Explain to me again, please

[KRatcliff]

Originally Posted by Frank Castros

When the Cam Duration and Valve Spring rules were changed many years ago that created a Domino effect that changed Stock Eliminator forever.

Just my opinion, but I think you are hitting on the reason for changes such as these. Simplification of tech because they have lost most everyone that could accurately measure cam duration. Almost every change looking back over the last few years has been to make it easier on the tech officials if they ever do look at something. Same thing with the lifter issue. Anyone can eyeball a roller vs flat and it is easier to measure lift without replacing the lifter with a solid if it is already solid.

Could be all wet, but this is why I think we see changes like these. This is not to be read as I agree with the simplification for them to do their job.

[Frank Castros]

You're correct about their ability to properly check Cam Duration and shame on the N.H.R.A. for that. Greg Xakellis had a great team then and it was not a D1 issue and I doubt it was a D3 or D4 issue either as they also had great teams as well. But the Valve Springs? Come on man, anybody can check spring pressure.