General Motors identifies body types by letters.  For example, the "F-body" or "F" Series
GM/Fisher body vehicle is a Chevrolet Camaro or Pontiac Firebird.  If you see information
that lists the application as "X" that means the GM X body, or Nova/Ventura/Omega/Apollo, etc...
Corvette:  Prior to 1972 the body type was the series designation - 194.
|  | Body Type | Buick | Cadillac | Chevrolet | Oldsmobile | Pontiac | 
| A | Skylark Skylark Custom
 GS/GS 455
 Sportwagon
 Century
 Regal
 | - | Chevelle Malibu Concours
 Estate Wagon
 Nomad
 El Camino
 GMC Sprint
 Laguna
 Monte Carlo
 (A-spec)
 | Cutlass Cutlass Supreme
 442
 Vista Cruiser
 (A-ext)
 F-85
 | Lemans Lemans Sport
 Luxury Lemans
 Grand Am
 T37
 GTO
 Grand Prix
 (A-Spec)
 | - | 
| B | LeSabre LeSabre Custom
 Estate Wagon
 Centurion
 | - | Biscayne Bel Air
 Impala
 Caprice
 | Delta 88 Delta 88 Custom
 Delta 88 Royale
 Custom Cruiser
 | Catalina Broughham
 Bonneville
 Grand Safari
 Grand ville
 | - | 
| C | Electra Electra Custom
 
 | Calais Deville
 Fleetwood
 Broughham (C-Spec)
 | - | Ninty-8 Ninty8 Regency
 | - | - | 
| D | - | Fleetwood 75 | - | - | - | - | 
  | E | Riviera | Eldorado | - | Toronado Toranado Dlx
 | - | - | 
  | F | - | - | Camaro Camaro LT
 Berlinetta
 | - | Firebird Esprit
 Formula
 Trans Am
 | - | 
  | H | Skyhawk (H-Spec) | - | Vega Vega LX
 Monza 2+2
 | Starfire | Astre Sunbird
 | - | 
| K | - | Seville | - | - | - | - | 
| T | - | - | Chevette | - | - | - | 
|  | X | Apollo Skylark
 | - | Nova Nova Custom
 Citation
 | Omega Omega Salon
 | Ventura Ventura SJ
 Phoenix
 | 
|  | Y | - | - | Corvette | - | - |