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J. D. McDuffie

American racing driver (1938–1991)


American racing driver (1938–1991)

FieldValue
nameJ. D. McDuffie
imageMcDuffieTheGlen1991-07.jpg
captionMcDuffie in 1991
birth_nameJohn Delphus McDuffie Jr.
birth_date
birth_placeUpper Little River Township, North Carolina, U.S.
death_date
death_placeWatkins Glen, New York, U.S.
death_causeBasilar skull fracture
Total_Cup_Races653
Years_In_Cup27
Best_Cup_Pos9th (1971)
First_Cup_Race1963 Speedorama 200 (Myrtle Beach)
Last_Cup_Race1991 Budweiser at The Glen (Watkins Glen)
Cup_Wins0
Cup_Top_Tens106
Cup_Poles1

John Delphus McDuffie Jr. (December 5, 1938 – August 11, 1991) was an American racing driver. He competed in the NASCAR Winston Cup Series from 1963 to 1991, collecting 106 top-ten finishes during his career, despite never finishing on the lead lap of any race in his career, and holding the record for the most starts in NASCAR's top level without a win with 653. He died in a racing accident during the Budweiser at The Glen at Watkins Glen International in 1991.

Career

After attending his first race in Bowman Gray Stadium at the age of ten, McDuffie was inspired by racers Curtis Turner, Glen Wood, Billy Myers, and others to become a race car driver.

His racing career started in dirt track racing. He picked the No. 70 early on because it was easy to paint and easy to remember.

McDuffie won several small races throughout the Carolinas including a track championship at a small dirt track near Rockingham, North Carolina. He made his NASCAR Grand National (now NASCAR Cup Series) debut in 1963 at the Racing Association of Myrtle Beach, Inc. Speedway near Myrtle Beach, South Carolina driving Curtis Turner’s old 1961 Ford. Though McDuffie was an expert dirt track racer, he never had similar success in NASCAR's premiership. His best NASCAR finish came at the Albany-Saratoga Speedway, in 1971, where he managed to finish third. Meanwhile, his first last-place finish came at the 1963 Pickens 200. In 1978, McDuffie won the pole position for the Delaware 500, his only pole position in Winston Cup competition. Normally a low-budget independent, McDuffie entered into a partnership with Donald Magnum and purchased a chassis from Richard Childress Racing. McDuffie in 1982 also made a start in the final race of the season at Riverside in Junior Johnson's second car, which was entered to protect Darrell Waltrip, who was on his way to winning that season's championship; If Waltrip had an accident in practice or qualifying, McDuffie could relinquish the second car to him and Waltrip would not jeopardize his championship hopes by missing the race.

In the 1988 Daytona 500 qualifying race, McDuffie received second- and third-degree burns in an accident after he raced without fireproof gloves (a practice no longer permitted in NASCAR) because they were stolen before the race.

One day before his fatal accident at Watkins Glen International, McDuffie won a celebrity race in Owego, New York, at the Shangri-La Speedway, not far from Watkins Glen.

McDuffie is still the record holder for the most starts in NASCAR's top touring series without recording a win. His 653 starts rank him 22nd all-time through the end of 2018. McDuffie held the series record for the most last-place finishes with 32 until Joe Nemechek surpassed him in 2014.

In 2016, Front Row Motorsports and Landon Cassill honored McDuffie with a tribute paint scheme during the throwback weekend at Darlington Raceway complete with sponsors that sponsored McDuffie's racing effort.

Death

McDuffie was involved in an accident on the fifth lap of the 1991 Budweiser at The Glen race at Watkins Glen International. On the straight between the esses (Turns 2-3-4) and the Loop-Chute (Turn 5), at 170 mph, McDuffie collided with Jimmy Means after suffering a mechanical failure. McDuffie's left front wheel spindle broke off the car, causing him to lose brakes and hit Means in the right front. This left him no way of stopping the car or steering it, and to further complicate matters, there was no gravel trap in the corner that McDuffie was headed toward. As a result, McDuffie skidded across the grass and hit the Armco outside retaining wall and tire barrier with such force that the car rebounded into the air, rotated 180 degrees, and then came to rest upside-down. Means also crashed into the same corner but was able to slow his vehicle down before the impact; his car collided into the same section of retaining wall as McDuffie's car rotated in mid-air. Means, a fellow independent racer, suffered only minor cuts and bruises in the accident, and got out of his car to check on McDuffie.

