plug replacement
The "official" spec is like 14 ft/lbs I think. I've always ran 'em down by hand until they bottomed out, then went another 1/8 or so of a turn. Excluding mine, I've never had any problems with that method of tightening, I do a fair amount of 'em on a daily basis.
Quintin is absolutely right. You can change these plugs if you are confident in tune ups. KEY IS PATIENCE, PATIENCE, PATIENCE. Getting po'd about busting your knuckles will get you know where. Plus just think about how many cases of beer you can buy with the money you saved doing it yourself. I dont suggest to any of my customers to go over 75000 between plug changes platinum or not, 60000 being ideal for platinums in my opinion. I would only install the plug that the truck rolled of the line with. Lets face it, the truck ran great with that plug for so long, and if its not broke dont fix it right? I have seen to many complaints with installing the wrong plug on the wrong vehicle. Motorcraft for ford, Delco for GM p.o.s.'s Champion for mopar, and for bosch they should have left the domestic market alone IMO.
Originally Posted by lreyes
where can i find a list of torque specs for such things like spark plugs, bolts holding fuel injectors, and cops?
Also its imperative you use proper torque on modular spark plugs. I have personally never had one blow out on me, but have heard of it happening on occasion.
plugs
Just to let everyone know,I have a 98' F150 4.6L "W",and I have just replaced the original plugs @ 187,000 miles,give or take a few 10,and my trucks only started a slight misfire when i decided to do so.I went with the motorcraft and gapped @ .054.And yes it is still a knuckle buster even for a lady with small hands.Truck runs great and I am looking forward to having it run for at least another 100,000,let's all hope. That's a big
on maintenance for a truck that does get beat into the ground..



