At the risk of being critical, NO 68/69 Coronet,Bee or Roadrunner ran in SS/B, in 68 or 69. The Street Hemis were too slow for that class after 1967.
Below is the factoring for these cars in 1968 and 1969. (NHRA Re-factoring in brackets)
1968
SS/C 7.00-7.69
67 427/425hp 8V, med riser (glass) Fairlane 500 2dr sed (470HP) - 7.02 - 3300
67 427/425hp 8V, med riser steel Fairlane Club 2dr sed (460HP) - 7.17- 3300
67 427/425hp 8V, med riser (glass) Fairlane 500 2dr H/top (470HP) - 7.19 - 3380
67 427/425hp 8V med riser Mercury Comet 202 (460HP) - 7.19 - 3308
68 396/425hp 4V L89 Camaro stick (435HP) - 7.27 - 3162
68 426/425hp 8V in-line Str Hemi Plymouth Roadrunner Coupe (480HP) - 7.43- 3569
67 427/425hp 8V, med riser steel Fairlane 500 2dr H/top (460HP) - 7.43- 3420
67 396/375hp 4V L78 Camaro Coupe stick (425HP) - 7.44 - 3161
68 396/375hp 4V L78 Camaro stick (425HP) - 7.44 - 3162 (SS/C)
68 426/425hp 8V in-line Str Hemi Dodge Superbee (480HP) 7.47 - 3585
68 426/425hp 8V in-line Str Hemi Plymouth Roadrunner H/top (480HP) - 7.49- 3595
68 426/425hp 8V in-line Str Hemi Dodge Coronet Deluxe H/Top (480HP) 7.55 - 3625
66/67 426/425hp 8V in line Street Hemi Plym Belv I 2dr sed(480hp)- 7.58 - 3638
64 426/425hp 8V Alloy Maxwedge 2dr Plym Savoy sed (Cold air) - 7.61 - 3234
67 426/425hp 8V in-line St Hemi Plym Belv Htop RO23 (Cold air) (480hp) - 7.65 - 3672
68 426/425hp 8V Str Hemi Plymouth GTX (480HP) - 7.65 - 3671
68 427/425hp 4V L72 Yenko Chevy Nova auto (435HP) - 7.65- 3325
67 426/425hp 8V in-line St Hemi Coronet H/top WO23 (Cold air) (480hp) - 7.68 - 3676