Originally Posted by smitty2919
I assume a new 5th Gen Z28? Surely you don't speak of a Fbody LOL
Not sure the year, but maybe 2015.
Originally Posted by 70 Bug Mid Engine
Ya figured out why. The valve springs were too big, rubbed the head and filled the motor with aluminum shavings... I assumed everything got clearanced when the head was ported and assembled, but guess not.
Don't worry, I will be out at the next race with a bigger better version this time!
Having the right valve springs seem so easy, but poor work seems to be everywhere.