After peering into McDuffie's car, Means began frantically signaling for assistance, later saying, "It was so bad that I just had to close my eyes." A host of medical personnel and track workers rushed to the scene. The race was delayed for one hour and forty-eight minutes as McDuffie was removed from his car and his Pontiac was removed from the infield. Also, the wall that McDuffie and Means struck had to be repaired. As the cars got back on the track and cruised under yellow flag conditions, the media attention turned to Chip Williams, NASCAR's PR director, who disclosed that McDuffie had died instantly from head and brain injuries. NASCAR declined to investigate the accident, and McDuffie's car left the track before the conclusion of the race.

McDuffie's basilar skull fracture was presumed to have been caused by rapid head movement to his right rather than an impact. McDuffie's family and crew members have long believed that his injuries were caused by a foreign object entering the vehicle. McDuffie's sponsor, Medford Speed, hired accident investigators, Phil Moser and Terry Shaw, to determine the cause of the fatal injuries. The investigation concluded that upon impact with the tire barrier, a tire from the barrier entered the cockpit through the passenger side window and struck McDuffie on the right side of his head near the jaw, causing his fatal head injuries. The report cited a "black tar-like substance" on the window and damage to McDuffie's helmet foam and microphone tab that was consistent with a tire from the barrier entering the car upon impact.

McDuffie's death led to changes at Watkins Glen and also influenced motorsport safety changes that would come to full fruition at the end of the decade. Six weeks earlier, Camel GT prototype driver Tommy Kendall had a hard crash in the same section during the Camel Continental VIII, when a wheel failed on his Pratt & Miller Intrepid RM-1-Chevrolet prototype, sliding into the barrier, breaking both his legs and sidelining him for the rest of the 1991 season, including the Winston Cup race, where he was set to substitute for Kyle Petty, injured at Talladega in May (Kendall had substituted for Petty at Sears Point earlier in the year). The track was then given a bus stop chicane placed slightly before the entrance of turn five, the section of track in question, and a gravel trap (since paved over after research into motorsport safety proved the advantage of a tarmac runoff), for the 1992 season.

Also, at the time, basilar skull fractures were the subject of developing research by Jim Downing and Bob Hubbard into a head and neck restraint for motorsport. Downing, a champion sports car racer, and his brother-in-law Hubbard, were in the process of developing the HANS device, which had just begun production. McDuffie's death was among the catalysts that led to increased funding by the automakers to continue research into basilar skull fractures as part of motorsport safety improvements, as adoption by sports car drivers of HANS had increased. By the end of the decade, following two CART fatalities in one season and three NASCAR fatalities in a span of five months, and then the start of the next decade with two more fatalities (including that of Dale Earnhardt, Sr.), and research into the head and neck restraints that had quickly been adopted, most motorsport sanctioning bodies mandated head and neck restraints worldwide.

McDuffie's widow, Ima Jean, unsuccessfully sued Watkins Glen for $4.25 million, claiming the barrier McDuffie hit was unsafe. The judge in that case ruled that McDuffie was familiar enough with the track to be aware of the dangers and that mechanical failure caused the accident. The cause of the mechanical failure was never explained as NASCAR did a very brief investigation and the wheel that broke off disappeared before it could be returned to the McDuffie family. From McDuffie's death in 1991 to 2001, notable stock car drivers such as Dale Earnhardt, Adam Petty, Blaise Alexander, and Kenny Irwin Jr. would also die from crashes that caused basilar skull fractures. Research into head and neck restraints would lead to the development of devices such as the HANS device and the Hutchens device. In modern times most motorsport sanctioning bodies worldwide (including NASCAR), mandate drivers to use head and neck restraints. However it wasn't until October 2001, more than ten years after McDuffie's death, that NASCAR mandated that all drivers wear head and neck restraints in the form of a HANS device or a Hutchens device. In January 2005 NASCAR banned the use of the Hutchens device and forced all drivers to use the HANS device instead.

Personal life

McDuffie made Sanford, North Carolina home; the city supported him through struggles much like it did with hometown driver Herb Thomas. McDuffie married Ima Jean Wood in 1959 and together they had two children, Jeff and Linda.

