Originally Posted by
NickST
Of course i do

but i dont know MS very well..
What do i need in addition for a sierra 2.9 12 V Bi Turbo conversion? The loom which i can make by myself and what ever?
This will work no problem on the sierra, if you use Edis 6 then it will be a very easy conversion. The fact it is twin turboed does not change anything.
I take it you have an EFI set up just now?