comfortable, switch to "track mode."

For the second session, I left the pit first, and on the longer straights, could "walk" the cars behind me, even when I "pointed" them around to pass. Felt nice after my dayw in my Alfa. Unfortunately, after several laps, I felt a vibration. Assuming it was my less than optimal tires chunking and giving up, I continued on, since at the start of the day (not the start of the session), I had checked all of the wheel nut torques and they were higher than 100 ft-lbs. Unfortunately after several laps with this vibration I came into Turn 12 (Canada Corner) as normal and had the left front wheel leave the vehicle. Not the way I expected to end the day, and after having to be put on a flatbed to clear the track and another to have it taken to my repair guy near my home (thank you AAA), I ended up needing a new wheel, hub, and tire. FWITW, a new 20" Flower wheel lists at $832 on Ford's website. Was able to find a re-furbished wheel for $425 on eBay and my "******" BFG tire was $197 on Tire Rack. This does not include the new rotor and hub that my repair shoe will install.

So my track days are done for this year are done because my repairs took the money for additional track days. If you track any car, remember to check the lug nut torques prior to each session, and heed what the car is telling you. I learned a very expensive lesson, even at 69 years old and a history of racing.

But I did learn a lot. The Gen 4/5 SHO with PP is a capable track car, although it cannot compete with "real track day specials" such as a Honda Civic Type R, Corvette or Camero "high performance models" or exotics such as Ferrari's, M-B's, etc. It wil hold it's own against Cadillac CTS-V's or ATS-V's. So if you do track your show, remember what "class" you are running in!
 

Michelle

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A few older SHOs will be running at Blackhawk later this month with the NW Shelby Club. Feel free to come down - bring a helmet and catch a ride!
 

SM105K

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After purchasing my 2015 SHO PP last fall, I was looking forward to "tracking" it. In my area, there are multiple opportunities, but work interfered with many. I finally had the chance this last week at historic Road America in Elkhart Lake, WI. For those that do no know, this is a 4 mile road coarse with some very challenging corners, including turn 5 that is a 90+ degree tight corner at the end of the fastest straight and turn 11 (the Kink) that is the one of the fastest corners with guardrails on both sides adjacent to the road edges (go off here and it with both physically and monetarily hurt really bad).

I was placed in Group 2 (intermediate) because of my recent track day experience. For the best since I was learning to drive a new car. My previous experience on this track was with my Alfa Romeo 164Q, with various suspension modes, including Koni struts and Michelin 215-17 Pilot Sport tires. So I was used to running up cars in the corners, only to have them "walk" me down the straights (of which there are 3 at RA) and are the only passing zones for SCCA track days. My first session I went out second and let several cars pass in the designated zones (Miatas, Ferrarri's , and Corvettes mostly) since I was learning what the car would do. Felt good after the session, that I did the best with what I had (BFG Comp-2 AS tires) and normal stability control. My plan was to run 2 of the 4 sessions with standard stability control, and then if I felt comfortable, switch to "track mode."

For the second session, I left the pit first, and on the longer straights, could "walk" the cars behind me, even when I "pointed" them around to pass. Felt nice after my dayw in my Alfa. Unfortunately, after several laps, I felt a vibration. Assuming it was my less than optimal tires chunking and giving up, I continued on, since at the start of the day (not the start of the session), I had checked all of the wheel nut torques and they were higher than 100 ft-lbs. Unfortunately after several laps with this vibration I came into Turn 12 (Canada Corner) as normal and had the left front wheel leave the vehicle. Not the way I expected to end the day, and after having to be put on a flatbed to clear the track and another to have it taken to my repair guy near my home (thank you AAA), I ended up needing a new wheel, hub, and tire. FWITW, a new 20" Flower wheel lists at $832 on Ford's website. Was able to find a re-furbished wheel for $425 on eBay and my "******" BFG tire was $197 on Tire Rack. This does not include the new rotor and hub that my repair shoe will install.

So my track days are done for this year are done because my repairs took the money for additional track days. If you track any car, remember to check the lug nut torques prior to each session, and heed what the car is telling you. I learned a very expensive lesson, even at 69 years old and a history of racing.

But I did learn a lot. The Gen 4/5 SHO with PP is a capable track car, although it cannot compete with "real track day specials" such as a Honda Civic Type R, Corvette or Camero "high performance models" or exotics such as Ferrari's, M-B's, etc. It wil hold it's own against Cadillac CTS-V's or ATS-V's. So if you do track your show, remember what "class" you are running in!

