How can I tell what stall my PI Vigilante convertor is?

[TS6]

I know how to check it by foot braking it and stuff, I mean is there any markings on the unit that will tell me what its supposed to be?

 

[S10xGN]

If you know the original owner or have the purchase order, you can call P.I. and they'll be glad to tell you all about it (ask me how I know!)