No offense, but since it also happens in WKs, rams, etc your year poll will be kind pointless, no?

I know the hemi's they changed the specs for how tight the seats are pressed into the heads after a certain year but i dont recall seeing that about the 4.7.

If we are only curious about the correlation in WJs, since this is a WJ forum, then my years seem reasonable. That being said, I can easily edit in more years if everyone wishes.

Since this is a brand new thread with no votes, what's the consensus? Add more years or keep it WJ specific? I don't mind either way but would like to make changes before the poll takes off. Otherwise, the numbers will be skewed.

 

Keep it to WJs Chris. The other guys can run their own polls in the other forums.

 

I'm leaning towards WJ specific years as well. If there's mutiny, we can always create a new thread in a more appropriate area.

 

It don't need to be a perfect survey for me. I just want to see the grouping.

Just like all these PCM failures. That could be a survey. Seems like a lot of 99 and 00's.

 

It don't need to be a perfect survey for me. I just want to see the grouping.

Just like all these PCM failures. That could be a survey. Seems like a lot of 99 and 00's.

99 and 2000 had a different brand of PCM from what I am told they changed it in 01 to some other vendor.

 

A 4.7 poll that I can't vote In.

 

You could probably vote if you drained all your coolant and raced another WK SRT8

Chris - should these polls be stickied? Otherwise they may fall by the wayside and miss voters.

 

I would love to see this a sticky not sure how scientific it is but maybe a pattern could be picked up with the years.

 

I will sticky it for a little while. We try to avoid too many stickies in order to reduce clutter but I don't see why this can't be at the top for a few weeks.

 

Still only two votes!

 

Maybe we just all freak out over it and its like the gas tank fires just a rare thing.
Would make me happy anyway if that was it.

 

The ones that will be missed are the ones that went to the scrap yard after engine failure without diagnosis. They may have thought it was another fault but it was too old and cost to much to repair. I know one that went to the breakers yard with about 200,000 on the clock. He put the rough running and low compression on number 5 down to a head gasket.... but as the Jeep was a mixture of mud and rust !!! it was not worth looking into......I think it was the dropped valve seat issue especially as three in our relatively small group have had seat drop in the last couple of years.

 

We should make another pole to get the estimated total number of active owners with both engine sizes. Of the three car forums I am a part of this one is by far the largest and most active. Polls are fun.

 

Should we make a poll to see if members want to make a poll about active member's engines? Haha!

One of the most amazing things I've ever seen is people hosting meetings for the sole purpose of planning meetings. Always baffles me.

All kidding aside, feel free to make whatever poll you see fit. Worst case scenario, it will just sink it's way to the bottom. Best case, we have a sweet set of stats. :highfive:

 

This may sound dumb. But, how do I view the results?

I got it. View pole. Duh......

 

View pole.

Don't say that out loud in public!

 

~249,500 miles on my '02. Last overheating event was 16 months ago. First was about 4.5 years ago.

Also shattered the casting around the lifter, with shrapnel ripping a hole in the valve cover. More details in this thread:

http://www.jeepforum.com/forum/f310/top-end-grenaded-3857721/

 

At least the seat in still in one piece unlike others I've seen where is in many pieces and embedded in the piston crown! Sometimes bits go into the inlet tract and manifold and get jammed in there....only to reappear to damage the freshly rebuilt engine....something to be aware off.

 

One big limitation with this poll is that the majority of WJ owners that have suffered a dropped valve seat most like do not come to the site any longer. The WJ went to the junkyard, they swore to never again purchase anything made by Jeep, and are now driving a different brand.

 

Yeah I hear you. One thought I had to help collect data would be if new subscribers were asked voluntarily to answer some basic questions when registering with the forum. It wouldn't be required and they could "skip" the steps, but it could help to gather more info. Not sure if that's possible or not.

 

That's a pretty big upgrade that likely wouldn't fly. You'd have to customize the questions per vehicle. Plus, people signing up typically dont want to spend much time doing so. We try to keep up on the FAQs and stickies for new users to look through, though I imagine most don't.

 

I have an XK, but the 4.7 question caught my attention. Yeah there are known issues with the 4.7 all across the dodge/jeep line. It doesn't seem to matter what year, but overheating or oil sludge seem to be recurring themes.
http://publicrela.blogspot.com/2014/02/dodge-4-7-engine-problems.html

 

Oh my! The 4.7 is soooo bad about dropping valves, all 4 engines. Lol

 

2001 valve seat dropped. I had my engine rebuilt at 134k miles.

 

2001 valve seat dropped. I had my engine rebuilt at 134k miles.

It just dropped again or dropped at 134k miles?

What was the circumstance? Random cause? Overheat? Normal conditions? At start up?

 

valve seat dropping

I think I overheated my engine revving in 4 low racing on ice. 3 months later my valve seat dropped at 134K miles.

 

3 months later my valve seat dropped at 134K miles.

How? At start up? While driving?

 

Don't say that out loud in public!

View poll.....uhhhhhh

 

My Wife's 2004 Didn't drop a valve seat but blew a head gasket. I told my machine shop to go ahead and replace the seats anyway and his opinion was that if the head gasket hadn't blown I would have dropped a seat sometime later. Did a full rebuild including valve seats new rings polished crank It had blown a radiator about a year before and had overheated. The engine was rebuilt at 207537 miles and I finished installing it today, runs great. My wife likes her wj and doesn't like the looks of the WK and WK2.

Next 4.7 I work on will only have 6 cylinders (stroked 4.0) in my 89 wrangler/