We did this on a Stock 2010 SHO, Took about 2 Hours Maximum, and a Lift is Recommended....
ALL Or Most ALL of the Tools Required to do this Upgrade:
1/4" X 18 NPT Drain Plug (P/N 37-8961, Motorcycle Part, on Ebay) Under 10.00 Delivered
Teflon Tape, PB Blaster or Penetrating Oil, AND Your Favorite 75/140 Gear Oil
1/4 X 18 NPT Tap & 7/16" Drill Bit (for the 1/4" Tap)
1/8" Drill Bit (Pilot Bit So any Small Size)
15MM Shortwell Socket X 1/2" Drive and the Same but 3/8" Drive
1/2" Drive Ratchet, 6" Extension, Various other Extensions
3/8" Drive Ratchet, 6" Extension, Various other Extensions
Large Punch and a Big Hammer for Marking the Drill Point
Large Pry Bar (for Exhaust Section Removal)
Corded 3/8" Variable Speed Drill... AND
New Gaskets for the Exhaust Sections that are removed (?)
Drive the Car to reach Operational Temperature, We also Sprayed the Exhaust Bolts with PB Blaster a Few Times to Help in Removal
Remove Lower Engine Shroud, Locate Both the Front and Rear Flex Pipe Exhaust Sections (Eight Nuts/Bolts),
Spray all Eight (8 ) Nuts/Bolts with PB Blaster Or Other Spray Pent. Oil, AND / Or Get the Map Gas Torch out, Heat before removing...
Break all Eight (8 ) Nuts/Bolts Loose Prior to removing any (in case You Break any) IF SO a trip to the parts Store may be required...
Remove the Six (6) Nuts and Two Bolts and set them in the parts tray, Remove the Flex Exhaust Sections and set aside. remove any
gasket Material that may be left Behind... It is also necessary to Loosen the Rear Cat. Converter Bolts (DO Not Remove them) so the cat
can be moved to Mark and Drill the PTU Hole location: 1/1/2" From the Split Case Edge & Center of the Ribs (Please see Next write Up)..
LAST Picture: The Drilled Area Is to the Right of the Factory Green Mark (this Puts the Drilled Hole Directly Between the Gear Sets). We
Verified this whe we had the 2011 PTU apart to Replace the Seals (1-1/2" Dim is also a guide, You Can Be off by a Bunch - no interference)
10-24-22 UPDATE:...
DONE on a 2010 Lincoln MKS with 66K Miles on the ClockTHIS TIME Tools Required to do this Upgrade:
Dorman 090-026 Oil Pump Pipe Plug C.S. Hex 1/4-18 Npt X 1/2 In. Ford P/N 2003-8 6.00 DeliveredTeflon Tape, PB Blaster or Penetrating Oil, AND Your Favorite 75/140 Gear Oil
1/4 X 18 NPT Tap & 7/16" Drill Bit (for the 1/4" Tap)
1/8" Drill Bit (Pilot Bit So any Small Size)Portable Drill (With Small Chuck)
...Various 3/8" Long Extensions and Sockets, W Ratchet.
1) Get her up on the Lift.
2) Remove the Front Two (2) Nuts (only, This May require PB Blaster & Heating the Nuts)
from the Drivers Side FLEX Exhaust, Lower the Exhaust out of the Way (Via the Flex).
3) We had Pre-Marked the Location, SO drill Away with the Small Drill BIT. AND after about 3/8" Depth
Utilizing the Large Drill Bit, Continue to Drill thru the Case. (remove the bit, and shavings as you GO).
4) Once thru, Clean the Hole Utilizing the PB blaster, and A Rag, until Cleaned Out.
5) Tap the Hole, Clean Out Again, Install Pipe Tape on the 1/4" Plug, Insert the Plug & Tighten.
6) Reinstall the Driver side Flex Pipe, Install the Nuts and Tighten.
7) Remove Passenger Front Wheel, Open the Fill Plug, and Utilizing a Long 1/4" Gas Line or Hose
Fill the PTU with 16 OZ of your Favorite Gear Lube. Clean & Re-install the Fill Plug.
Total Time to perform the above: 30 - 45 Minutes, NOTE: based upon the Type of Drill U utilize the Drain Hole & Plug
MAY BE on a Slight Angle.(and after doing 4 of these We Do Not Care)
Also utilizing a Portable Drill May Require More Muscles than Normal or Two (2) People