[Henchster]

A huge team like McLaren can’t even keep the bodywork from melting when it is snowing?

Meanwhile, tiny Toro Rosso integrated their new engine with a different architecture with virtually no problems.

[Lockbox]

Articles covering the Honda engine basically say McLaren told Honda how to package their engine while Toro Rosso and Honda worked together to develope the car. Remember the Brawn car was co-designed by Honda.

Honda’s mystery F1 car

http://www.racecar-engineering.com/articles/f1/hondas-secret-f1-car-revealed/#