Aah, just spotted that rare animal - a spare moment...
August 4, 1967 - The prototype BRM P101 3-litre V12 engine 101-001 FIRST RUN - 352bhp @ 9,500rpm.
August 14, 1967 - Engine 101-001powered the McLaren-BRM M5A during its first test at Goodwood.
August 14, 1967 - Engine 101-003 first run - 369bhp @ 9,750rpm
October 31, 1967 - Engine 121-002 (2.5-litre Tasman V12) first run - 309bhp @ 9,900rpm
November 8, 1967 - Engine 121-001 (2.5-litre Tasman V12) "first proving run" - 311bhp @ 9,900rpm on 18-inch megaphone exhausts - 318bhp @ 10,250rpm on 24-inch megaphone exhausts
November 16, 1967 - Engine 121-003 (2.5-litre Tasman V12) first run - 320bhp @ 10,500rpm
November 20, 1967 - Engine 101-003 (3-litre V12) first run - 365bhp @ 9,750rpm
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As of November 16, 1967 BRM had three complete P101 3-litre V12s and three P121 2.5-litre V12s
101001 was for McLaren
101-002 was for Cooper
101-003 was for BRM's own use in the South African GP "on sea so no development engine available"...
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Engines taken to Kyalami for the South African GP on January 1, 1968
H16 7505 - 353bhp @10,500rpm
H16 7506 - 363bhp @ 10,000rpm
V12 101-003 - 366bhp @ 9,750rpm used in race by Pedro Rodriguez in car P126-03
V12 101-007 - 382bhp @9,750rpm (such a high figure probably a record-keeping error - more like 362 or 372???)
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March 17, 1968 Race of Champions Brands Hatch - Mike Spence used engine 101-007 in car P126-03 - Pedro Rodriguez used engine 101-009 in car P133-01
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April 27, 1968 BRDC International Trophy Silverstone - Rodriguez ran 101-003 in car P133-01 - Spence ran 101-009 in car P126-03 - engine 101-006 was in spare car P133-02 - Piers Courage ran 101-004 in P126...and so on...
By May 26, 1968 Monaco Grand Prix - Pedro Rodriguez ran 101-019 in car P133-02 - there is much mention of engine 019 but no mention of engine not 010-018 until September 8, 1968 Italian GP - Pedro Rodriguez used 101-018 for the race in
car P138-01.
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On January 11, 1969 engine 101-019 produced 404bhp @ 10,000rpm on the dyno
January 18, 1969 - engine 101-006 produced 393bhp @ 9,750rpm
January 16, 1969 - engine 101-009 produced 393bhp @ 9,600rpm
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February 18, 1969 - February 26, 1969 - BRM P142 prototype 48-valve V12 engine 142-001 produced 441bhp @ circa 9,300rpm FIRST RUN
February 26, 1969 - BRM P142 48-valve V12 engine 142-002 on first run produced 455bhp @ 10,750rpm
February 28, 1969 - BRM P142 48-valve V12 engine 142-001 produced 453bhp @ 10,350rpm on the dyno
February 28, 1969 - BRM P142 48-valve V12 engine 142-001 produced 453bhp @ 10,500rpm on the dyno when fitted with upstream fuel injection
March 22, 1969 - BRM P142 48-valve V12 engine 142-001 produced 453bhp @ 10,750rpm on the dyno when fitted with downstream fuel injection
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The works team's P142 48-valve V12 engines used in 1969 were 142-001-006 inclusive.
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DCN
Edited by Doug Nye, 10 January 2020 - 20:54.