Roger Welling — BoP Lab

Roger Welling 2 letters to Fastrack

Overall · since 2017

7entries

6starts

0wins

1podiums

2top 5

P2best finish

P4.7avg finish

0fastest laps

0poles

3DNFs

5DNS

48laps raced

6seasons

4tracks

3classes

Runoffs · since 2023

1entry

1starts

0wins

0podiums

0top 5

P10best finish

0fastest laps

0poles

1DNFs

0DNS

8laps raced

1seasons

1tracks

1classes

Super Tour · since 2017

6entries

5starts

0wins

1podiums

2top 5

P2best finish

P4.7avg finish

0fastest laps

0poles

2DNFs

5DNS

40laps raced

5seasons

3tracks

3classes

Against the front of the class, by track and class

Track	Class	Sessions	Typical gap to class best	Closest
Watkins Glen International (3.40 mi)	FP	4	+20.430s (15.62%)	+19.509s (14.79%)
Watkins Glen International (3.40 mi)	GTL	5	+15.539s (11.66%)	+12.680s (9.49%)
Watkins Glen International (3.40 mi)	HP	9	+22.013s (15.79%)	+6.411s (4.55%)
Virginia International Raceway · Vir (3.27 mi)	GTL	4	+34.276s (26.34%)	+23.509s (17.91%)
Pittsburgh International Race Complex (2.78 mi)	GTL	5	+16.927s (13.88%)	+16.927s (13.88%)
Laguna Seca	HP	1

Track

Class

Sessions

Typical gap to class best

Closest

Watkins Glen International (3.40 mi)

+20.430s (15.62%)

+19.509s (14.79%)

Watkins Glen International (3.40 mi)

GTL

+15.539s (11.66%)

+12.680s (9.49%)

Watkins Glen International (3.40 mi)

+22.013s (15.79%)

+6.411s (4.55%)

Virginia International Raceway · Vir (3.27 mi)

GTL

+34.276s (26.34%)

+23.509s (17.91%)

Pittsburgh International Race Complex (2.78 mi)

GTL

+16.927s (13.88%)

Laguna Seca

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.

Every session

Watkins Glen International (3.40 mi)

