T4 02-06 R53 Mini Cooper Hotchkins Rear Camber Arms
#40677 from Trenton Kramer · Rule change · TB 26-09 (2026-09 Fastrack)
In T4 Spec Lines, Mini Cooper S R53 (02-06), add to Notes the following:
"Hotchkis Rear Camber arms permitted Part #13800."
BoP Lab / Drivers / Trenton Kramer
| Track | Class | Sessions | Typical gap to class best | Closest |
|---|---|---|---|---|
| Road America (4.05 mi) | B-Spec | 4 | +3.472s (1.82%) | +3.017s (1.72%) |
| Road America (4.05 mi) | T4 | 4 | +7.125s (4.02%) | +5.543s (3.07%) |
| Mid-Ohio Sports Car Course (2.40 mi) | B-Spec | 8 | +1.364s (1.02%) | +0.501s (0.46%) |
| Mid-Ohio Sports Car Course (2.40 mi) | T4 | 4 | +1.614s (1.59%) | +1.519s (1.51%) |
| Buttonwillow Raceway Park (2.57 mi) | B-Spec | 5 | +0.000s (0.00%) | +0.000s (0.00%) |
| Mid-Ohio Sports Car Course (2.53 mi) | B-Spec | 1 | +3.228s (2.66%) | +3.228s (2.66%) |
| Virginia International Raceway (3.27 mi) | B-Spec | 1 | +0.367s (0.26%) | +0.367s (0.26%) |
| Unknown track (3.27 mi) | B-Spec | 3 | +2.517s (1.76%) | +1.647s (1.15%) |
| Watkins Glen International (3.40 mi) | B-Spec | 4 | +0.850s (0.58%) | +0.000s (0.00%) |
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.
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2026 | T4 National Championship Race | T4 | 9 | Mini Cooper S | 10/12 | 2:43.595 | 2:35.757Matt Spicuzzi | +7.838s (5.03%) | 120.711/12 | 127.6Alex Lozano | -7.0 mph (-5.5%) |
| Runoffs 2026 | T4 Qualifying 3 | T4 | 9x | Mini Cooper S | 12/11 | 2:35.876Matt Spicuzzi | |||||
| Runoffs 2026 | T3/T4/STL Qualifying 2 | T4 | 9x | Mini Cooper S | 9/11 | 3:04.232 | 2:57.107Mario Carini | +7.125s (4.02%) | 115.79/11 | 122.5Mario Carini | -6.8 mph (-5.5%) |
| Runoffs 2026 | T3/T4/STL Qualifying 1 | T4 | 9x | Mini Cooper S | 4/9 | 3:06.251 | 3:00.708Kevin Fryer | +5.543s (3.07%) | 115.24/8 | 120.7Mario Carini | -5.4 mph (-4.5%) |
| June Sprints 2024 | Grp 2B B-Spec Race 2 | B-Spec | 20 | Mini Cooper | 18/36 | 2:58.476 | 2:55.459David Daughtery | +3.017s (1.72%) | 105.829/36 | 110.3Andrew Janssen | -4.6 mph (-4.1%) |
| June Sprints 2024 | Grp 2B B-Spec Race 1 | B-Spec | 20 | Mini Cooper | 16/35 | 3:13.774 | 3:10.302Stewart Black | +3.472s (1.82%) | 101.923/35 | 107.7John Phillips | -5.8 mph (-5.4%) |
| June Sprints 2024 | Grp 2B B-Spec Qual | B-Spec | 20 | Mini Cooper | 18/36 | 3:12.914 | 3:08.109Stewart Black | +4.805s (2.55%) | 101.626/36 | 105.5Eric Yagel | -3.9 mph (-3.7%) |
| June Sprints 2024 | Grp 2 EP FP HP GTL B-Spec Prac | B-Spec | 20 | Mini Cooper | 23/36 | 3:04.187 | 2:55.057John Phillips | +9.130s (5.22%) | 103.033/36 | 109.2Eric Yagel | -6.2 mph (-5.7%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Great Lakes Champions 2026 | Grp 1 STL STU T3 T4 Race 2 | T4 | 9 | Mini Cooper S | 2/3 | 1:43.311 | 1:41.697Madin Workman | +1.614s (1.59%) | 114.33/3 | 116.7Matthew Miller | -2.4 mph (-2.1%) |