McDuffie is buried at Buffalo Cemetery, Sanford, North Carolina. On August 8, 2021, Ima Jean died at age 83. On October 25, 2024, Jeff died at the age of 62.

Motorsports career results

NASCAR

(key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led.)

Grand National Series

NASCAR Grand National Series resultsYearTeamNo.Make12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455NGNCPtsRef1963McDuffie RacingXFord46th2498761966McDuffie Racing70Ford27th95721967NA01968Buick24th1370196914th2741E.C. Reid09ChevyDon Tarr0ChevyGC Spencer Racing8PlymouthLangley Racing84Ford1970McDuffie Racing70Buick16th2079FordMercuryKen Spikes16Chevy1971McDuffie Racing70Mercury9th2862BuickLubinski Racing88DodgeMcDuffie Racing70ChevyJunior Fields91ChevyWilliams Racing47Ford
BIRGGSTHSRSDDAYDAYDAYPIFAWSHBOATLHCYBRIAUGRCHGPSSBOBGSMARNWSCLBTHSDARODSRCHCLTBIRATLDAYMBS
12SVHDTS
12BGS
ASH
8OBSBRRBRI
19GPS
21NSVCLB
14AWSPIFBGS
12ONADARHCY
8RCHMAR
29DTS
12NWSTHS
10CLTSBOHBO
18RSD
AUGRSDDAYDAYDAYCAR
16BRI
17ATLHCY
7CLB
14GPS
18BGS
10NWS
7MAR
25DAR
DNQLGYMGRMON
11RCH
13CLTDTS
8ASH
8PIF
5SMR
21AWS
13BLV
14GPS
6DAY
21ODS
13BRR
17OXF
18FON
7ISP
21BRI
14SMR
19NSV
23ATL
22CLB
12AWS
24BLV
11BGS
8DARHCY
15RCH
24HBO
23MAR
22NWS
DNQCLTCAR
26
AUG
18RSDDAYDAYDAYAWSBRIGPSBGSATLCLBHCYNWSMARSVHRCHDARBLVLGYCLTASHMGRSMRBIRCARGPSMGYDAYTRNOXFFDAISPBRISMRNSVATLBGSCLBSVHDARHCYRCHBLVHBOMARNWSCLTCARAWS
MGRMGYRSDDAYBRIRCHATLHCYGPSCLBNWSMAR
25AUG
16AWS
19DARBLV
15LGYCLTASH
8MGR
9SMRBIRCAR
7GPS
6DAY
37ISP
19OXF
9FDA
15TRN
19BRI
10SMR
10NSV
11ATL
40CLB
15BGS
16AWS
25SBO
12LGY
11DAR
42HCY
18RCH
28BLV
8HBO
15MAR
16NWS
30AUG
9CLTCAR
35JFC
13
MGR
30MGY
13RSD
29DAYDAY
18DAY
39CAR
29AUG
22BRI
30ATL
16CLB
16HCY
10GPS
16RCH
6NWS
13MAR
14AWS
9DAR
25BLV
19LGY
11CLT
15MGR
10SMR
8MCH
13KPT
15GPS
6NCF
11DOV
12TPN
11TRN
26BLV
9BRI
9NSV
9SMR
13ATL
23MCH
28SBO
12BGS
8AWS
13DAR
25HCY
12RCH
25TAL
DNQCLB
7MAR
DNQSVH
10AUG
29JFC
13MGRTWS
DAY
40
MAR
36CAR
20
NWS
12
CLT
24
RSDDAYDAY
31DAY
DNQRCH
11CAR
13SVH
11ATL
30BRI
6NWS
DNQCLB
8DARBLV
10LGY
16SMR
11MAR
21MCHRSDHCYKPT
7GPS
12CLB
23ONAMCHNCF
19
TAL
DNQDAY
16
CLT
21AST
23TPN
11TRN
23BRI
9SMR
21NSV
5TAL
41BGS
7SBO
7DAR
26HCY
11RCH
15DOV
25NWS
21CLT
15MAR
10MGRCAR
18LGY
8
ATL
39
RSD
15DAYDAY
30DAY
DNQONT
35NWS
20MAR
19DAR
7TAL
33ASH
7CLT
24DOV
12MCH
25RSD
14HOU
10GPS
24DAY
35BRI
9AST
3ISP
16TRN
17NSV
5ATL
17BGS
13ONA
12MCH
18TAL
21CLB
19HCYDAR
DNQMAR
30DOV
26CAR
24TWS
19
RCH
20
CAR
14HCY
BRI
30ATL
25CLB
15GPSSMR
18SBO
7KPT
24MGR
7RCH
19NWS
15
DAR
40
CLT
22