Event	Date	Session	Class	#	Car	Pos	Best lap	Class best	To class best	Trap	Class trap	To class trap
Super Tour Jun 2026	2026-06-21	Grp 7 EP FP HP B-Spec Race 2	FP	78	Nissan 200sx	8/7		2:11.362Doug Weaver
Super Tour Jun 2026	2026-06-20	Grp 7 EP FP HP B-Spec Race 1	FP	78	Nissan 200sx	8/8	2:31.424	2:11.915Doug Weaver	+19.509s (14.79%)	107.98/8	127.4Doug Weaver	-19.5 mph (-15.3%)
Super Tour Jun 2026	2026-06-20	Grp 7 EP FP HP B-Spec Qualifying 2	FP	78	Nissan 200sx	8/8	2:31.241	2:10.811Craig Chima	+20.430s (15.62%)	105.18/8	124.8Doug Weaver	-19.7 mph (-15.8%)
Super Tour Jun 2026	2026-06-19	Grp 7 EP FP HP B-Spec Qualifying 1	FP	78	Nissan 200sx	7/7	2:38.436	2:12.464Doug Weaver	+25.972s (19.61%)	98.47/7	124.8Doug Weaver	-26.4 mph (-21.2%)
Super Tour Jun 2021	2021-06-20	Grp 1 EP,FP,HP,GTL,B-Spec Race 2	GTL	78	Nissan 200sx	5/3		2:11.491Graham Fuller
Super Tour Jun 2021	2021-06-19	Grp 1 EP,FP,HP,GTL,B-Spec Race 1	GTL	78	Nissan 200sx	4/4	2:26.288	2:13.608Graham Fuller	+12.680s (9.49%)	105.74/4	123.1Graham Fuller	-17.4 mph (-14.2%)
Super Tour Jun 2021	2021-06-19	Grp 1 EP,FP,HP,GTL,B-Spec Qual 2	GTL	78	Nissan 200sx	5/5	2:28.847	2:13.308Graham Fuller	+15.539s (11.66%)	108.04/5	124.2James Gregorius	-16.2 mph (-13.0%)
Super Tour Jun 2021	2021-06-18	Grp 1 EP,FP,HP,GTL,B-Spec Qual 1	GTL	78	Nissan 200sx	5/5	2:34.147	2:14.782Graham Fuller	+19.365s (14.37%)	103.45/5	121.8Graham Fuller	-18.4 mph (-15.1%)
Super Tour Jun 2021	2021-06-18	Grp 1 EP,FP,HP,GTL,B-Spec Prac	GTL	78	Nissan 200sx	5/4		2:17.254James Gregorius
Super Tour Jun 2018	2018-06-24	Grp 1 EP,FP,HP,GTL,B-Spec Race 2	HP	78	Nissan 510	2/6	2:27.330	2:20.919William Nick Engels	+6.411s (4.55%)
Super Tour Jun 2018	2018-06-23	Grp 1 EP,FP,HP,GTL,B-Spec Race 1	HP	78	Nissan 510	7/7	3:27.249	2:18.214William Nick Engels	+69.035s (49.95%)
Super Tour Jun 2018	2018-06-23	Grp 1 EP,FP,HP,GTL,B-Spec Qual 2	HP	78	Nissan 510	5/2		2:47.713Tom Broring
Super Tour Jun 2018	2018-06-22	Grp 1 EP,FP,HP,GTL,B-Spec Qual 1	HP	78	Nissan 510	6/7	2:28.280	2:19.908Ron Bartell	+8.372s (5.98%)
Super Tour Jun 2018	2018-06-22	Grp 1 EP,FP,HP,GTL,B-Spec Prac	HP	78	Nissan 510	5/6	2:30.590	2:18.638Ron Bartell	+11.952s (8.62%)
Super Tour Jun 2017	2017-06-25	Grp 6 EP,FP,HP,GTL Race 2	HP	78	128810	9/8		2:17.236Jack Banha
Super Tour Jun 2017	2017-06-24	Grp 6 EP,FP,HP,GTL Race 1	HP	78	128810	9/9	2:41.408	2:19.395Jack Banha	+22.013s (15.79%)
Super Tour Jun 2017	2017-06-24	Grp 6 EP,FP,HP,GTL Qual 2	HP	78	128810	9/9	2:46.322	2:18.125Jack Banha	+28.197s (20.41%)
Super Tour Jun 2017	2017-06-23	Grp 6 EP,FP,HP,GTL Practice	HP	78	128810	7/9	2:44.869	2:19.466Jack Banha	+25.403s (18.21%)

Event

Date

Session

Class

Car

Pos

Best lap

Class best

To class best

Trap

Class trap

To class trap

Super Tour Jun 2026

2026-06-21

Grp 7 EP FP HP B-Spec Race 2

Nissan 200sx

8/7

2:11.362Doug Weaver

Super Tour Jun 2026

2026-06-20

Grp 7 EP FP HP B-Spec Race 1

Nissan 200sx

8/8

2:31.424

2:11.915Doug Weaver

+19.509s (14.79%)

107.98/8

127.4Doug Weaver

-19.5 mph (-15.3%)

Super Tour Jun 2026

2026-06-20

Grp 7 EP FP HP B-Spec Qualifying 2

Nissan 200sx

8/8

2:31.241

2:10.811Craig Chima

+20.430s (15.62%)

105.18/8

124.8Doug Weaver

-19.7 mph (-15.8%)

Super Tour Jun 2026

2026-06-19

Grp 7 EP FP HP B-Spec Qualifying 1

Nissan 200sx

7/7

2:38.436

2:12.464Doug Weaver

+25.972s (19.61%)

98.47/7

124.8Doug Weaver

-26.4 mph (-21.2%)

Super Tour Jun 2021

2021-06-20

Grp 1 EP,FP,HP,GTL,B-Spec Race 2

GTL

Nissan 200sx

5/3

2:11.491Graham Fuller

Super Tour Jun 2021

2021-06-19

Grp 1 EP,FP,HP,GTL,B-Spec Race 1

GTL

Nissan 200sx

4/4

2:26.288

2:13.608Graham Fuller

+12.680s (9.49%)

105.74/4

123.1Graham Fuller

-17.4 mph (-14.2%)

Super Tour Jun 2021

2021-06-19

Grp 1 EP,FP,HP,GTL,B-Spec Qual 2

GTL

Nissan 200sx

5/5

2:28.847

2:13.308Graham Fuller

+15.539s (11.66%)

108.04/5

124.2James Gregorius

-16.2 mph (-13.0%)

