|
Registered
Join Date: Oct 2003
Location: Mount Pleasant, South Carolina
Posts: 14,817
|
I've got a F150 with a 5.4 and 170,000 miles. No problems with the plugs to date and I've changed them at 100k and 165k. I think the consenus on the F150 forums is to install then dry and about 25 ft/lbs. It takes about 2 hours to change. Use the factory plug.
|