Winston Cup Series

NASCAR Winston Cup Series resultsYearTeamNo.Make12345678910111213141516171819202122232425262728293031NWCCPtsRef1972McDuffie Racing70Chevy18th5075.85Don TarrDodgeGeorge Altheide0DodgeFaustina Racing5Plymouth1973McDuffie Racing70Chevy10th5743.9197412th920.85197518th2745197612th3400Handy Racing33Chevy1977McDuffie Racing70Chevy12th3236197811th3255197913th3473Olds1980Chevy16th2968BuickGray Racing19BuickUlrich Racing40Chevy1981McDuffie Racing70Chevy17th2996Pontiac198219th2886Gordon Racing24BuickJunior Johnson & Associates70Buick1983McDuffie RacingPontiac26th2197Gray Racing19Buick1984McDuffie Racing70Pontiac34th13661985Chevy27th1853PontiacFordBeahr RacingFord1986McDuffie RacingPontiac26th1825Winkle Motorsports198730th1361McDuffie Racing198861st148198944th457199040th557199148th335
RSD
18DAY
24RCH
12ONT
23CAR
DNQATL
DNQBRI
19DAR
19NWS
25MAR
13TAL
34CLT
33DOV
11MCH
16RSD
28TWS
27DAY
28TRN
16ATL
DNQTAL
36MCH
29NSV
10DAR
DNQDOV
24MAR
14NWS
23CLT
DNQCAR
24TWS
14
BRI
5
DAR
15
RCH
30
RSD
32DAY
26RCH
29CAR
29BRI
21ATLNWS
23DAR
5MAR
13TAL
18NSV
9CLT
21DOV
19TWS
10RSD
12MCH
10DAY
40BRI
5ATL
7TAL
11NSV
18DAR
10RCH
29DOV
5NWS
10MAR
10CLT
29CAR
20
RSD
22DAY
28RCH
7CAR
13BRI
12ATL
15DAR
30NWS
8MAR
9TAL
19NSV
7DOV
11CLT
10RSD
17MCH
17DAY
11BRI
11NSV
27ATL
19POC
25TAL
24MCH
13DAR
17RCH
8DOV
12NWS
23MAR
16CLT
21CAR
19ONT
10
RSD
14DAY
33RCHCARBRIATLNWS
13DAR
11MAR
28TAL
29NSV
11DOV
18CLT
11RSD
6MCH
18DAY
22NSV
9POC
27TAL
45MCH
28DAR
33DOV
8NWS
7MAR
30CLT
9RCH
5CAR
20BRI
30ATL
18ONT
21
RSD
19DAY
7CAR
10RCH
21BRI
10ATL
27NWS
5DAR
27MAR
23TAL
27NSV
20DOV
15CLT
25RSD
14MCH
16DAY
24NSV
13POC
21TAL
7MCH
8BRI
23DAR
25RCH
11DOV
7MAR
21NWS
7CLT
23ATL
13ONT
11
CAR
26
RSD
29DAY
13RCH
16CAR
15ATL
31NWS
22DAR
19BRI
20MAR
9TAL
26NSV
24DOV
13CLT
25RSD
33MCH
20DAY
24NSV
8POC
14TAL
8MCH
20BRI
18DAR
12RCH
13DOV
12MAR
17NWS
23CLT
15CAR
10ATL
27ONT
20
RSD
28DAY
30RCH
27CAR
25ATL
16BRI
28DAR
11NWS
7MAR
26TAL
40DOV
34CLT
22NSV
12RSD
24MCH
13DAY
12NSV
5POC
10TAL
17MCH
7BRI
8DAR
20RCH
8DOV
33MAR
22NWS
11CLT
11CAR
12ATL
14ONT
26
RSD
17CAR
25RCH
7NWS
6BRI
26DAR
19MAR
10TAL
31NSV
5DOV
13CLT
13TWS
14RSD
7MCH
14DAY
21NSV
8POC
13TAL
18MCH
9BRI
26DAR
18RCH
14DOV
27MAR
21CLT
22NWS
28CAR
25ATL
12ONT
31
DAY
25ATL
17
RSD
15RCH
9CAR
32ATL
9BRI
13DAR
22NWS
30MAR
30NSV
20DOV
33TWS
29RSD
9MCH
15NSV
11POC
36MCH
20BRI
11DAR
18RCH
29DOV
38NWS
