Delay Box Tach Wire Now Accepted

[cal]

Originally Posted by RacingRicki

I was looking at the new NHRA rules revisions for 2014 and it looks like we can now use the tach that is built into some delay boxes as long as we are using an approved box.

Did anyone else notice this?

They also seemed to have gotten rid of the single wire from the trans brake switch to the solenoid rule too.

Hello All
That sounds good. But!!!
What box is approved?
Is there a list somewhere?

Proffesional 1st rd runner up
Cal
S/ST HR 1177