| Great Lakes Champions 2026 | Grp 1 STL STU T3 T4 Race 1 | T4 | 9 | Mini Cooper S | 2/3 | 2:05.725 | 2:00.877Madin Workman | +4.848s (4.01%) | 110.71/3 | 110.7you | +0.0 mph (0.0%) |
| Great Lakes Champions 2026 | Grp 1 STL STU T3 T4 Qual 2 | T4 | 9 | Mini Cooper S | 2/3 | 1:42.957 | 1:40.777Madin Workman | +2.180s (2.16%) | 114.33/3 | 115.9Matthew Miller | -1.6 mph (-1.4%) |
| Great Lakes Champions 2026 | Grp 1 STL STU T3 T4 Qual 1 | T4 | 9 | Mini Cooper S | 2/3 | 1:42.244 | 1:40.725Madin Workman | +1.519s (1.51%) | 115.11/3 | 115.1Matthew Miller | +0.0 mph (0.0%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 2 EP FP HP B-Spec Race 2 | B-Spec | 20 | Mini Cooper | 2/13 | 1:49.230 | 1:48.729Rob Piekarczyk | +0.501s (0.46%) | 104.38/13 | 106.5Stephanie Andersen | -2.2 mph (-2.0%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 2 EP FP HP B-Spec Race 1 | B-Spec | 20 | Mini Cooper | 3/13 | 2:14.444 | 2:13.080C. Lee Davis | +1.364s (1.02%) | 91.98/13 | 101.2Tom Hopson | -9.3 mph (-9.2%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 2 EP FP HP B-Spec Qual 2 | B-Spec | 20 | Mini Cooper | 2/13 | 1:57.480 | 1:56.171Eric Yagel | +1.309s (1.13%) | 0.71/6 | 0.7you | +0.0 mph (0.0%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 2 EP FP HP B-Spec Qual 1 | B-Spec | 20 | Mini Cooper | 4/13 | 1:50.396 | 1:49.535Rob Piekarczyk | +0.861s (0.79%) | 101.311/13 | 105.5Chris Taylor | -4.2 mph (-4.0%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 2 EP FP HP B-Spec Practice | B-Spec | 20 | Mini Cooper | 5/11 | 1:51.094 | 1:49.352Rob Piekarczyk | +1.742s (1.59%) | 99.210/11 | 104.0Kent Carter | -4.8 mph (-4.6%) |
| Great Lakes Champions 2024 | Grp 6 GTL EP FP HP B-Spec Race 2 | B-Spec | 20 | Mini Cooper | 8/18 | 1:50.270 | 1:49.533Daniel Conway | +0.737s (0.67%) | |||
| Great Lakes Champions 2024 | Grp 6 GTL EP FP HP B-Spec Race 1 | B-Spec | 20 | Mini Cooper | 9/20 | 1:51.206 | 1:49.658Daniel Conway | +1.548s (1.41%) | |||
| Great Lakes Champions 2024 | Grp 6 GTL EP FP HP B-Spec Qual | B-Spec | 20 | Mini Cooper | 10/20 | 1:52.091 | 1:48.827Daniel Conway | +3.264s (3.00%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Race 2 | B-Spec | 10 | Mini Cooper | 1/5 | 2:09.916 | 2:09.916you | +0.000s (0.00%) | 121.51/5 | 121.5you | +0.0 mph (0.0%) |
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Qual 2 | B-Spec | 10 | Mini Cooper | 1/5 | 2:09.353 | 2:09.353you | +0.000s (0.00%) | 121.31/5 | 121.3you | +0.0 mph (0.0%) |
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Race 1 | B-Spec | 10 | Mini Cooper | 2/5 | 2:12.926 | 1:42.146Thomas Lepper | +30.780s (30.13%) | 117.61/4 | 117.6you | +0.0 mph (0.0%) |