24MAR
26CLT
20CAR
21ATL
17ONT
14
DAY
DNQTAL
41DAY
23TAL
25
DAY
27
CLT
30
RSD
23
DAY
24RCH
10CAR
33ATL
11BRI
22NWS
16DAR
16MAR
30TAL
22NSV
16DOV
23CLT
13TWS
11RSD
12MCH
22DAY
12NSV
20POC
18TALMCH
16BRI
13DAR
21RCHDOV
28MARNWS
12CLT
17CAR
30ATL
23RSD
11
DAY
13RCH
23BRI
19ATL
38CAR
10DAR
36NWS
20MAR
16TAL
18NSV
18DOV
27CLT
33POC
33RSD
25MCH
37DAY
11NSV
25POC
16TAL
22MCH
16BRI
22DAR
16RCH
30DOV
13NWS
30CLT
18MAR
DNQCAR
22ATL
30
MAR
15
RSD
18
DAY
29RCH
25CAR
30DAR
17NWS
DNQMARTAL
DNQNSV
18DOV
23BRI
24CLT
26RSD
24POC
19MCH
34DAYNSV
17POC
25TAL
23MCH
32BRI
25DAR
37RCH
11DOV
36MAR
13NWS
26CLT
DNQCAR
14ATL
32RSD
30
ATL
36
DAY
DNQRCH
23CAR
16ATLBRI
21NWS
24DARMARTALNSV
26DOV
33CLTRSDPOC
39MCH
DNQDAYNSV
DNQPOC
31TAL
DNQMCH
DNQBRI
12DAR
24RCH
28DOV
16MAR
25CLT
DNQNWS
30CAR
36ATL
DNQRSD
30
DAY
DNQATL
23DAY
20TAL
28BRI
DNQDAR
DNQCAR
26
RCH
20CAR
28BRI
27DAR
39NWS
24MAR
24TAL
15CLT
39RSD
42POC
25MCH
31MCH
29RCH
26MAR
15NWS
DNQCLTATL
27RSD
25
DOV
31POC
40
DOV
28
DAY
DNQRCH
16CAR
31ATLBRI
DNQDAR
17NWS
28MAR
18TAL
DNQDOV
20CLT
DNQRSD
14POC
16MCH
35DAY
DNQPOC
19TAL
DNQGLN
25MCH
31BRI
24DAR
34
RCH
28DOV
37MAR
20NWS
26CLT
20CAR
21ATL
DNQRSD
DAY
25CAR
20RCH
16
ATL
40DAR
41NWS
32BRI
21MAR
31TALCLT
DNQDOV
23POC
28RSD
37MCH
DNQDAY
DNQPOC
DNQTAL
25GLN
24MCH
22BRI
DNQDARRCH
DNQDOV
28MAR
17NWS
DNQCLT
DNQCAR
40RSDATL
DNQ
DAY
DNQRCHCARATLDARBRINWSMARTALCLT
DNQDOV
25RSDPOC
DNQMCH
DNQDAYPOC
DNQTAL
DNQGLN
36MCH
DNQBRI
DNQDARRCH
DNQDOV
DNQMAR
DNQCLT
DNQNWS
DNQCAR
DNQPHOATL
DAY
24CAR
37ATL
DNQRCH
DNQDAR
31BRI
DNQNWS
DNQMAR
DNQTAL
DNQCLTDOVSONPOCMCHDAY
DNQPOC
DNQTAL
DNQGLN
35MCH
DNQBRIDAR
36RCH
31DOV
34MAR
DNQCLT
DNQNWSCAR
DNQPHOATL
DNQ
DAY
DNQRCH
DNQCAR
35ATL
DNQDAR
35BRI
27NWS
DNQMARTAL
DNQCLT
DNQDOV
25SONPOC
28MCH
37DAY
DNQPOC
DNQTAL
DNQGLN
22MCH
DNQBRI
DNQDAR
DNQRCH
DNQDOV
40MAR
DNQNWS
DNQCLT
DNQCAR
DNQPHOATL
DAY
DNQRCH
DNQCAR
DNQATLDAR
30BRI
DNQNWS
DNQMAR
DNQTAL
DNQCLT
DNQDOV
31SONPOC
34MCH
DNQDAY
DNQPOC
25TALGLN
40MCHBRIDARRCHDOVMARNWSCLTCARPHOATL
Daytona 500
YearTeamManufacturerStartFinish
1969McDuffie RacingBuick3639
1970DNQ
1971MercuryDNQ
1972Chevrolet1924
19732226
19743028
19751433
1976417
19772413
19782230
1979Oldsmobile2925
1980BuickDNQ
Gray RacingBuick2527
1981McDuffie RacingPontiac4124
19823313
19833729
1984DNQ
1985ChevroletDNQ
1986PontiacDNQ
1987Winkle Motorsports3825
1988McDuffie RacingDNQ
19892924
1990DNQ
1991DNQ

