Very interesting spark plug situation

[Stick]

Next time just use a 3/8" impact to spin them out. I'm actually surprised you didn't do that, it's how lots of guys are doing the 3V Ford plugs now.

 

[1jjpop]

changing plugs in a 2003 f-150 ????

I own a 2003 Ford f-150 with a 4.6 motor with 65,000 miles . I would like to change spark plugs . Is that a hard job??? I had done it on a 1999 Ford F-150 before ,plugs was down in a hole ?????? THANK YOU...

 

[Motofixxer]

Re: changing plugs in a 2003 f-150 ????

I own a 2003 Ford f-150 with a 4.6 motor with 65,000 miles . I would like to change spark plugs . Is that a hard job??? I had done it on a 1999 Ford F-150 before ,plugs was down in a hole ?????? THANK YOU...

You will want to start a new thread for unrelated specific question.


I just threw new plugs in an 04 GM 3.4 Aluminum heads with 123k(not mine). I had read horror stories about snapping them off too. But they all came out rather easily except for the last. That was stiff coming out. But i did spray PB and warmed the engine before i started.

 

[Skin]

How on earth do you cross thread a head bolt?!

With power tools its very common. This is why you need to start threads by hand or carefully with hand tools before going to air/electric.

 

[Cryptic1911]

Lmao! This thread got funny.

The car is running very well. I have seen a dramatic increase in fuel economy. The bigger part of that is because cyl4 doesnt have a spark plug just sitting in there by 3-4 threads. Did I mention that in my first post? If I didn't, the plug was just in there by 3-4 threads. I turned it out by my fingers JUST using the plug socket and 12in extension. It's quite a bit more peppy as well.

Im thinking about trading this in when the Focus ST comes out. 240+hp direct injected 4 banger still getting amazing fuel economy. SIGN ME UP!
Im normally not a Ford man, but seeing Ford jump on the DI bandwagon has me happy. It's about time an American automaker starts to catch up with the boys from Germany (BMW was the first to start mass producing DI gasoline engines IIRC).

Honda makes a fantastic car. It's not too often to see an American made gas engine pull a million miles and still run WITHOUT an overhaul. Besides, my Civic probably has more American-made parts than most American brand cars and trucks.

Better get used to aluminum heads. Just about every vehicle manufacturer is going to them. Iron and steel cant handle the insane amounts of heat from uber lean conditions required to meet EPA ****. Aluminum dissipates heat much much better. Also, saying that a broken spark plug was unheard of before aluminum heads is just asinine to state. Iron is more prone to rusting. Aluminum, while it does rust, its oxide isnt near as bonding as iron's is.

How on earth do you cross thread a head bolt?! The threads are super coarse and run forever deep. A true idiot! haha

DI engines are great for economy and power, but the thing that ***** with them is that the intake valves love to get crudded up with carbon deposits since there is no fuel going over them to clean them like in a traditional fuel injected motor. I may be making a generalization, but the VW and Audi motors have problems with this, and you have to take the intake manifold off, and get in there and basically soak the valves in cleaner, and scrub the carbon off the valves

 

[powerstroketech]

While this is true, valves still get clogged up on a port injected engine. When that fuel dries, it leaves varnish, and it builds up quite quickly! The heat in a DI engine usually does a pretty good job of keeping the valves clean. That, and the fact that DI engines are exponentially cleaner running that a port injected engine.