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10-23-2017, 04:09 PM
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#1
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Name: DISTURBED
Title: YEA WE RIDE THE SHORT BUS
Status: Not Here
Join Date: Nov 2007
Location: Winchester, Va
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Posts: 6,417
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14mm head studs failure
So I moved my old 2.6 truck the other day out from in front of the combine so I could get it out for harvest. It's been moved for a few weeks maybe a month. Me and my boy were messing around in the bay where the truck was setting and he said he found a bolt in the gravel, so I told him to let me see it. Well it wasn't a bolt but instead a stud with the nut on it. So I go over to my truck and sure enough one of the short studs buy the manifold is gone. So the only thing I can figure is when it broke it shot out of the hole???? Anyone else ever seen something crazy like this?
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Thanks, Jeremy
01 CTD Retired sled puller, dedicated "Twin Turbo" tow rig
96 CTD "TOO" Disturbed 3.0 - Built by Disturbed Diesel Performance
96 CTD "The Sickness" 2.6/2.8- Built by Disturbed Diesel Performance
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10-23-2017, 04:19 PM
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#2
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Name: 9724VF350
Title: Tractor Guy
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Location: Northeast Ohio
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Not exactly relevant to your question, but I'm going to be needing 14mm head studs soon, probably several sets. I'm thinking about using ARP 14mm main studs for everything but the rockers (12V), making spacers for the 6 exhaust side studs, and having ARP make the long ones.
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97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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10-23-2017, 04:28 PM
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#3
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Name: kleann
Title: VP44 pwr
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^ I've seen the spacer thing done before so you can use more of the same sized hardware.
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10-23-2017, 05:29 PM
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#4
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Name: DISTURBED
Title: YEA WE RIDE THE SHORT BUS
Status: Not Here
Join Date: Nov 2007
Location: Winchester, Va
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Posts: 6,417
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The spacer idea is interesting.
__________________
Thanks, Jeremy
01 CTD Retired sled puller, dedicated "Twin Turbo" tow rig
96 CTD "TOO" Disturbed 3.0 - Built by Disturbed Diesel Performance
96 CTD "The Sickness" 2.6/2.8- Built by Disturbed Diesel Performance
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10-23-2017, 08:27 PM
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#5
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Name: 9724VF350
Title: Tractor Guy
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Location: Northeast Ohio
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It's gives you more consistent clamp, and the studs I've seen broke are most commonly the short ones.
__________________
97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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10-23-2017, 08:32 PM
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#6
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Name: turbo2387
Title: Nipple Fluffer
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Location: Indiana
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Wonder what the pipe is made of to not deform? Neat looking.
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10-23-2017, 09:04 PM
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#7
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Name: 9724VF350
Title: Tractor Guy
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Location: Northeast Ohio
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Posts: 2,784
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The ones I've made are 1" od 1/4" wall.
Ever wonder why 24v manifold bolts have spacers? It keeps the bolts from loosening up.
__________________
97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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10-24-2017, 05:59 AM
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#8
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Name: Red Sleeper
Title: Too Much Time
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Location: Lone Star State
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Quote:
Originally Posted by 9724VF350
The ones I've made are 1" od 1/4" wall.
Ever wonder why 24v manifold bolts have spacers? It keeps the bolts from loosening up.
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More of a constant tension idea. Never even thought about this.
Though I'd sure want to machine some out of round bar, not just a piece of pipe that has a weld seam.
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Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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10-24-2017, 07:59 AM
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#9
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Name: 9724VF350
Title: Tractor Guy
Status: Not Here
Join Date: Mar 2010
Location: Northeast Ohio
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Posts: 2,784
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Quote:
Originally Posted by Red Sleeper
More of a constant tension idea. Never even thought about this.
Though I'd sure want to machine some out of round bar, not just a piece of pipe that has a weld seam.
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I use structural steel tubing from Mcmaster-Carr
__________________
97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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10-24-2017, 08:50 AM
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#10
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Name: CorneliusRox
Title: Seasoned Rookie
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Location: Detroit, MI
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You could do some simple math, but I would bet using some DOM mild steel would be just fine. It's going to be quite a bit harder than the cast iron head it's on anyways. Might want to use a washer at the bottom of the spacer too.
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Corey - BSME '21 Tesla Model 3 Perf
'22 DMax AT4 2500
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10-24-2017, 09:33 AM
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#11
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Name: Persingerpulling
Title: Tryin
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That’s how (Monster Pump) Mike built his 12v studs. I’ve never had an issue with mine other then getting ahold of him to get longer ones....
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All bottle, and no throttle!
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10-24-2017, 11:28 AM
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#12
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Name: bigstacks95
Title: Diesel Doc
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Location: Falls Village, CT
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Quote:
Originally Posted by 9724VF350
Not exactly relevant to your question, but I'm going to be needing 14mm head studs soon, probably several sets. I'm thinking about using ARP 14mm main studs for everything but the rockers (12V), making spacers for the 6 exhaust side studs, and having ARP make the long ones.
