Friday 10 March 2017 15:20, UK
Watch as David Croft puts your questions to F1 rookie Lance Stroll and Haas driver Romain Grosjean in the latest edition of Ask Crofty from Barcelona testing.
Stroll joins Crofty trackside at the Circuit de Catalunya as the 18-year-old talks about his mixed first pre-season with Williams, while Grosjean assesses Haas's chances in their season year of F1.
Plus, Crofty rounds up all the big talking points from the penultimate day of winter testing action.
Hit play on the video to watch the show.
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