T4 RX8 Weight Request Back to 3125
#39420 from Alex Lozano · Not recommended · Minutes (2026-02 Fastrack)
Please see letter #39254 in current Fastrack.
BoP Lab / Drivers / Alex Lozano
Alex Lozano 8 letters to Fastrack
Against the front of the class, by track and class
| Track | Class | Sessions | Typical gap to class best | Closest |
|---|---|---|---|---|
| Road America (4.05 mi) | T4 | 30 | +0.601s (0.38%) | +0.000s (0.00%) |
| Mid-Ohio Sports Car Course (2.40 mi) | AS | 5 | +2.636s (2.73%) | +2.238s (2.31%) |
| Mid-Ohio Sports Car Course (2.40 mi) | T4 | 2 | +0.559s (0.55%) | +0.559s (0.55%) |
| Mid-Ohio Sports Car Course (2.53 mi) | T4 | 2 | +0.662s (0.56%) | +0.662s (0.56%) |
| Sebring International Raceway (3.74 mi) | T4 | 4 | +1.654s (1.08%) | +0.000s (0.00%) |
| Indianapolis Motor Speedway (2.59 mi) | AS | 7 | +1.881s (1.70%) | +0.218s (0.19%) |
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.
Road America (4.05 mi)
| 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 | 198 | Mazda RX-8 | 2/12 | 2:35.778 | 2:35.757Matt Spicuzzi | +0.021s (0.01%) | 127.61/12 | 127.6you | +0.0 mph (0.0%) |
| Runoffs 2026 | T4 Qualifying 3 | T4 | 198 | Mazda RX-8 | 2/11 | 2:36.181 | 2:35.876Matt Spicuzzi | +0.305s (0.20%) | 127.42/11 | 127.6Matt Spicuzzi | -0.2 mph (-0.2%) |
| Runoffs 2026 | T3/T4/STL Qualifying 2 | T4 | 198 | Mazda RX-8 | 6/11 | 3:00.589 | 2:57.107Mario Carini | +3.482s (1.97%) | 120.13/11 | 122.5Mario Carini | -2.3 mph (-1.9%) |
| Runoffs 2026 | T3/T4/STL Qualifying 1 | T4 | 198 | Mazda RX-8 | 6/9 | 3:10.482 | 3:00.708Kevin Fryer | +9.774s (5.41%) | 102.07/8 | 120.7Mario Carini | -18.7 mph (-15.5%) |
| Runoffs 2026 | Tue Grp 1 SMX T3 T4 Run 3 | T4 | 198 | Mazda RX-8 | 2/5 | 2:41.992 | 2:40.420Derrick Ambrose | +1.572s (0.98%) | 123.42/5 | 125.7Derrick Ambrose | -2.3 mph (-1.8%) |
| Runoffs 2026 | Tue Grp 1 SMX T3 T4 Run 2 | T4 | 198 | Mazda RX-8 | 1/6 | 2:40.609 | 2:40.609you | +0.000s (0.00%) | 126.11/6 | 126.1you | +0.0 mph (0.0%) |
| Runoffs 2026 | Tue Grp 1 SMX T3 T4 Run 1 | T4 | 198 | Mazda RX-8 | 2/6 | 2:38.014 | 2:38.014you | +0.000s (0.00%) | 127.41/6 | 127.4you | +0.0 mph (0.0%) |
| Runoffs 2025 | T4 National Championship Race | T4 | 1 | Ford Mustang V6 | 2/10 | 2:32.633 | 2:32.633you | +0.000s (0.00%) | 133.71/10 | 133.7you | +0.0 mph (0.0%) |
| Runoffs 2025 | T4 Qual 2 | T4 | 1 | Ford Mustang V6 | 9/8 | 2:35.314Scotty B White | |||||
| Runoffs 2025 | T4 Qual 1 | T4 | 1 | Ford Mustang V6 | 2/9 | 2:33.003 | 2:32.956Matt Spicuzzi | +0.047s (0.03%) | 133.01/9 | 133.0you | +0.0 mph (0.0%) |
| Runoffs 2025 | Wed Grp 1 STL T3 T4 Run 2 | T4 | 1x | Ford Mustang V6 | 9/9 | 2:56.258 | 2:36.389Ethan Barker | +19.869s (12.70%) | 115.28/9 | 125.7Ethan Barker | -10.4 mph (-8.3%) |
| Runoffs 2025 | Wed Grp 1 STL T3 T4 Run 1 | T4 | 1x | Ford Mustang V6 | 2/10 | 2:34.073 | 2:33.195Matt Spicuzzi | +0.878s (0.57%) | 133.32/10 | 133.9Matt Spicuzzi | -0.7 mph (-0.5%) |
