T4 Removal of 3.7L V6 Mustang from T4
#39735 from Christian Braunlich · Taken care of · Minutes (2026-03 Fastrack)
See letter #39230 in February Fastrack.
BoP Lab / Drivers / Christian Braunlich
| Track | Class | Sessions | Typical gap to class best | Closest |
|---|---|---|---|---|
| Road America (4.05 mi) | T4 | 11 | +1.807s (1.17%) | +0.920s (0.58%) |
| Mid-Ohio Sports Car Course (2.40 mi) | T4 | 2 | +0.299s (0.29%) | +0.299s (0.29%) |
| Mid-Ohio Sports Car Course (2.53 mi) | T4 | 1 | +2.743s (2.52%) | +2.743s (2.52%) |
| Virginia International Raceway (3.27 mi) | T4 | 9 | +0.078s (0.06%) | +0.000s (0.00%) |
| Unknown track (3.27 mi) | T4 | 3 | +1.042s (0.80%) | +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 2024 | T4 Race | T4 | 83 | Mazda RX-8 | 3/14 | 2:35.490 | 2:34.208Alex Lozano | +1.282s (0.83%) | 127.43/14 | 129.0Alex Lozano | -1.6 mph (-1.2%) |
| Runoffs 2024 | T4 Qual 3 | T4 | 83 | Mazda RX-8 | 5/15 | 2:36.931 | 2:34.874Marc Cefalo | +2.057s (1.33%) | 123.08/15 | 126.7Raymond Blethen | -3.6 mph (-2.9%) |
| Runoffs 2024 | STL/T4 Qual 2 | T4 | 83 | Mazda RX-8 | 4/12 | 2:36.237 | 2:34.430Matt Spicuzzi | +1.807s (1.17%) | 126.35/12 | 129.3Alex Lozano | -3.0 mph (-2.3%) |
| Runoffs 2024 | STL/T4 Qual 1 | T4 | 83 | Mazda RX-8 | 4/13 | 2:37.635 | 2:36.148Matt Spicuzzi | +1.487s (0.95%) | 123.45/13 | 127.6Alex Lozano | -4.2 mph (-3.3%) |
| Runoffs 2024 | Run 3 SMX, T3, T4 Sun | T4 | 83 | Mazda RX-8 | 3/7 | 2:39.058 | 2:37.558Chris Haldeman | +1.500s (0.95%) | 122.82/7 | 124.7Chris Haldeman | -1.9 mph (-1.5%) |
| Runoffs 2024 | Run 2 SMX, T3, T4 Sun | T4 | 83 | Mazda RX-8 | 5/10 | 2:39.365 | 2:35.025Scotty B White | +4.340s (2.80%) | 122.86/10 | 132.2Scotty B White | -9.3 mph (-7.1%) |
| Runoffs 2024 | Run 1 SMX, T3, T4 Sun | T4 | 83 | Mazda RX-8 | 5/10 | 2:39.084 | 2:36.726Matt Spicuzzi | +2.358s (1.50%) | 124.24/10 | 127.2Matt Spicuzzi | -3.1 mph (-2.4%) |
| June Sprints 2024 | Grp 9 T2 T3 T4 Race 2 | T4 | 83 | Mazda RX-8 | 2/9 | 2:39.857 | 2:38.937Marc Cefalo | +0.920s (0.58%) | 123.71/9 | 123.7you | +0.0 mph (0.0%) |
| June Sprints 2024 | Grp 9 T2 T3 T4 Race 1 | T4 | 83 | Mazda RX-8 | 4/10 | 2:57.907 | 2:54.716Scotty B White | +3.191s (1.83%) | 119.94/10 | 122.2Paolo Salvatore | -2.3 mph (-1.9%) |
| June Sprints 2024 | Grp 9 T2 T3 T4 Qual | T4 | 83 | Mazda RX-8 | 3/8 | 4:10.691 | 4:08.033Marc Cefalo | +2.658s (1.07%) | 97.65/8 | 113.4Scotty B White | -15.8 mph (-14.0%) |
| June Sprints 2024 | Grp 9 T2 T3 T4 Prac | T4 | 83 | Mazda RX-8 | 3/12 | 2:40.487 | 2:33.316James Ebben | +7.171s (4.68%) | 124.83/11 | 141.0James Ebben | -16.1 mph (-11.5%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Great Lakes Champions 2024 | Grp 1 T2 T3 T4 STL STU Race 2 | T4 | 83 | Mazda RX-8 | 2/7 | 1:41.591 | 1:40.561Marc Cefalo | +1.030s (1.02%) | |||
