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  McLaren MP4/1B Cosworth      

  Article Image gallery (55) Chassis (2) MP4/1B - 5 Specifications  
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Country of origin:Great Britain
Produced in:1982
Numbers built:3
Designed by:John Barnard for McLaren
Predecessor:McLaren MP4/1 Cosworth
Successor:McLaren MP4/1C Cosworth
Author:Wouter Melissen
Last updated:July 13, 2009
Download: All images
Chassis: MP4/1B - 5
A new MP4/1 built for the 1982 season, this chassis was reserved exclusively for John Watson. He debuted with a sixth at the South African Grand Prix and then placed second in Brazil. He would go on to famously win the inaugural United States Grand Prix at Detroit. Watson also was on the podium with chassis 5 in Canada and during the Caesar Palace Grand Prix held in Las Vegas. Ahead of the 1983 season, it was upgraded to MP4/1C configuration but served as a spare only. Later in the year, the all-new TAG Porsche V6 engine was fitted. Watson brought the car back out in this configuration but with little luck. Superseded by the MP4/2, this car was eventually sold off and prepared for historic racing. It was acquired by the current custodian during the late 2010s, and has been used in historic racing since 2019.

Chassis details
Manufactured in 1982
First owner McLaren Racing
Major wins
1982 Detroit Grand Prix (John Watson)
Last known location British Historic Racer
Appearances

2023 Spa Six Hours 2023 Spa Six Hours 2023 Spa Six Hours 2023 Spa Six Hours
2023 Spa Six Hours 2023 Spa Six Hours 2023 Spa Six Hours 2023 Spa Six Hours
2023 Spa Six Hours 2023 Spa Six Hours 2023 Spa Six Hours 2023 Spa Six Hours
2023 Spa Six Hours 2023 Spa Six Hours

  Article Image gallery (55) Chassis (2) MP4/1B - 5 Specifications