| Runoffs 2025 | Tue Grp 1 SMX T3 T4 Run 3 | T4 | 1 | Ford Mustang V6 | 1/5 | 2:34.578 | 2:34.578you | +0.000s (0.00%) | 130.71/5 | 130.7you | +0.0 mph (0.0%) |
| Runoffs 2025 | Tue Grp 1 SMX T3 T4 Run 2 | T4 | 1 | Ford Mustang V6 | 1/5 | 2:34.223 | 2:34.223you | +0.000s (0.00%) | 130.51/5 | 130.5you | +0.0 mph (0.0%) |
| Runoffs 2025 | Tue Grp 1 SMX T3 T4 Run 1 | T4 | 1 | Ford Mustang V6 | 1/5 | 2:35.255 | 2:35.255you | +0.000s (0.00%) | 130.52/5 | 132.6Matt Spicuzzi | -2.1 mph (-1.6%) |
| Runoffs 2025 | Mon Grp 3 EP FP HP B-Spec STL T3 T4 Run 4 | T4 | 1x | Ford Mustang V6 | 1/3 | 2:35.740 | 2:35.740you | +0.000s (0.00%) | 128.81/3 | 128.8you | +0.0 mph (0.0%) |
| Runoffs 2025 | Mon Grp 3 EP FP HP B-Spec STL T3 T4 Run 1 | T4 | 1x | Ford Mustang V6 | 3/5 | 2:40.595 | 2:34.525Matt Spicuzzi | +6.070s (3.93%) | 127.22/5 | 131.5Matt Spicuzzi | -4.3 mph (-3.3%) |
| Runoffs 2024 | T4 Race | T4 | 98 | Mazda RX-8 | 1/14 | 2:34.208 | 2:34.208you | +0.000s (0.00%) | 129.01/14 | 129.0you | +0.0 mph (0.0%) |
| Runoffs 2024 | T4 Qual 3 | T4 | 98 | Mazda RX-8 | 11/15 | 2:40.184 | 2:34.874Marc Cefalo | +5.310s (3.43%) | 123.45/15 | 126.7Raymond Blethen | -3.2 mph (-2.6%) |
| Runoffs 2024 | STL/T4 Qual 2 | T4 | 98 | Mazda RX-8 | 2/12 | 2:34.437 | 2:34.430Matt Spicuzzi | +0.007s (0.00%) | 129.31/12 | 129.3you | +0.0 mph (0.0%) |
| Runoffs 2024 | STL/T4 Qual 1 | T4 | 98 | Mazda RX-8 | 3/13 | 2:36.833 | 2:36.148Matt Spicuzzi | +0.685s (0.44%) | 127.61/13 | 127.6you | +0.0 mph (0.0%) |
| Runoffs 2024 | Run 2 T2, T3, T4, STL Mon | T4 | 98 | Mazda RX-8 | 5/8 | 2:45.667 | 2:37.385Matt Spicuzzi | +8.282s (5.26%) | 125.53/8 | 126.7Matt Spicuzzi | -1.2 mph (-0.9%) |
| Runoffs 2024 | Run 1 T2, T3, T4, STL Mon | T4 | 98 | Mazda RX-8 | 3/5 | 2:36.804 | 2:34.658Scotty B White | +2.146s (1.39%) | 126.73/5 | 132.6Scotty B White | -6.0 mph (-4.5%) |
| Runoffs 2024 | Run 3 SMX, T3, T4 Sun | T4 | 98 | Mazda RX-8 | 12/7 | 2:37.558Chris Haldeman | |||||
| Runoffs 2024 | Run 2 SMX, T3, T4 Sun | T4 | 98 | Mazda RX-8 | 3/10 | 2:37.620 | 2:35.025Scotty B White | +2.595s (1.67%) | 126.72/10 | 132.2Scotty B White | -5.5 mph (-4.2%) |
| Runoffs 2024 | Run 1 SMX, T3, T4 Sun | T4 | 98 | Mazda RX-8 | 2/10 | 2:37.251 | 2:36.726Matt Spicuzzi | +0.525s (0.33%) | 126.82/10 | 127.2Matt Spicuzzi | -0.4 mph (-0.3%) |
| Runoffs 2024 | Run 4 EP, FP GTL, HP, B-Spec, STL, T3, T4 Sat | T4 | 98 | Mazda RX-8 | 7/5 | 2:37.150Marc Cefalo | |||||
| Runoffs 2024 | Run 3 EP, FP GTL, HP, B-Spec, STL, T3, T4 Sat | T4 | 98 | Mazda RX-8 | 6/7 | 2:48.194 | 2:38.080Marc Cefalo | +10.114s (6.40%) | 117.66/7 | 124.0Chris Haldeman | -6.4 mph (-5.2%) |
| Runoffs 2024 | Run 2 EP, FP GTL, HP, B-Spec, STL, T3, T4 Sat | T4 | 98 | Mazda RX-8 | 2/6 | 2:37.564 | 2:36.963Matt Spicuzzi | +0.601s (0.38%) | 124.22/6 | 125.7Matt Spicuzzi | -1.5 mph (-1.2%) |
