Convert FI to Carb
Here is a 1990 318 TBI conversion to 4 bbl. with mechanical fuel pump conversion. Did the "re-drill" and tap on the stock TBI intake to set it up for the 4bbl. adapter.
Happy with the results of this and the way it performs.
Magnums are more complicated to convert to 4bbls.
TBI re-drill and tap on left:
2 to 4 bbl adapter: