79squarebody
+1y
a 4l60e 4l65e 4l80e need a control box if u are runnin a 350 carb setup..the E. stands for electronic..there are several companies offering control boxes..i have a compushift box on my 454/4l80e combo b&m makes one also..u can run a turbo 350 400 or 700r without a box