| Runoffs 2024 | Run 1 EP, FP GTL, HP, B-Spec, STL, T3, T4 Sat | T4 | 98 | Mazda RX-8 | 5/6 | 2:39.025 | 2:03.077Tony Kiratsous | +35.948s (29.21%) | 124.91/6 | 124.9you | +0.0 mph (0.0%) |
Mid-Ohio Sports Car Course (2.40 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ohio Valley Great Lakes Champions 2025 | Grp 5 GT1 GT2 GTX T1 T2 AS Race 2 | AS | 98 | Cadillac CTS V | 2/4 | 1:39.007 | 1:35.980Daniel Richardson | +3.027s (3.15%) | 136.53/4 | 140.7Daniel Richardson | -4.2 mph (-3.0%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 5 GT1 GT2 GTX T1 T2 AS Race 1 | AS | 98 | Cadillac CTS V | 2/4 | 1:39.355 | 1:36.719Daniel Richardson | +2.636s (2.73%) | 136.32/4 | 136.5Daniel Richardson | -0.2 mph (-0.2%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 5 GT1 GT2 GTX T1 T2 AS Qual 2 | AS | 98 | Cadillac CTS V | 3/4 | 1:39.343 | 1:36.828Daniel Richardson | +2.515s (2.60%) | 135.11/4 | 135.1Daniel Richardson | +0.0 mph (0.0%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 5 GT1 GT2 GTX T1 T2 AS Qual 1 | AS | 98 | Cadillac CTS V | 2/4 | 1:39.251 | 1:37.013Daniel Richardson | +2.238s (2.31%) | 136.72/4 | 138.1Daniel Richardson | -1.4 mph (-1.0%) |
| Ohio Valley Great Lakes Champions 2025 | Grp 5 GT1 GT2 GTX T1 T2 AS Practice | AS | 98 | Cadillac CTS V | 4/4 | 1:55.079 | 1:36.938Daniel Richardson | +18.141s (18.71%) | 133.82/4 | 134.9Daniel Richardson | -1.1 mph (-0.8%) |
| Great Lakes Champions 2024 | Grp 1 T2 T3 T4 STL STU Race 2 | T4 | 98 | Mazda RX-8 | 4/7 | 1:41.889 | 1:40.561Marc Cefalo | +1.328s (1.32%) | |||
| Great Lakes Champions 2024 | Grp 1 T2 T3 T4 STL STU Race 1 | T4 | 98 | Mazda RX-8 | 5/8 | 1:42.377 | 1:41.818Marc Cefalo | +0.559s (0.55%) |
Mid-Ohio Sports Car Course (2.53 mi)
| 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 | 98 | Mazda RX-8 | 6/8 | 1:54.976 | 1:48.832Marc Cefalo | +6.144s (5.65%) | |||
| Great Lakes Champions 2024 | Grp 1 T2 T3 T4 STL STU Prac | T4 | 98 | Mazda RX-8 | 2/5 | 1:58.731 | 1:58.069Matt Spicuzzi | +0.662s (0.56%) |
Sebring International Raceway (3.74 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Central Florida 2024 | Grp 7 T2,T3,T4,SMX Race 2 | T4 | 198 | Mazda RX-8 | 8/7 | 2:53.886Jeremy Butz | |||||
| Central Florida 2024 | Grp 7 T2,T3,T4,SMX Race 1 | T4 | 198 | Mazda RX-8 | 2/9 | 2:35.219 | 2:33.565Matt Spicuzzi | +1.654s (1.08%) | 109.52/9 | 110.4Paolo Salvatore | -0.9 mph (-0.8%) |
| Central Florida 2024 | Grp 7 T2,T3,T4,SMX Qual | T4 | 198 | Mazda RX-8 | 1/8 | 2:54.043 | 2:54.043you | +0.000s (0.00%) | 102.55/8 | 105.4Paolo Salvatore | -2.9 mph (-2.8%) |
| Central Florida 2024 | Grp 7 T2,T3,T4,SMX Prac | T4 | 198 | Mazda RX-8 | 5/8 | 2:38.036 | 2:35.241Ryan Heishman | +2.795s (1.80%) | 106.34/8 | 110.4Paolo Salvatore | -4.2 mph (-3.8%) |
Indianapolis Motor Speedway (2.59 mi)
