SM Tire Limiting Proposal - on the fence
#28639 from Shay Corbin · Taken care of · Minutes (2019-05 Fastrack)
Thank you for taking the time to respond to the WDYT. Please see response to initial request letter #27041 in the May Fastrack.
BoP Lab / Drivers / Shay Corbin
Shay Corbin 1 letter to Fastrack
Against the front of the class, by track and class
| Track | Class | Sessions | Typical gap to class best | Closest |
|---|---|---|---|---|
| Circuit of the Americas (3.41 mi) | SM | 13 | +6.456s (4.02%) | +3.395s (2.14%) |
| Virginia International Raceway (3.27 mi) | SM | 5 | +6.706s (4.96%) | +5.445s (3.99%) |
| Virginia International Raceway (3.27 mi) | STL | 5 | +13.590s (10.67%) | +12.159s (9.41%) |
| Michelin Raceway Road Atlanta (2.54 mi) | SM | 5 | +4.976s (4.85%) | +4.330s (4.22%) |
| Circuit of the Americas | SM | 1 |
Gap is the driver's best lap in a session against the fastest lap in their class in that same session (zero is fastest in class), shown as time lost and as a share of the lap, so conditions cancel out and tracks can be compared. Typical is the median session.
Circuit of the Americas (3.41 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lone Star Grand Prix 2022 | Grp 5 SM Race 2 | SM | 133 | Mazda Miata | 24/53 | 2:42.162 | 2:38.688Connor Zilisch | +3.474s (2.19%) | 115.122/53 | 118.6Boris Said Jr | -3.5 mph (-2.9%) |
| Lone Star Grand Prix 2022 | Grp 5 SM Qual 2 | SM | 133 | Mazda Miata | 34/57 | 2:42.031 | 2:37.421Connor Zilisch | +4.610s (2.93%) | 113.230/57 | 118.3Todd Lamb | -5.2 mph (-4.4%) |
| Lone Star Grand Prix 2022 | Grp 5 SM Race 1 | SM | 133 | Mazda Miata | 23/57 | 2:42.008 | 2:38.613Connor Zilisch | +3.395s (2.14%) | 115.724/57 | 117.9Boris Said Jr | -2.2 mph (-1.9%) |
| Lone Star Grand Prix 2022 | Grp 5 SM Qual 1 | SM | 133 | Mazda Miata | 28/56 | 2:41.827 | 2:37.752Connor Zilisch | +4.075s (2.58%) | 115.320/56 | 117.3Steven Clemons | -2.0 mph (-1.7%) |
| Lone Star Grand Prix 2022 | Friday Test 5 | SM | 33 | Mazda spec miata | 9/9 | 3:05.331 | 2:39.955Matt Reynolds | +25.376s (15.86%) | 0.49/9 | 0.4Matt Reynolds | -0.0 mph (-2.6%) |
| Lone Star Grand Prix 2021 | Grp 4 SM,B-Spec Race 2 | SM | 33 | Mazda Miata | 27/43 | 2:46.263 | 2:40.136Jim Drago | +6.127s (3.83%) | 111.837/43 | 117.7Tyler Quance | -5.9 mph (-5.0%) |
| Lone Star Grand Prix 2021 | Grp 4 SM,B-Spec Race 1 | SM | 33 | Mazda Miata | 31/44 | 2:46.878 | 2:40.422Jim Drago | +6.456s (4.02%) | 111.532/43 | 115.9Tyler Quance | -4.4 mph (-3.8%) |
| Lone Star Grand Prix 2021 | Grp 4 SM,B-Spec Qual 1 | SM | 33 | Mazda Miata | 33/45 | 2:46.429 | 2:39.787Tyler Quance | +6.642s (4.16%) | 112.623/44 | 117.5Chris Haldeman | -4.9 mph (-4.2%) |
| Lone Star Grand Prix 2021 | Friday Test 5 | SM | 33 | Mazda spec miata | 26/29 | 2:48.100 | 2:40.000Chris Haldeman | +8.100s (5.06%) | |||
| Lone Star Region Hoosier SCCA Super Tour @ Circuit of the Americas | Grp 3 SM, B-Spec, GTL Race 2 | SM | 33 | Mazda Miata | 29/42 | 3:01.071 | 2:52.386Nick Leverone | +8.685s (5.04%) | 108.829/42 | 114.5Nick Leverone | -5.8 mph (-5.0%) |
| Lone Star Region Hoosier SCCA Super Tour @ Circuit of the Americas | Grp 3 SM, B-Spec, GTL Qual 2 | SM | 33 | Mazda Miata | 22/31 | 3:07.346 | 2:57.278Matt Reynolds | +10.068s (5.68%) | 105.016/31 | 110.9Amy Mills | -5.9 mph (-5.3%) |
| Lone Star Region Hoosier SCCA Super Tour @ Circuit of the Americas | Grp 3 SM, B-Spec Race 1 | SM | 33 | Mazda Miata | 30/42 | 2:46.270 | 2:40.451Jim Drago | +5.819s (3.63%) | 114.135/42 | 118.3Nick Leverone | -4.2 mph (-3.6%) |