Busch Series

NASCAR Busch Series resultsYearTeamNo.Make1234567891011121314151617181920212223242526272829303132333435NBSCPtsRef1982McDuffie Racing70Pontiac44th548198303Chevy44th542Pontiac198472Olds112th-
DAYRCHBRIMARDAR
16HCYSBOCRWRCHLGYDOV
16HCYCLT
21ASHHCYSBOCAR
21CRWSBOHCYLGYIRPBRIHCYRCHMARCLT
15HCYMAR
DAY
19RCHCAR
32HCYMARNWSSBOGPSLGYDOV
15BRICLT
14SBOHCYROUSBOROUCRWROUSBOHCYLGYIRPGPSBRIHCY
DAR
11RCHNWSSBOMARROUCLTHCYMAR
DAYRCHCARHCYMARDARROUNSVLGYMLWDOVCLT
8SBOHCYROUSBOROUHCYIRPLGYSBOBRIDARRCHNWSCLTHCYCARMAR

ARCA Permatex SuperCar Series

(key) (Bold – Pole position awarded by qualifying time. Italics – Pole position earned by points standings or practice time. * – Most laps led.)

ARCA Permatex SuperCar Series resultsYearTeamNo.Make1234567891011121314151617181920APSCPtsRef197681DodgeNA01983McDuffie Racing7PontiacNA0198472OldsNA01986McDuffie Racing77Pontiac67th-781988McDuffie Racing79Pontiac115th-198974th-19907079th-199162nd-08Olds
SLMDAYQCSFMSTAL
28QCSAVSSLMFRSTOLNSVTOLSLM
DAYNSVTAL
34LPRLPRISFIRPSSPFRSBFSWINLPRPOCTALMCSFRSMILDSFZANSND
DAYATLTALCSPSMSFRSMCSLCSIRPTAL
21FRSISFDSFTOLMGR
ATLDAYATLTAL
31SIRSSPFRSKILCSP
TAL
6BLNISFDSFTOLMCSATL
DAYATLTALFRSPCSROCPOCWINKILACSSLMPOCTALDELFRSISFDSFSLMATL
10
DAY
41ATL
39KILTALFRSPOCKILHAGPOCTALDELFRSISFTOLDSFSLMATL
DAYATLKILTALFRSPOCKILTOLHAGPOCTAL
16MCH
22ISFTOLDSFWINDELATL
DAYATLKILTAL
25TOLFRSMCH
13KILFRSDELPOCTALHPTMCHISFTOLDSFTWSATL
POC
19
Results before 1979 may be incomplete.