| Event | Session | Class | # | Car | Pos | Best lap | Class best | To class best | Trap | Class trap | To class trap |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Runoffs 2021 | AS Race | AS | 98 | Cadillac CTS-V | 8/28 | 1:54.074 | 1:50.606Gregory Eaton | +3.468s (3.14%) | 142.310/28 | 150.3Thomas Ellis | -8.0 mph (-5.3%) |
| Runoffs 2021 | AS Qual 3 | AS | 98 | Cadillac CTS-V | 4/28 | 1:52.308 | 1:50.427Drew Cattell | +1.881s (1.70%) | 145.59/28 | 153.8James Jost | -8.4 mph (-5.4%) |
| Runoffs 2021 | AS/T1 Qual 2 | AS | 98 | Cadillac CTS-V | 8/29 | 1:53.211 | 1:51.171Gregory Eaton | +2.040s (1.84%) | 142.310/29 | 153.0James Jost | -10.7 mph (-7.0%) |
| Runoffs 2021 | AS Qual 1 | AS | 98 | Cadillac CTS-V | 2/29 | 1:52.890 | 1:52.672Daniel Richardson | +0.218s (0.19%) | 140.09/29 | 149.2Thomas Ellis | -9.2 mph (-6.2%) |
| Runoffs 2021 | Grp 1 Run 3 AS,GT1,1,2,3,STU,T1,2,3,EP Sun | AS | 98x | Cadillac CTS-V | 3/4 | 1:54.682 | 1:53.413Phillip Smith | +1.269s (1.12%) | 143.43/4 | 147.3Phillip Smith | -3.9 mph (-2.7%) |
| Runoffs 2021 | Grp 1 Run 2 AS,GT1,1,2,3,STU,T1,2,3,EP | AS | 98x | Cadillac CTS-V | 3/6 | 1:54.162 | 1:53.518Phillip Smith | +0.644s (0.57%) | 137.75/6 | 148.0Daniel Richardson | -10.4 mph (-7.0%) |
| Runoffs 2021 | Grp 1 Run 1 AS,GT1,1,2,3,STU,T1,2,3,EP | AS | 98x | Cadillac CTS-V | 2/6 | 1:56.295 | 1:54.250Gregory Eaton | +2.045s (1.79%) | 129.55/6 | 144.8Gregory Eaton | -15.3 mph (-10.5%) |
Letters to Fastrack
AS Cadillac CTS-V BOP Weight Change
#38640 from Alex Lozano · Rule change · TB 25-09 (2025-09 Fastrack)
In AS Spec Lines, Cadillac CTS-V (04-07) Restricted Prep., change Weight as follows:
"(Effective 11/1/2025) 3450 3400"
AS Cadillac CTS-V Weight Change BOP
#38076 from Alex Lozano · Not recommended · Minutes (2025-06 Fastrack)
Thank you for your request. With the currently available data this car is correctly classed. The CRB/ASAC recommends you
attend an event in 2025 that will include data collection for all AS cars. This ASAC plans to list all events that will have data
collection soon on the Facebook page.
AS New Full Prep Head Allowance Needs Restrictor or Weight Penalty
#35594 from Alex Lozano · No action required · Minutes (2024-04 Fastrack)
Thank you for your input.
AS Unfair BOP With WDYT Ruleset
#35593 from Alex Lozano · No action required · Minutes (2024-04 Fastrack)
Thank you for your input.
AS Request to Allow CTSV to use Tremec TR6060 Transmission
#33648 from Alex Lozano · Taken care of · Minutes (2024-01 Fastrack)
Thank you for your letter. Transmission ratios are now listed in the Spec line for the 6060
STL 13B Engine- Allow Turbo Engine Intake Manifold
#33646 from Alex Lozano · Not recommended · Minutes (2023-02 Fastrack)
Thank you for your letter. Please see ST general rules 9.1.4.G.1.e.2.. If the adaptor plate solution is not possible, please send in
another letter.
STL Allow Racing Beat Street Port on 13B Engine
#33645 from Alex Lozano · Not recommended · Minutes (2023-02 Fastrack)
Thank you for your letter. Request is against class philosophy.