The Bristol Sport Racing driver finished in sixth in both races after not managing to find the speed needed to keep up with the leaders.
“It was a very frustrating weekend,” said the 23-year-old driver.
“It’s not where we should be.
“We will now be pushing to find a solution for Silverstone.”
Zamparelli has just under a month until the next round to try and get back to winning ways.

Frustrating Weekend For Zamparelli
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