Who is ready for their head to explode?

"6cyl" (6cyl) 03/04/2014 at 09:59 • Filed to: None

2

5

8 velocity stacks, a pair of 4-2-1 headers, 16 valves, 1.99L, 4 cylinder, 260hp at 8,500rpm. Date? 1966

This is the BMW Aplefbeck from formula 2. Unfortunately I don't have time to give this a proper write up but I just had to share.

Storz > 6cyl 03/04/2014 at 10:02

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Yes please

Satoshi "Zipang" Katsura > 6cyl 03/04/2014 at 10:04

1

JawzX2, Boost Addict. 1.6t, 2.7tt, 4.2t > 6cyl 03/04/2014 at 10:33

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That head is psychotic 60s engineering at it's most awesomely retarded.

kanadanmajava > 6cyl 03/04/2014 at 10:36

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I'm a big fan of this engine. Too bad it didn't saw any other uses besides F2s and it is pretty much unobtainable. Apfelbeck type head was also used in some motorcycle engines and I think some of them might have even seen some production.

Lancia Triflux used quite similar port design but the valves were angled to normal directions.

Tentacle, Dutchman, drives French > 6cyl 03/04/2014 at 10:41

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I'll forgive the engineers for not using a pair of equal length runner exhaust manifolds.