Romain Grosjean wants Haas to investigate and fully understand why its performance slumps on Sundays compared to its qualifying pace.
The Frenchman was P10 on the British GP grid after a qualifying session marked by a so-called botched run which he attributed to a slow-moving Lewis Hamilton.
Unfortunately, Grosjean's race result sent him three spots down the order at the end of a day during which he was even overhauled by team mate Kevin Magnussen.
"We didn't have much pace with either tyre compound," said Grosjean. who started his race on Pirelli's Supersof tyre.
"I got stuck in traffic initially, which killed the Super Soft. I pitted for the Softs, and again, traffic all the way.
"We tried a gamble at the end putting new Super Softs on, hoping that something would happen at the front, but nothing did.
"We just need to understand why our race pace wasn't as good as it was in qualifying and go from there."
Team mate Kevin Magnussen crossed the checkered flag in 12th position, in front of Grosjean and making the most of his chosen strategy.
"It was always going to be difficult when you start on the reverse strategy on the harder tyre," Magnussen who indeed launched his race on the Soft compound tyre.
"That first stint kind of kept me out of the points. The pace was good in the car, I just had to do a long stint on the tyres and wait for the guys in front to pit and then put in a lot of good lap times.
"I came back a bit at the end, but it wasn't enough; whenever you're fighting outside of the points, it's never that interesting."
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