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A little bit better of a view of the heat exchangers, ducting and oil cooler block off here.
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The engine's coolant surge tank and breather air/oil separator are mounted high on the rear bulkhead. You can see the tall tower like coolant swirl pot in the lower left corner of this picture. It de-aerates the coolant.
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The P70 engine uses a tiny multi disc AP carbon clutch. You can see the very small and light flywheel here.
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If you are not used to how small and compact real race car stuff is the size of the carbon 4 disc clutch is mind blowing. F1 stuff is even smaller than this! The starter ring gear is on the clutch cover.
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The throwout bearing is contained in this very seriously strong looking retainer. I am not sure why it appears to be so overbuilt. Perhaps it is because in a production based tranny the throwout bearing butts up against the transmission case and in this car with its long structural bellhousing, the considerable load of the throwout bearing must be completely supported by this part? Dunno but interesting.
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Looking into the bellhousing, you can see the super long input shaft of the starter and the drive pickup for the alternator and AC pump which I think is driven off of the same ring gear. This is actually a pretty cool idea. The bellhousing is long and pretty beefy as it takes a lot of load from the suspension and aerodynamics.
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