Super Tour Jun 2021

2021-06-18

Grp 1 EP,FP,HP,GTL,B-Spec Qual 1

GTL

Nissan 200sx

5/5

2:34.147

2:14.782Graham Fuller

+19.365s (14.37%)

103.45/5

121.8Graham Fuller

-18.4 mph (-15.1%)

Super Tour Jun 2021

2021-06-18

Grp 1 EP,FP,HP,GTL,B-Spec Prac

GTL

Nissan 200sx

5/4

2:17.254James Gregorius

Super Tour Jun 2018

2018-06-24

Grp 1 EP,FP,HP,GTL,B-Spec Race 2

Nissan 510

2/6

2:27.330

2:20.919William Nick Engels

+6.411s (4.55%)

Super Tour Jun 2018

2018-06-23

Grp 1 EP,FP,HP,GTL,B-Spec Race 1

Nissan 510

7/7

3:27.249

2:18.214William Nick Engels

+69.035s (49.95%)

Super Tour Jun 2018

2018-06-23

Grp 1 EP,FP,HP,GTL,B-Spec Qual 2

Nissan 510

5/2

2:47.713Tom Broring

Super Tour Jun 2018

2018-06-22

Grp 1 EP,FP,HP,GTL,B-Spec Qual 1

Nissan 510

6/7

2:28.280

2:19.908Ron Bartell

+8.372s (5.98%)

Super Tour Jun 2018

2018-06-22

Grp 1 EP,FP,HP,GTL,B-Spec Prac

Nissan 510

5/6

2:30.590

2:18.638Ron Bartell

+11.952s (8.62%)

Super Tour Jun 2017

2017-06-25

Grp 6 EP,FP,HP,GTL Race 2

128810

9/8

2:17.236Jack Banha

Super Tour Jun 2017

2017-06-24

Grp 6 EP,FP,HP,GTL Race 1

128810

9/9

2:41.408

2:19.395Jack Banha

+22.013s (15.79%)

Super Tour Jun 2017

2017-06-24

Grp 6 EP,FP,HP,GTL Qual 2

128810

9/9

2:46.322

2:18.125Jack Banha

+28.197s (20.41%)

Super Tour Jun 2017

2017-06-23

Grp 6 EP,FP,HP,GTL Practice

128810

7/9

2:44.869

2:19.466Jack Banha

+25.403s (18.21%)

Virginia International Raceway · Vir (3.27 mi)

Event	Date	Session	Class	#	Car	Pos	Best lap	Class best	To class best	Trap	Class trap	To class trap
Runoffs 2023 · Vir	2023-10-01	GTL Race	GTL	78	Nissan 200SX	10/10	2:34.786	2:11.277Graham Fuller	+23.509s (17.91%)	96.110/10	123.8James Gregorius	-27.6 mph (-22.3%)
Runoffs 2023 · Vir Alt	2023-09-28	FP/GTL Qual 3	GTL	78	Nissan 200SX	11/11	2:47.793	2:09.564Peter Shadowen	+38.229s (29.51%)	90.511/11	142.7Peter Shadowen	-52.2 mph (-36.6%)
Runoffs 2023 · Vir Alt	2023-09-27	GTL Qual 2	GTL	78	Nissan 200SX	11/11	2:44.413	2:10.137Peter Shadowen	+34.276s (26.34%)	101.310/11	131.7Peter Shadowen	-30.4 mph (-23.1%)
Runoffs 2023 · Vir Alt	2023-09-26	FP/GTL Qual 1	GTL	78	Nissan 200SX	10/10	2:48.290	2:11.224Peter Shadowen	+37.066s (28.25%)	95.010/10	130.3Peter Shadowen	-35.2 mph (-27.0%)

Event

Date

Session

Class

Car

Pos

Best lap

Class best

To class best

Trap

Class trap

To class trap

Runoffs 2023 · Vir

2023-10-01

GTL Race

GTL

Nissan 200SX

10/10

2:34.786

2:11.277Graham Fuller

+23.509s (17.91%)

96.110/10

123.8James Gregorius

-27.6 mph (-22.3%)

Runoffs 2023 · Vir Alt

2023-09-28

FP/GTL Qual 3

GTL

Nissan 200SX

11/11

2:47.793

2:09.564Peter Shadowen

+38.229s (29.51%)

90.511/11

142.7Peter Shadowen

-52.2 mph (-36.6%)

Runoffs 2023 · Vir Alt

2023-09-27

GTL Qual 2

GTL

Nissan 200SX

11/11

2:44.413

2:10.137Peter Shadowen

+34.276s (26.34%)

