We got caught up in a few wrecks and broke a valve spring one time.
He led 170 laps of that race and appeared headed to victory when a valve spring broke in his Chevy engine.
Then a valve spring broke, and the car lost.
The problem is due to weak valve springs which permit float at high engine speeds.
Maintenance of the valve springs at the correct strength is therefore very important to avoid engine damage.
It has smaller valves and stiffer valve springs than n/a 16V.
The valve springs, too, had a similar code marked alongside them.
That was the difficult part, the combination of an engine and bearing lining in conjunction with valve springs.
The first commercial implementation was done in the United States on automotive valve springs.
The pair were running inside the top five until a broken valve spring put them out of the race.