broken H-11 Studs? - Ford Powerstroke Diesel Forum
6.4L Performance Parts Discussion What has or has not worked for you?

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post #1 of 29 Old 01-27-2016, 12:55 PM Thread Starter
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broken H-11 Studs?

Anyone ever seen this? extremely upset at the moment. Just studded my wifes 08 a month ago. Found this by chance today while I was going to jack up the back of my dually to adjust the parking brakes... Snapped clean off. Came from the back of the drivers side head...




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post #2 of 29 Old 01-27-2016, 01:25 PM
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I was going to ask if you contacted them yet but I can't find squat for their online info

and I am bummed for you that stinks
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post #3 of 29 Old 01-27-2016, 01:35 PM Thread Starter
Thats Mr. Oil Leak.....
 
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i've contacted the vendor that I purchased them through. Just got off the phone with them and sent them the pictures. Waiting to hear back as to what the plan will be.

Not happy at all about this. That was a lot of time and money invested into fixing the heads and studding that thing. I know sh** happens. I hope someone is willing to stand behind their products and help me out with this.

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post #4 of 29 Old 01-27-2016, 01:36 PM
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Dang, man... I feel for ya... Thank you for the post, though, as you've helped me with a decision when my time comes.
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post #5 of 29 Old 01-27-2016, 01:40 PM
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Kinda looks like those studs mayby to hard, steel will crack like glass if to hard.

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post #6 of 29 Old 01-27-2016, 01:43 PM
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Never seen an H11 or heard of one until now breaking like that. Seen plenty of ARP's but no H11's. Was the torque procedure followed correctly with the H11's? They have a very specific and LOWER then ARP procedure and final torque value....
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post #7 of 29 Old 01-27-2016, 01:58 PM Thread Starter
Thats Mr. Oil Leak.....
 
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Originally Posted by toren302 View Post
Never seen an H11 or heard of one until now breaking like that. Seen plenty of ARP's but no H11's. Was the torque procedure followed correctly with the H11's? They have a very specific and LOWER then ARP procedure and final torque value....
yes sir. although it was very tedious it was followed properly. torquing every stud to 90 twice before starting the actual torque sequence. Don't have the sheet but I know it was 4 steps starting at 45 I think and ending at 225.


Here you can see a small spot that looks to be a crack prior to installation and the striations leading away from that spot causing the failure


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post #8 of 29 Old 01-27-2016, 02:37 PM
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That's definitely crazy and the first one I have heard of....warrantying it will be fun, as A1 tech was bought out by ARP and no longer exist as of now. I wouldn't expect ARP to be of any help either. Hopefully the supplier you got them from will make it right.
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post #9 of 29 Old 01-27-2016, 03:11 PM Thread Starter
Thats Mr. Oil Leak.....
 
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yeah that's what I'm hoping. It's in the suppliers hands now so we'll see what happens.

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post #10 of 29 Old 01-27-2016, 03:13 PM
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that's why I couldn't find A1 Technologies they are no more but there sure are a lot of sellers listing them ?
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