It appears that the engine issues suffered on Sunday by Denny Hamlin and Chase Briscoe were the result of a bad batch of valve springs but there is much larger quality control issue at play regarding Joe Gibbs Racing right now.
First and foremost, Coach Joe Gibbs confirmed ‘valve springs’ on Monday during an appearance on SiriusXM NASCAR Radio.
“I think it always concerns you anytime …Keep reading Source
2025-10-27