ENDURANCE / CAR MODEL
Portiac Grand Am
Published car labels, engine references, chassis mentions and the people connected to each race record.
Entry records1From the selected result layers
Published engines0Specific race applicability shown below
Chassis mentions0Publisher uncertainty markers retained
Engine labels
No engine specification is supplied for these race records.
Published chassis serials
No chassis serial is supplied for these race records.
Drivers, teams and results
1 records
| Race | Overall | Car # | Class / source label | Entrant | Crew | Car model | Engine as published | Laps | Evidence |
|---|---|---|---|---|---|---|---|---|---|
| 1981 · Los Angeles Times/Toyota Grand Prix Camel GT, Riverside Int'l Raceway | entry_only | 4 | GTO | North Star Racing | Bill Johnson · Clay Johnson | Portiac Grand Am | — | WSPR historical record |
Matching source model labels are grouped; differently spelled variants remain separate. An engine or chassis mention applies to its cited entry, not automatically every version of this model.