Doh, didn't he do that last year as well?
What is it Sauber are testing? The car has been out just twice.
Can't imagine they've any data they couldn't have got from driving the car around their factory car park.
"McLaren: 'hydraulic and electrical installation issues'. Everything (car, engine, g'box) won't go together and start. Unlikely to run today"No McLaren today then! wtf is going on.