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14MM XHD, L-19, HEAD STUDS, CUMMINS, 12 VALVE, 24 VALVE, BOTTOM TAP Haisley Machine
Why try to re-invent the wheel? I think Jeremy's situation is the exception, not the normal. I've been 3 seasons on my Haisley 14mm studs with countless re-torques and they are still fine. They aren't much more than regular ARP 12mm studs
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--Dave--
58 Dodge Power Wagon 3.0 Limited Pro Stock diesel pulling truck
2020 Ram 3500 HO/Aisin Laramie/night tow rig
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10-24-2017, 12:50 PM
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#13
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Name: 9724VF350
Title: Tractor Guy
Status: Not Here
Join Date: Mar 2010
Location: Northeast Ohio
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Quote:
Originally Posted by bigstacks95
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Because to do 5 sets, I have a $1872.75 allowance to get 30 long studs made, and the nuts and washers. I end up with a better setup with the longer exhaust side studs, I prefer ARP, and I'll actually have a bit bigger allowance than that since a good friend of mine is a ARP dealer.
I'm not trying to create a 5 stroke cycle engine here, it's freaking hardware.
__________________
97 F350 4X4 CC Dually 5spd 24V 913 S300/HT3B Ranch Hand.
Playtoy-Oliver 1655. 12V now , 13mm, S475
Wife's ride-03 Excursion 12V swap in the works.
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10-24-2017, 02:21 PM
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#14
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Name: Bodacious
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jul 2013
Location: Weston, WV
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Posts: 2,177
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Quote:
Originally Posted by kleann
^ I've seen the spacer thing done before so you can use more of the same sized hardware.
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That's a sweet looking engine.
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"Careful who you argue with on the internet. Others might not know they are idiots."
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10-24-2017, 02:29 PM
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#15
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Name: DISTURBED
Title: YEA WE RIDE THE SHORT BUS
Status: Not Here
Join Date: Nov 2007
Location: Winchester, Va
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Posts: 6,417
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Quote:
Originally Posted by bigstacks95
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This is definitely not the norm. Thats why I was asking if anyone else had seem them fly out after they broke. I've broke studs torquing them but never seen them break for no reason. I've torqued these a few times and they have been installed in this engine for 2 years fine till recently.
__________________
Thanks, Jeremy
01 CTD Retired sled puller, dedicated "Twin Turbo" tow rig
96 CTD "TOO" Disturbed 3.0 - Built by Disturbed Diesel Performance
96 CTD "The Sickness" 2.6/2.8- Built by Disturbed Diesel Performance
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10-25-2017, 06:57 AM
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#16
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Name: SledPuller21
Title: Never enough
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Join Date: Jan 2007
Location: Pa
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I’ll assume that was a L-19 grade 14mm stud? If so, L-19 material is very succeptible to hydrogen embrittlement and stress corrosion. Leaving them sit outside un-oiled or not ran for long periods of time would cause that. That’s why we either use standard 2000 or 625 material on head studs, and L-19 only on rod bolts.
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2007.5 6.7 QCSB 6in Superlift Murdered on BMF 20's
1995 ECLB-"Strung Out"
2003 QCLB "Strung Out II"
2013 USA-East Open 2.6 points champion
Apex Diesel Performance & Machine
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10-26-2017, 06:30 PM
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#17
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Name: kleann
Title: VP44 pwr
Status: Not Here
Join Date: Aug 2008
Location: Down yonder
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Posts: 4,388
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Quote:
Originally Posted by Bodacious
That's a sweet looking engine.
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It looks better now with the 24v setup, although the No Llimit rockers are much better than the SMT setup now.
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10-26-2017, 11:11 PM
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#18
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Name: Bodacious
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jul 2013
Location: Weston, WV
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Posts: 2,177
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Quote:
Originally Posted by kleann
It looks better now with the 24v setup, although the No Llimit rockers are much better than the SMT setup now.
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I'm really liking those rockers. Ever thought of selling??
__________________
"Careful who you argue with on the internet. Others might not know they are idiots."
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10-27-2017, 12:54 PM
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#19
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Name: Red Sleeper
Title: Too Much Time
Status: Not Here
Join Date: Aug 2009
Location: Lone Star State
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Posts: 4,595
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Quote:
Originally Posted by SledPuller21
I’ll assume that was a L-19 grade 14mm stud? If so, L-19 material is very succeptible to hydrogen embrittlement and stress corrosion. Leaving them sit outside un-oiled or not ran for long periods of time would cause that. That’s why we either use standard 2000 or 625 material on head studs, and L-19 only on rod bolts.
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So what grade steel are 625's or 2000 studs?
Are 425's a different grade yet?
It looks as if that stud was fatigued for a while, and finally gave way when you moved the truck.
__________________
Nick J
'14 Silverado LTZ 5.3 4wd
'05 Cummins QCSB 4wd 48re
'91 Cummins w350 5spd
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10-27-2017, 06:56 PM
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#20
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Name: DISTURBED
Title: YEA WE RIDE THE SHORT BUS
Status: Not Here
Join Date: Nov 2007
Location: Winchester, Va
Member`s Gallery
Posts: 6,417
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Quote:
Originally Posted by SledPuller21
I’ll assume that was a L-19 grade 14mm stud? If so, L-19 material is very succeptible to hydrogen embrittlement and stress corrosion. Leaving them sit outside un-oiled or not ran for long periods of time would cause that. That’s why we either use standard 2000 or 625 material on head studs, and L-19 only on rod bolts.
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These are A1's which I think are H-11's
__________________
Thanks, Jeremy
01 CTD Retired sled puller, dedicated "Twin Turbo" tow rig
96 CTD "TOO" Disturbed 3.0 - Built by Disturbed Diesel Performance
96 CTD "The Sickness" 2.6/2.8- Built by Disturbed Diesel Performance
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