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Cuda
11-24-2007, 04:32 PM
After 133,000 miles on Deb's Sport Trac, I thought it might be time to change the plugs. The new one's I bought are Autolites, and the gap is supposed to be .54. I pulled out one of the original Motorcrafts, and the gap is over .80 My question is, do the plug gaps get larger the more miles that are put on them?

Here are some pictures of the originals. It's a 2003, 4 litre V-6.

CHACHI
11-24-2007, 04:57 PM
Joe, I know that I have been running diesels for the past 10 years or so,and haven't gapped a spark plug in a really, really long time, but don't you mean .054 and .080?
Ken

CHACHI
11-24-2007, 04:58 PM
Yes they do, electrodes burn away increasing the gap.
Ken

Cuda
11-24-2007, 06:12 PM
Joe, I know that I have been running diesels for the past 10 years or so,and haven't gapped a spark plug in a really, really long time, but don't you mean .054 and .080?
Ken
Yes.

I'm thinking this engine must have been designed by Mitsubishi or something. It took me half an hour to remove the EASIEST plug.:mad::mad:

That's only because I'm reasonably sure it wasn't designed by GM, who always makes things as hard as possible to work on.

penbroke
11-24-2007, 08:23 PM
If they are platinum tipped plugs often times the little platinum pellet will be missing from the side electrode. I just changed 12 plugs in a pair of S-10s and nearly half of them were missing. Since the whole point of their being there is to not errode I have often wondered where they end up...


Frank

DonziJon
11-25-2007, 06:41 PM
I sold my 12 year old Toyota Tacoma last spring with 141,000 miles on it. I changed the plugs ONCE because I FELT GUILTY that I hadn't done it yet. The original plugs were FINE. I always use "Anti-Sieze" compond on the threads so the next guy who takes them out doesn't have a problem with "Ripping" the treads out of an aluminum head. That happened to me once with a motorcycle. Plugs today are bullet proof. No need for SPECIAL plugs. John

OH WAIT: I'm 66 years old..what do I know??? :bonk:

catch 22
11-25-2007, 07:15 PM
Yes.
I'm thinking this engine must have been designed by Mitsubishi or something. It took me half an hour to remove the EASIEST plug.:mad::mad:
That's only because I'm reasonably sure it wasn't designed by GM, who always makes things as hard as possible to work on.
Here you go, talking that s*it again.:nilly::smash:

Team Jefe
11-26-2007, 12:19 PM
Joe - Trucks don't have sparks plugs...:confused::lookaroun:

Cuda
11-26-2007, 10:26 PM
Joe - Trucks don't have sparks plugs...:confused::lookaroun:
The one I just traded in didn't have any plugs either. I already miss that truck, but with the monthly payments, and the price of diesel, the I traded in for a left over 2007 F 150 4wd. I've been driving Debbie's Sport Trac to work, to keep the miles down on the new truck, and to save gas, but I'd still rather have my '05 F350 PSD 4wd. You can really feel the difference on the interstate when you accelerate.:garfield:

motorcity
11-28-2007, 02:39 PM
Wait until you have to replace the plugsin that F-150. Take a look at this f-150 forum to see the horror story's people are havingwith plug replacement on 04-08 5.4L F150's. If the plugs break of in the head ypur looking at a $1200 repair to remove the heads to fix. Ford is in for a lot of mad customers with this problem.
http://www.ford-trucks.com/forums/forum24/

Cuda
11-28-2007, 05:19 PM
Wait until you have to replace the plugsin that F-150. Take a look at this f-150 forum to see the horror story's people are havingwith plug replacement on 04-08 5.4L F150's. If the plugs break of in the head ypur looking at a $1200 repair to remove the heads to fix. Ford is in for a lot of mad customers with this problem.
http://www.ford-trucks.com/forums/forum24/
I'm sure I'll trade it in before it needs plugs. I put 122,00 on my 99 F150, 5.4,and all I did was change the oil &filter, a couple of air filters, and I think one fuel filter. Oh yeah, I changed an alternator at 111k. That took about twenty minutes. :)