101.310/11

131.7Peter Shadowen

-30.4 mph (-23.1%)

Runoffs 2023 · Vir Alt

2023-09-26

FP/GTL Qual 1

GTL

Nissan 200SX

10/10

2:48.290

2:11.224Peter Shadowen

+37.066s (28.25%)

95.010/10

130.3Peter Shadowen

-35.2 mph (-27.0%)

Pittsburgh International Race Complex (2.78 mi)

Event	Date	Session	Class	#	Car	Pos	Best lap	Class best	To class best	Trap	Class trap	To class trap
Cumberland Classic 2021	2021-05-02	Grp 4 EP. FP, HP, GTL, B-Spec Race 2	GTL	78	Nissan 200sx	3/2		2:00.286Graham Fuller
Cumberland Classic 2021	2021-05-01	Grp 4 EP. FP, HP, GTL, B-Spec Race 1	GTL	78	Nissan 200sx	3/2		1:59.247Graham Fuller
Cumberland Classic 2021	2021-05-01	Grp 4 EP. FP, HP, GTL, B-Spec Qual 2	GTL	78	Nissan 200sx	3/3	2:46.212	2:04.481Graham Fuller	+41.731s (33.52%)	76.43/3	106.7Graham Fuller	-30.3 mph (-28.4%)
Cumberland Classic 2021	2021-04-30	Grp 4 EP. FP, HP, GTL, B-Spec Qual 1	GTL	78	Nissan 200sx	2
Cumberland Classic 2021	2021-04-30	Grp 4 EP. FP, HP, GTL, B-Spec Practice	GTL	78	Nissan 200sx	2/2	2:18.864	2:01.937Graham Fuller	+16.927s (13.88%)

Event

Date

Session

Class

Car

Pos

Best lap

Class best

To class best

Trap

Class trap

To class trap

Cumberland Classic 2021

2021-05-02

Grp 4 EP. FP, HP, GTL, B-Spec Race 2

GTL

Nissan 200sx

3/2

2:00.286Graham Fuller

Cumberland Classic 2021

2021-05-01

Grp 4 EP. FP, HP, GTL, B-Spec Race 1

GTL

Nissan 200sx

3/2

1:59.247Graham Fuller

Cumberland Classic 2021

2021-05-01

Grp 4 EP. FP, HP, GTL, B-Spec Qual 2

GTL

Nissan 200sx

3/3

2:46.212

2:04.481Graham Fuller

+41.731s (33.52%)

76.43/3

106.7Graham Fuller

-30.3 mph (-28.4%)

Cumberland Classic 2021

2021-04-30

Grp 4 EP. FP, HP, GTL, B-Spec Qual 1

GTL

Nissan 200sx

Cumberland Classic 2021

2021-04-30

Grp 4 EP. FP, HP, GTL, B-Spec Practice

GTL

Nissan 200sx

2/2

2:18.864

2:01.937Graham Fuller

+16.927s (13.88%)

Laguna Seca

Event	Date	Session	Class	#	Car	Pos	Best lap	Class best	To class best	Trap	Class trap	To class trap
Super Tour Jul 2019	2019-07-28	Warm up	HP	78	Nissan 510	2

Event

Date

Session

Class

Car

Pos

Best lap

Class best

To class best

Trap

Class trap

To class trap

Super Tour Jul 2019

2019-07-28

Warm up

Nissan 510

Letters to Fastrack

2024-11-01 GTL GTL Alternate Weight and Choke Option for L16 engine

#36653 from Roger Welling · Rule change · TB 24-10 (2024-10 Fastrack)

In GTL Spec Lines, Engines - NISSAN, L16 (limited Prep), change notes as follows:
"(Effective 11/1/2024) Alt. chokes: 32mm @1910 lbs. Comp. Ratio limited to 12.0:1. Valve lift limited to .450”. Valve size: (I)
41.9mm (E) 33.0mm. Drysump and alternate connecting rods allowed. Refer to PCS 9.1.5.E.2.a.e.f.g.h.i for permitted limited
level 2 build specs."

2020-06-01 GT3 Request Nissan KA24E specifications

#28808 from Roger Welling · Rule change · TB 20-06 (2020-06 Fastrack)

In GT3, Engines - NISSAN, KA24E, change as follows:
"~~For 2011-2012 only, may use 32mm chokes at 2280 lbs.~~'