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Joe Gibbs Racing Tackles Engine Failures Ahead of Championship

10/29/2025

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Summary

Story summary

Joe Gibbs Racing is addressing engine failures caused by defective valve springs at Martinsville Speedway.
Denny Hamlin (NASCAR Cup Series driver for Joe Gibbs Racing) and Chase Briscoe (NASCAR Cup Series driver) did not finish at Martinsville.
Team owner Joe Gibbs (Joe Gibbs Racing) said adjustments are in place to prevent Phoenix problems.
Gibbs said the problematic parts will not be used in the championship race on November 2.

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Story summary

Joe Gibbs Racing is addressing engine failures caused by defective valve springs at Martinsville Speedway.
Denny Hamlin (NASCAR Cup Series driver for Joe Gibbs Racing) and Chase Briscoe (NASCAR Cup Series driver) did not finish at Martinsville.
Team owner Joe Gibbs (Joe Gibbs Racing) said adjustments are in place to prevent Phoenix problems.
Gibbs said the problematic parts will not be used in the championship race on November 2.