| Cal Club 2026 | Grp 1 EP FP HP B-Spec Qual 1 | B-Spec | 10 | Mini Cooper | 4/3 | 2:12.472Joseph Gersch | |||||
| Cal Club 2026 | Grp A Practice | B-Spec | 10 | Mini Cooper | 1/3 | 2:13.248 | 2:13.248you | +0.000s (0.00%) | 0.83/3 | 113.0Ali Naimi | -112.2 mph (-99.3%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Great Lakes Champions 2024 | Grp 6 GTL EP FP HP B-Spec Prac | B-Spec | 20 | Mini Cooper | 6/17 | 2:04.409 | 2:01.181Tristan Herbert | +3.228s (2.66%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2023 | B-Spec Race | B-Spec | 24 | Mini Cooper | 5/23 | 2:24.099 | 2:23.732Richard Hromin | +0.367s (0.26%) | 109.47/23 | 110.7Chris Daughtery | -1.3 mph (-1.2%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2023 | B-Spec Qual 3 | B-Spec | 24 | Mini Cooper | 10/24 | 2:25.224 | 2:22.707Riley Salyer | +2.517s (1.76%) | 103.721/24 | 109.0Josh Schmidt | -5.2 mph (-4.8%) |
| Runoffs 2023 | B-Spec Qual 2 | B-Spec | 24 | Mini Cooper | 5/25 | 2:25.282 | 2:23.635Richard Hromin | +1.647s (1.15%) | 106.49/25 | 109.0Brandon Lewis | -2.5 mph (-2.3%) |
| Runoffs 2023 | B-Spec Qual 1 | B-Spec | 24 | Mini Cooper | 6/25 | 2:26.777 | 2:23.852Conner Kelleher | +2.925s (2.03%) | 104.99/25 | 109.5Richard Hromin | -4.6 mph (-4.2%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Glen Region Hoosier SCCA Super Tour @ Watkins Glen International | Grp 4 EP,FP.HP,GTL,B-Spec Race 2 | B-Spec | 44 | Mini Cooper | 4/13 | 2:23.246 | 2:23.246you | +0.000s (0.00%) | |||
| Glen Region Hoosier SCCA Super Tour @ Watkins Glen International | Grp 4 EP,FP.HP,GTL,B-Spec Race 1 | B-Spec | 44 | Mini Cooper | 5/11 | 2:26.393 | 2:25.259Milos Milivojevic | +1.134s (0.78%) | 109.33/11 | 109.6David Rosenblum | -0.3 mph (-0.3%) |
| Glen Region Hoosier SCCA Super Tour @ Watkins Glen International | Grp 4 EP,FP.HP,GTL,B-Spec Qual 2 | B-Spec | 44 | Mini Cooper | 3/12 | 2:27.021 | 2:26.171Steve Introne | +0.850s (0.58%) | 106.16/12 | 107.2Stewart Black | -1.1 mph (-1.0%) |
| Glen Region Hoosier SCCA Super Tour @ Watkins Glen International | Grp 4 EP,FP.HP,GTL,B-Spec Qual 1 | B-Spec | 44 | Mini Cooper | 12/10 | 2:25.776Steve Introne |
#40677 from Trenton Kramer · Rule change · TB 26-09 (2026-09 Fastrack)
In T4 Spec Lines, Mini Cooper S R53 (02-06), add to Notes the following:
"Hotchkis Rear Camber arms permitted Part #13800."
#38966 from Trenton Kramer · Rule change · TB 25-11 (2025-11 Fastrack)
In T4 Spec Lines, Mini Cooper S R53 (02-06), change Gear Ratios as follows:
"12.79, 7.79, 5.65, 4.62, 3.83, 3.13 or overall- 11.42, 7.18, 5.39, 4.40, 3.65, 2.96"
#36589 from Trenton Kramer · No action required · Minutes (2024-11 Fastrack)
Thank you for your letter, adjustments to the R56 Minis using the OE catalyst will be part of the post-Runoffs BOP discussion
for the BSAC.