References

References

  1. (2018). "J. D.: The Life and Death of a Forgotten NASCAR Legend". Waldorf Books.
  2. http://www.nascardriveroftheday.com/2010/01/jd-mcduffie.html JD McDuffie Bio
  3. ESPN coverage of the 1991 Budweiser at the Glen
  4. Aumann, Mark. (February 16, 2010). "Law student has affinity for those guys who finish last". Turner Sports Interactive, Inc..
  5. [https://brockbeard.blogspot.com/2009/01/overall-last-place-finishers-1949.html LASTCAR: CUP: Most Last-Place Finishes.] Retrieved April 6, 2014.
  6. "12 Aug 1991, Page 15 - The Anniston Star at Newspapers.com". Newspapers.com.
  7. "12 Aug 1991, Page 11 - The Anniston Star at Newspapers.com". Newspapers.com.
  8. Hinton, Ed. (February 11, 2001). "Head Impact Isn't Necessary in Fatal Crashes". [[Los Angeles Times]].
  9. (September 5, 1993). "SPORTS PEOPLE: AUTO RACING; Track Found Not Liable".
  10. "J.D. McDuffie – 1963 NASCAR Grand National Results". Racing-Reference.
  11. "J.D. McDuffie – 1966 NASCAR Grand National Results". Racing-Reference.
  12. "J.D. McDuffie – 1967 NASCAR Grand National Results". Racing-Reference.
  13. "J.D. McDuffie – 1968 NASCAR Grand National Results". Racing-Reference.
  14. "J.D. McDuffie – 1969 NASCAR Grand National Results". Racing-Reference.
  15. "J.D. McDuffie – 1970 NASCAR Grand National Results". Racing-Reference.
  16. "J.D. McDuffie – 1971 NASCAR Winston Cup Results". Racing-Reference.
  17. "J.D. McDuffie – 1972 NASCAR Winston Cup Results". Racing-Reference.
  18. "J.D. McDuffie – 1973 NASCAR Winston Cup Results". Racing-Reference.
  19. "J.D. McDuffie – 1974 NASCAR Winston Cup Results". Racing-Reference.
  20. "J.D. McDuffie – 1975 NASCAR Winston Cup Results". Racing-Reference.
  21. "J.D. McDuffie – 1976 NASCAR Winston Cup Results". Racing-Reference.
  22. "J.D. McDuffie – 1977 NASCAR Winston Cup Results". Racing-Reference.
  23. "J.D. McDuffie – 1978 NASCAR Winston Cup Results". Racing-Reference.
  24. "J.D. McDuffie – 1979 NASCAR Winston Cup Results". Racing-Reference.
  25. "J.D. McDuffie – 1980 NASCAR Winston Cup Results". Racing-Reference.
  26. "J.D. McDuffie – 1981 NASCAR Winston Cup Results". Racing-Reference.
  27. "J.D. McDuffie – 1982 NASCAR Winston Cup Results". Racing-Reference.
  28. "J.D. McDuffie – 1983 NASCAR Winston Cup Results". Racing-Reference.
  29. "J.D. McDuffie – 1984 NASCAR Winston Cup Results". Racing-Reference.
  30. "J.D. McDuffie – 1985 NASCAR Winston Cup Results". Racing-Reference.
  31. "J.D. McDuffie – 1986 NASCAR Winston Cup Results". Racing-Reference.
  32. "J.D. McDuffie – 1987 NASCAR Winston Cup Results". Racing-Reference.
  33. "J.D. McDuffie – 1988 NASCAR Winston Cup Results". Racing-Reference.
  34. "J.D. McDuffie – 1989 NASCAR Winston Cup Results". Racing-Reference.
  35. "J.D. McDuffie – 1990 NASCAR Winston Cup Results". Racing-Reference.
  36. "J.D. McDuffie – 1991 NASCAR Winston Cup Results". Racing-Reference.
  37. "J.D. McDuffie – 1982 NASCAR Budweiser Late Model Sportsman Series Results". Racing-Reference.
  38. "J.D. McDuffie – 1983 NASCAR Budweiser Late Model Sportsman Series Results". Racing-Reference.
  39. "J.D. McDuffie – 1984 NASCAR Busch Grand National Series Results". Racing-Reference.
  40. "J. D. McDuffie – 1976 Season Results ARCA Racing Series". TheThirdTurn.
  41. "J. D. McDuffie – 1983 ARCA Permatex SuperCar Series Results". Racing-Reference.
  42. "J. D. McDuffie – 1984 ARCA Permatex SuperCar Series Results". Racing-Reference.
  43. "J.D. McDuffie – 1986 ARCA Permatex SuperCar Series Results". Racing-Reference.
  44. "J.D. McDuffie – 1988 ARCA Permatex SuperCar Series Results". Racing-Reference.
  45. "J.D. McDuffie – 1989 ARCA Permatex SuperCar Series Results". Racing-Reference.
  46. "J.D. McDuffie – 1990 ARCA Permatex SuperCar Series Results". Racing-Reference.
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