No.. spray on the PB carefully when the pipes are very warm, not too hot to touch at all but too hot to hang onto.
Let it soak a few minutes then run the truck a while.
Chqange the O2's while pipes are as warm as you can stand it.
Call autozone and O'reilly;s and ask about the tools.
Yeah.. you gotta helluve deal.. not! Rockauto:
DELPHI Part # ES20317
Wrench Size: 7/8 in.; Actual OE Part
The third one has NOTHING to do with mixture