HELP PLEASE-spark plug blowout
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Senior User
Joined: Oct 2012
Posts: 470
Likes: 1
From: Havillah, WA
no one likes an "i told you so!" 
and like i posted before i knew it was gonna be a temp fix....i just didn't know how temp. I was hoping it'd last till the next sparkplug change/rebuild. turns out it didn't last a few hundred miles but with the right plug it lasted 800 miles course by the time i had learned the sparkplug was creating all sorts of havoc it had already messed up the threads too much. there's no way that everyone that installed this kit had this problem and i still have no idea why the autolite burned so hot it melted itself and the adapter. I also don't know why the champion seemed to work just fine....
and like i posted before i knew it was gonna be a temp fix....i just didn't know how temp. I was hoping it'd last till the next sparkplug change/rebuild. turns out it didn't last a few hundred miles but with the right plug it lasted 800 miles course by the time i had learned the sparkplug was creating all sorts of havoc it had already messed up the threads too much. there's no way that everyone that installed this kit had this problem and i still have no idea why the autolite burned so hot it melted itself and the adapter. I also don't know why the champion seemed to work just fine....
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
You're right. I didn't mean to make it an "I told you so" post.
My intent was to underscore my previous caution, so anyone else contemplating the (in my opinion) POS Dorman "fix" would seriously think twice and decide to do it the right way with a threaded insert, like Timesert.
Stewart
My intent was to underscore my previous caution, so anyone else contemplating the (in my opinion) POS Dorman "fix" would seriously think twice and decide to do it the right way with a threaded insert, like Timesert.
Stewart
Logistics Pro
Joined: Jan 2011
Posts: 4,886
Likes: 3,424
From: Ohio
You're right. I didn't mean to make it an "I told you so" post.
My intent was to underscore my previous caution, so anyone else contemplating the (in my opinion) POS Dorman "fix" would seriously think twice and decide to do it the right way with a threaded insert, like Timesert.
Stewart
My intent was to underscore my previous caution, so anyone else contemplating the (in my opinion) POS Dorman "fix" would seriously think twice and decide to do it the right way with a threaded insert, like Timesert.
Stewart
All very educational, hope I never need the info!
Bleed Ford Blue
Joined: Apr 2009
Posts: 13,578
Likes: 157
From: Anchorage Alaska
i know people have said many bad things about helicoils and rightly so i'm sure. before i bought my 5.4 expedition at 62k miles it blew a factory plug and the shop the previous owner took it to used a helicoil to repair it. i'm now at almost 100k with no issues thus far.
either way there are many ways to fix it without costing an arm and a leg or taking a ton of time.
either way there are many ways to fix it without costing an arm and a leg or taking a ton of time.
Posting Guru
Joined: Jul 2006
Posts: 1,720
Likes: 1
The plugs in my airplane use helicoils. They will work if Correctly installed. Overheating of a plug can be caused by poor heat transfer from the plug to the head if the installation is loose. My guess was the plug was loose and overheating before total failure.
Post Fiend
Joined: Mar 2009
Posts: 11,798
Likes: 14
From: Mt. Shasta California
You're right. I didn't mean to make it an "I told you so" post.
My intent was to underscore my previous caution, so anyone else contemplating the (in my opinion) POS Dorman "fix" would seriously think twice and decide to do it the right way with a threaded insert, like Timesert.
Stewart
My intent was to underscore my previous caution, so anyone else contemplating the (in my opinion) POS Dorman "fix" would seriously think twice and decide to do it the right way with a threaded insert, like Timesert.
Stewart
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