| Great Lakes Champions 2024 | Grp 1 T2 T3 T4 STL STU Race 1 | T4 | 83 | Mazda RX-8 | 2/8 | 1:42.117 | 1:41.818Marc Cefalo | +0.299s (0.29%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Great Lakes Champions 2024 | Grp 1 T2 T3 T4 STL STU Qual | T4 | 83 | Mazda RX-8 | 2/8 | 1:51.575 | 1:48.832Marc Cefalo | +2.743s (2.52%) |
| 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 & Test Day @ Virginia International Raceway | Grp 6 T2 T3 T4 STL STU Race 2 | T4 | 83 | Mazda RX-8 | 1/6 | 2:11.767 | 2:11.266Marc Cefalo | +0.501s (0.38%) | 125.43/6 | 127.2Scotty B White | -1.8 mph (-1.4%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour & Test Day @ Virginia International Raceway | Grp 6 T2 T3 T4 STL STU Race 1 | T4 | 83 | Mazda RX-8 | 7/6 | 2:13.012Marc Cefalo | |||||
| North Carolina Region Dual Conference Hoosier SCCA Super Tour & Test Day @ Virginia International Raceway | Grp 6 T2 T3 T4 STL STU Qual | T4 | 83 | Mazda RX-8 | 3/8 | 2:12.559 | 2:10.605Angelica Sprehe | +1.954s (1.50%) | 126.01/8 | 126.0you | +0.0 mph (0.0%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour & Test Day @ Virginia International Raceway | Grp 6 T2 T3 T4 STL STU Prac | T4 | 83 | Mazda RX-8 | 2/8 | 2:12.471 | 2:12.399Marc Cefalo | +0.072s (0.05%) | 124.82/8 | 126.4Angelica Sprehe | -1.5 mph (-1.2%) |
| Runoffs 2023 | T4 Race | T4 | 83 | Mazda RX-8 | 2/23 | 2:12.040 | 2:11.962Devin Anderson | +0.078s (0.06%) | 126.72/23 | 127.6Owen Schefer | -1.0 mph (-0.8%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 3 T2,T3,T4 Race 2 | T4 | 83 | Mazda RX-8 | 13/15 | 2:12.852 | 2:12.852you | +0.000s (0.00%) | 127.81/15 | 127.8you | +0.0 mph (0.0%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 3 T2,T3,T4 Race 1 | T4 | 83 | Mazda RX-8 | 1/16 | 2:20.020 | 2:18.986Devin Anderson | +1.034s (0.74%) | 126.61/16 | 126.6you | +0.0 mph (0.0%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 3 T2,T3,T4 Qual 2 | T4 | 83 | Mazda RX-8 | 1/7 | 2:44.540 | 2:44.540you | +0.000s (0.00%) | 116.01/7 | 116.0you | +0.0 mph (0.0%) |
| North Carolina Region Dual Conference Hoosier SCCA Super Tour @ Virginia International Raceway | Grp 3 T2,T3,T4 Qual 1 | T4 | 83 | Mazda RX-8 | 6/17 | 2:13.859 | 2:10.298Jonathan Neudorf | +3.561s (2.73%) | 125.02/17 | 125.6Angelica Sprehe | -0.6 mph (-0.5%) |
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2023 | T4 Qual 3 | T4 | 83 | Mazda RX-8 | 1/24 | 2:11.393 | 2:11.393you | +0.000s (0.00%) | 125.76/24 | 127.4Nick Leverone | -1.8 mph (-1.4%) |
| Runoffs 2023 | T4 Qual 2 | T4 | 83 | Mazda RX-8 | 9/24 | 2:11.556 | 2:10.514Devin Anderson | +1.042s (0.80%) | 126.62/24 | 127.8Raymond Blethen | -1.2 mph (-0.9%) |
| Runoffs 2023 | T4 Qual 1 | T4 | 83 | Mazda RX-8 | 6/22 | 2:12.716 | 2:11.044Marshall Mast | +1.672s (1.28%) | 121.413/22 | 125.3Raymond Blethen | -3.9 mph (-3.1%) |
#39735 from Christian Braunlich · Taken care of · Minutes (2026-03 Fastrack)
See letter #39230 in February Fastrack.