| Lone Star Region Hoosier SCCA Super Tour @ Circuit of the Americas | Grp 2 SM, B-Spec, GTL Qual 1 | SM | 33 | Mazda Miata | 36/42 | 2:47.517 | 2:38.975Jim Drago | +8.542s (5.37%) | 111.834/42 | 118.1Lee Thomas | -6.3 mph (-5.3%) |
Virginia International Raceway (3.27 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 6 STL, STU, T2, T3, T4 Race 2 | STL | 133 | Mazda Miata | 23/20 | 2:08.698Danny Steyn | |||||
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 2 SM Race 2 | SM | 33 | Mazda Miata | 56/51 | 2:17.065Peter Ensor | |||||
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 6 STL, STU, T2, T3, T4 Race 1 | STL | 133 | Mazda Miata | 16/21 | 2:21.341 | 2:09.182Max Gee | +12.159s (9.41%) | 114.921/21 | 132.2Gonzalo Aponte | -17.3 mph (-13.1%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 2 SM Race 1 | SM | 33 | Mazda Miata | 46/57 | 2:21.885 | 2:16.440Jonathan Davis | +5.445s (3.99%) | 114.839/57 | 118.2Todd Buras | -3.5 mph (-2.9%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 6 STL, STU, T2, T3, T4 Qual 2 | STL | 133 | Mazda Miata | 21/24 | 2:21.148 | 2:06.892Danny Steyn | +14.256s (11.23%) | 110.621/24 | 130.5Jon Sewell | -20.0 mph (-15.3%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 2 SM Qual 2 | SM | 33 | Mazda Miata | 49/58 | 2:23.157 | 2:15.465Connor Zilisch | +7.692s (5.68%) | 110.748/58 | 120.9Tyler Quance | -10.2 mph (-8.4%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 6 STL, STU, T2, T3, T4 Qual 1 | STL | 133 | Mazda Miata | 19/25 | 2:21.011 | 2:07.421Danny Steyn | +13.590s (10.67%) | 113.318/25 | 128.7Darin Treakle | -15.3 mph (-11.9%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 2 SM Qual 1 | SM | 33 | Mazda Miata | 52/59 | 2:21.856 | 2:15.150Jim Drago | +6.706s (4.96%) | 110.351/59 | 117.6Jim Drago | -7.3 mph (-6.2%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 6 STL, STU, T2, T3, T4 Practice | STL | 133 | Mazda Miata | 20/26 | 2:23.291 | 2:06.662Danny Steyn | +16.629s (13.13%) | 110.423/26 | 128.7Darin Treakle | -18.3 mph (-14.2%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 2 SM Practice | SM | 33 | Mazda Miata | 48/57 | 2:23.138 | 2:14.922Elivan Goulart | +8.216s (6.09%) | 114.129/57 | 117.2Danny Steyn | -3.1 mph (-2.7%) |
Michelin Raceway Road Atlanta (2.54 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta | Grp 4 SM Race 2 | SM | 33 | Mazda Miata | 42/62 | 1:46.894 | 1:42.564Preston Pardus | +4.330s (4.22%) | 109.434/61 | 111.9Junior Brock | -2.5 mph (-2.3%) |
| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta | Grp 4 SM Race 1 | SM | 33 | Mazda Miata | 63/67 | 1:47.672 | 1:42.752Danny Steyn | +4.920s (4.79%) | |||
| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta | Grp 4 SM Qual 2 | SM | 33 | Mazda Miata | 48/65 | 1:46.954 | 1:41.798Danny Steyn | +5.156s (5.06%) | 107.946/65 | 113.6Marc Cefalo | -5.7 mph (-5.0%) |
| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta | Grp 4 SM Qual 1 | SM | 33 | Mazda Miata | 47/67 | 1:47.658 | 1:42.682Elivan Goulart | +4.976s (4.85%) | 105.752/67 | 111.5John Raudat | -5.9 mph (-5.3%) |
| Atlanta Region Hoosier SCCA Super Tour @ Michelin Raceway Road Atlanta | Grp 4 SM Practice | SM | 33 | Mazda Miata | 50/61 | 1:48.629 | 13.798Kyle Greenhill | +94.831s (687.28%) | 107.046/61 | 111.2Broderick Bauguess | -4.3 mph (-3.8%) |
Circuit of the Americas
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Lone Star Grand Prix 2021 | Grp 4 SM,B-Spec Qual 2 | SM | 33 | Mazda Miata | 12/1 | 3:22.086Matt Fassnacht |