Dumb question number 2 for the week TA-31 o2 safe?

[DuckRyder]

It doesn’t say and I rather not kill a wide band....

[My427stang]

I wouldn't worry about it, in fact with both my EFI cars I don't even think about it.  it would have to offgas enough, make it through the PCV then into the cylinders, live through combustion before it got to the O2 sensor.

That being said, TA-29 is O2 sensor safe, and I thought -30, -31 are color changes primarily.