The Lotus 42 was designed by Maurice Phillippe, who had replaced Len Terry as Lotus Chief Designer in May 1965. The Lotus 42 was built at the same time as the 1966 F1 Lotus 43 and both cars were partially based on the Lotus 38 Indycar, due to Chapman’s experience at Indy with larger engine capacity and tyre/suspension setup, and were intended to use BRM’s monstrously complex H16 engine. BRM had convinced Colin Chapman that the 4.2-litre Indianapolis version would be the same size as the F1 version, but would generate 650 bhp, 130 more than the claimed output of the 1966-specification Ford V8. But when the BRM engine was not ready the car, known now as 42F, was modified with a rear frame to take the Ford engine, again. Graham Hill, the 1966 Indy ‘500’ winner, drove the renamed ’42F’ but retired after 23 laps. Neither 42 would be run by Team Lotus again.
| Season | Series | Event |
| 1967 | USAC National Championship | Indianapolis 500 |
| Driver | No. | Entrant |
| Graham Hill | 81 | STP Division of Stubebaker Corp. |
| Chassis | Engine | Car Name |
| Lotus 42F | Ford | STP Oil Treatment Spl. |
| Scale | Manufacturer | Collection |
| 1:43 | Spark | |
| Cat. No. | Quality | Rarity |
| S4275 | 
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