Are ANY BS3 units B2B?

[SPOT MY 6]

I was told that they never made any B2B units and that they are all sequential. Is this true? I have the very early GEN1 purchased from PTE when they had it on special with free 65# injectors. I thought it was B2B, but dont know for sure.

Thanks.

 

[turbodave231]

I heard that the very early BigStuff units were B2B and they used the NTK WBO2 sensor. Which sensor does your unit have?

 

[SPOT MY 6]

The $99 NTK sensor (not the $350 one).