Holy crap, I am glad you walked away with minimal damage. Do you figure that the lugs just got loose and sheared the studs?
 

peglegtom

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Yes, I was very lucky. The wheel exited the wheel well without doing any body damage. So it was "only" about $1300 worth of damage to mechanical parts (wheel, tire, hub, rotor, etc). Also lucky that it happened on a relatively slow corner (about 50 mph). The car was surprising stable after the wheel came off and just coasted in pretty much a straight line to a stop (the corner exit is uphill). May be the stability control doing its thing. The previous corner is much faster and has little runoff area, so things could have been a lot worse (search you tube for Elkhart Lake Road America Kink to see what can happen).

I'm a metallurgist and the most common reason why wheels come off is that the lug nuts or bolts become loose. Any fastener without adequate preload (torque) has very low fatigue resistance so a crack and start and propagate to the point of failure very quickly. So whenever you take any car on a race track, be sure to check the wheel torque is proper every time before you go out!
 

SM105K

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Thank you for the information Tom.
 

peglegtom

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Went back to the "scene of the crime" yesterday for another track day (this one was a charity event). On the way to the track, the low tire pressure warning came on (it was of course raining at the time). I was thinking that this car does not want to be tracked. Pulled off the freeway to a gas station to check pressures. Why cannot Ford show the pressure in each tire. Our 2007 Jeep GC does that! So had to check each tire to find the one that was low. Filled it back to 35 psi and went on our way, not knowing if the light would go on again due to a real leak.

Made it to the track and had a great time, despite the misting/drizzling weather that kept the track damp. Actually this helped learn how the SHO handles at the limit at much lower cornering speeds (g-forces). Car definitely understeers (surprise)! Running stock setup, BFG G-Force 2 all season performance tires, and 35 psi all around. But could get the car to slide in 2nd gear corners with some gas. Great fun. Never felt the "nannies" kick in even with stability control on "normal." Could keep up with most cars up to Gen 4 Corvettes except in two high speed corners (the Carousel and Kink if your are familiar with Road America). This was probably more due the driver than the car. Faster cars (Corvette C6/C7, Porsche 911, BMW M-series, Audi R8, McLearen, etc) get the wave by. No more problems with tire pressures (checked pressures and lug nut torque prior to each session; I learned from previous experience)! Got dusted by a Kia Stinger, (twin turbo V6, AWD) but later found out it was driven by an instructor, which probably explains that.

Again, at a track day, the situation is to have fun, remember what "class" your are in, and be able to drive home, which I did this time. Didn't record times because of the wet conditions.

BTW, got about 5.8 MPG during the first day in the dry, and 7.6 MPG this time in the wet running mostly premium. Normally use regular/E15 for everyday driving and fill with premium for track days).
 

Jeff2017

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Went back to the "scene of the crime" yesterday for another track day (this one was a charity event). On the way to the track, the low tire pressure warning came on (it was of course raining at the time). I was thinking that this car does not want to be tracked. Pulled off the freeway to a gas station to check pressures. Why cannot Ford show the pressure in each tire. Our 2007 Jeep GC does that! So had to check each tire to find the one that was low. Filled it back to 35 psi and went on our way, not knowing if the light would go on again due to a real leak.

Made it to the track and had a great time, despite the misting/drizzling weather that kept the track damp. Actually this helped learn how the SHO handles at the limit at much lower cornering speeds (g-forces). Car definitely understeers (surprise)! Running stock setup, BFG G-Force 2 all season performance tires, and 35 psi all around. But could get the car to slide in 2nd gear corners with some gas. Great fun. Never felt the "nannies" kick in even with stability control on "normal." Could keep up with most cars up to Gen 4 Corvettes except in two high speed corners (the Carousel and Kink if your are familiar with Road America). This was probably more due the driver than the car. Faster cars (Corvette C6/C7, Porsche 911, BMW M-series, Audi R8, McLearen, etc) get the wave by. No more problems with tire pressures (checked pressures and lug nut torque prior to each session; I learned from previous experience)! Got dusted by a Kia Stinger, (twin turbo V6, AWD) but later found out it was driven by an instructor, which probably explains that.

Again, at a track day, the situation is to have fun, remember what "class" your are in, and be able to drive home, which I did this time. Didn't record times because of the wet conditions.

BTW, got about 5.8 MPG during the first day in the dry, and 7.6 MPG this time in the wet running mostly premium. Normally use regular/E15 for everyday driving and fill with premium for track days).
The Stinger is very fast 0-60 in 4.6s and a top speed of around 275km/hr. You would need to tune to have chance with the Stinger.
 

