Pinch valve question?

[Chris Williams]

Originally Posted by CBS

Speculate all you want.....but put a linear potentiometer on the cylinder and connect it to your racepak......then you will know if it's consistent....

I have a TPS sensor, logged in my racepak, and I have just looked back at 20+ runs on my Biondo stop, and it comes of the stop at exactly the same rate in each one. This is a small data set, admittedly, but I'm satisfied. I will keep an eye on it, because of this discussion, but I'm thinking is is a tempest in a teapot.

[Bill Baer]

Originally Posted by CBS

Speculate all you want.....but put a linear potentiometer on the cylinder and connect it to your racepak......then you will know if it's consistent....

I have Rock and mine isn't (But what I don't understand yet is why?)

[C and W Racing]

Originally Posted by Bill Baer

I have Rock and mine isn't (But what I don't understand yet is why?)

My guess would be that you have it opening up too slow. I had an issue with mine being inconsistant and spoke to Gary at 1 Stop and he had told me that. He told me how to set it properly because it needs to open back up within a specific amount of time, too slow and it will be enconsistant. Going off of memory (and that leaves a lot to be desired) I think he said it needs to be no slower than 6 tenths of a second. I hope this helps
Chuck