1 Blueprint detail : SPEC
5 Carne ___ (grilled beef dish) : ASADA
10 Put up with : ABIDE
15 Italian currency before the euro : LIRA
16 ___ Jackson, N.F.L. M.V.P. in 2019 and 2023 : LAMAR
17 Century 21 rival : REMAX
18 Big name in car rentals : AVIS
19 For which 7-7-7 might be a jackpot : SLOTMACHINE
21 Chocolate/coffee mix : MOCHA
23 “A Boy Named ___,” Johnny Cash’s highest-charting single on the Billboard Hot 100 : SUE
24 Golf gaffes : SHANKS
25 Something a loyal customer may redeem for a free drink : STAMPCARD
27 Contact list no. : TEL
28 Grandson of Adam and Eve : ENOS
29 What adequate ventilation provides : AIRFLOW
33 Fancy party : SOIREE
36 Boxer who lit the cauldron at the 1996 Olympics : ALI
38 ___-Wan Kenobi : OBI
39 Repeatedly … or what can precede both halves of the answers to 19-, 25-, 53- and 63-Across? : TIMEANDTIMEAGAIN
44 Tour de France peak : ALP
45 Strike caller : UMP
46 Forgery and perjury, for two : CRIMES
47 Gov. Kathy Hochul’s domain : NYSTATE
51 The Gaels of the N.C.A.A. : IONA
52Not let go to waste : USE
53 Taboo : OFFLIMITS
58 Political position : STANCE
61 1,002, in Roman numerals : MII
62 “Peter, Peter, Pumpkin ___” : EATER
63 Historical drama, e.g. : PERIODPIECE
66 Sugar servings: Abbr. : TSPS
67 Ain’t how it should be? : ARENT
68 Gillette razors : ATRAS
69 Work endless hours : TOIL
70 Hosiery mishaps : SNAGS
71 “Bye Bye Bye” band : NSYNC
72 Fictional archaeologist with a fear of snakes, informally : INDY