Johnbigdog

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I think the reason Ford doesn't show the tire pressures is part of a works package is to rotate the tires. Most shops (including myself and my personal car) do not re-train the tire position after a rotate. Since the car can't passively learn the tire position, it thinks they never moved. So that R.R. tire that shows to be low, is now the L.F. And you don't know that. Customer just inflated the R.R. to dangerous levels and the L.F. is on the verge of a blow out.
 

Jeff2017

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I think the reason Ford doesn't show the tire pressures is part of a works package is to rotate the tires. Most shops (including myself and my personal car) do not re-train the tire position after a rotate. Since the car can't passively learn the tire position, it thinks they never moved. So that R.R. tire that shows to be low, is now the L.F. And you don't know that. Customer just inflated the R.R. to dangerous levels and the L.F. is on the verge of a blow out.
Ah, never though of that.
 

Sgtmeatsauce1

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I have beaten 2 stingers, once it had 4 adult salesmen in the stinger, we played from a punch 3 times and I could pull away. (Not stock-13 pp)
Another time with fresh summer tires I got to race to 70 from a dig, I have a full car on it and slightly pulling on it when I hit the brakes. The young lady driving it was ******. I thought wow that pretty fast usually to 70 I destroy everything. I have 3 cars on hellcats to 60, by 75 they passing me in a big way....
 

RonPorter

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I have beaten 2 stingers, once it had 4 adult salesmen in the stinger, we played from a punch 3 times and I could pull away. (Not stock-13 pp)
Another time with fresh summer tires I got to race to 70 from a dig, I have a full car on it and slightly pulling on it when I hit the brakes. The young lady driving it was ******. I thought wow that pretty fast usually to 70 I destroy everything. I have 3 cars on hellcats to 60, by 75 they passing me in a big way....

Operative words :not stock. From tests I've seen, stock AWD Stinger GTs are near half a second quicker quarter (13.2 - 13.3) and the RWD GTs have cracked into the high 12s. They are under 4k#s with AWD, probably a couple of hundred less in RWD.
 

SHOdded

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Listed at about 300 lbs lighter than the SHO for the 2018MY per my comparo link above. Slightly smaller engine too. Not sure how much boost they are using from factory.
 

Juicybaka

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Went back to the "scene of the crime" yesterday for another track day (this one was a charity event). On the way to the track, the low tire pressure warning came on (it was of course raining at the time). I was thinking that this car does not want to be tracked. Pulled off the freeway to a gas station to check pressures. Why cannot Ford show the pressure in each tire. Our 2007 Jeep GC does that! So had to check each tire to find the one that was low. Filled it back to 35 psi and went on our way, not knowing if the light would go on again due to a real leak.

Made it to the track and had a great time, despite the misting/drizzling weather that kept the track damp. Actually this helped learn how the SHO handles at the limit at much lower cornering speeds (g-forces). Car definitely understeers (surprise)! Running stock setup, BFG G-Force 2 all season performance tires, and 35 psi all around. But could get the car to slide in 2nd gear corners with some gas. Great fun. Never felt the "nannies" kick in even with stability control on "normal." Could keep up with most cars up to Gen 4 Corvettes except in two high speed corners (the Carousel and Kink if your are familiar with Road America). This was probably more due the driver than the car. Faster cars (Corvette C6/C7, Porsche 911, BMW M-series, Audi R8, McLearen, etc) get the wave by. No more problems with tire pressures (checked pressures and lug nut torque prior to each session; I learned from previous experience)! Got dusted by a Kia Stinger, (twin turbo V6, AWD) but later found out it was driven by an instructor, which probably explains that.

Again, at a track day, the situation is to have fun, remember what "class" your are in, and be able to drive home, which I did this time. Didn't record times because of the wet conditions.

BTW, got about 5.8 MPG during the first day in the dry, and 7.6 MPG this time in the wet running mostly premium. Normally use regular/E15 for everyday driving and fill with premium for track days).
Agreed! This vehicle has all the bells and whistles, but no tire pressure readings....really!! I have a slow, slow, leak and drives me nuts I can’t monitor
 

Sgtmeatsauce1

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I have a 15 dollar digital air pressure checker from Pep boys. I keep one in each car. I 5 years I only had to replace the battery once. I always look at my car's tires and check them once a month or when ever a large temperature change. On my car I keep even tread wear by keeping them filled and rotate every 5,000 miles. Rotation and air pressure correction adds so much more life to the tires and ride quality with the potential for maximum mpg....it's cheap and easy assurance to maximize absolute ride enjoyment, longevity and keeps my car conforming to the absolute limits of adhesion!
 

RonPorter

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I buy decent tire pressure gauges. But IMO, 10 different gauges will give 10 different readings!

Buy a decent gauge, and use that consistently.
 
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