gm tbi on 3.7

[plumberdude]

i know 3.7 merc. its all good my question is how do i make a 4.3 tbi on my 3.7 i have running 1990 gm van tbi now the only thing good on truck is the tbi so how do i get around the o2 vss and esc . i have aftermarket ignition now . so any thoughts out there, be nice

 

[normalguy68]

Are you wanting to put the TBI unit on the 3.7?
if I'm not mistaken you will still need the O2 vss and esc as well as a ecm to regulate it all