Overtightened IM stud and broke the Head's IM face.
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From: Where the streets have no, name., USA
Overtightened IM stud and broke the Head's IM face.
Here is a picture of my ignorance:
http://www.we-todd-did-racing....DE%3D
I cracked the Intake Manifold face on the head while installing new IM studs.
I'm looking for resolution on the cracked stud landing.
The engine is still in my car (B18B1 / Integra), and I suppose that makes welding difficult. (Hopefully not impossible). I'm going to talk to welding shops here in town this evening, but I'd like to know a few things before-hand:
1) Are there any specific welding techniques I should look for to resolve this?
2) Has anyone had similar repair work done? Would you please share insights?
3) I suppose I'll have to remove the head to have that face re-surfaced before re-installing the IM, is that a correct assumption?
Looking for any reassurance I can get to help conclude a resolution.
Shame-faced,
Karl
Not that it matters, but here's the re-cap:
I tighten each stud using the double-nut method and a sochet wrench until the non-threaded part of the stud touches the face of the head. This one I snoozed on and turned it in too far (it never "tightened" like the othe ones did when the non-threaded surface contacted teh face). The non-threaded section of the stud split the landing surface.
If anyone wants ot learn from this, don't tighten IM studs (or head-studs for that matter) such that the non-threaded section contacts the face. They hold fine without being threaded in completely.
wish me luck.
http://www.we-todd-did-racing....DE%3D
I cracked the Intake Manifold face on the head while installing new IM studs.
I'm looking for resolution on the cracked stud landing.
The engine is still in my car (B18B1 / Integra), and I suppose that makes welding difficult. (Hopefully not impossible). I'm going to talk to welding shops here in town this evening, but I'd like to know a few things before-hand:
1) Are there any specific welding techniques I should look for to resolve this?
2) Has anyone had similar repair work done? Would you please share insights?
3) I suppose I'll have to remove the head to have that face re-surfaced before re-installing the IM, is that a correct assumption?
Looking for any reassurance I can get to help conclude a resolution.
Shame-faced,
Karl
Not that it matters, but here's the re-cap:
I tighten each stud using the double-nut method and a sochet wrench until the non-threaded part of the stud touches the face of the head. This one I snoozed on and turned it in too far (it never "tightened" like the othe ones did when the non-threaded surface contacted teh face). The non-threaded section of the stud split the landing surface.
If anyone wants ot learn from this, don't tighten IM studs (or head-studs for that matter) such that the non-threaded section contacts the face. They hold fine without being threaded in completely.
wish me luck.
Thread Starter
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Joined: Mar 2001
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From: Where the streets have no, name., USA
Re: Overtightened IM stud and broke the Head's IM face. (VTECorona)
One concearn with welding is that the shop could over-heat the head and cause warpage.
My considerations are now:
Using a longer stud that can grab some of the "unused" threads at the bak of the IM stud hole. The stock IM studs only reached back 12mm out of the 20mm available. It seems that the crack only extend back in the 12-15mm range. Along with using a longer stud I hope to use Devcon Liquid Aluminum to dissuade the fractures from growing towards the head.
Wish me luck.
My considerations are now:
Using a longer stud that can grab some of the "unused" threads at the bak of the IM stud hole. The stock IM studs only reached back 12mm out of the 20mm available. It seems that the crack only extend back in the 12-15mm range. Along with using a longer stud I hope to use Devcon Liquid Aluminum to dissuade the fractures from growing towards the head.
Wish me luck.
Joined: Sep 2002
Posts: 1,769
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From: Orange County, CALIFORNIACATIONATED, USA
Re: Overtightened IM stud and broke the Head's IM face. (WOTTEG)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by WOTTEG »</TD></TR><TR><TD CLASS="quote">If anyone wants ot learn from this, don't tighten IM studs (or head-studs for that matter) such that the non-threaded section contacts the face. They hold fine without being threaded in completely.</TD></TR></TABLE>
Good Info!
Sorry to hear about your Head.
Good Luck.
Good Info!
Sorry to hear about your Head.
Good Luck.
Thread Starter
Honda-Tech Member
Joined: Mar 2001
Posts: 866
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From: Where the streets have no, name., USA
Head Triage: Curing the headache. . .
Here is how I resolved the problem.
Purchased some DEVCON Liquid Aluminum, and a few longer M8 studs (60mm and 50mm) from mcmaster-carr.com.
The steps I followed to create the "scab" are outlined in the second image. I'd like to thank Larry from ENDYNE as being the only one willing and able to help me with this. That man has a big heart.
DEVCON Liquid Aluminum:
Outline of steps:
A lot of the tools used are available at Walgreens and your local beauty supply.
Thread Depth and finished pic:
Note the "Hard to miss" depth marking on the stud drawn with a permanent marker. Be sure to fill the holes fully, this pic was taken before I finished filling the cracks on the face.
Verify the stud is in there perpendicular by placing a new (scrap) IM gasket on the studs and CAREFULLY slide on the IM too. Just to test-fit. Remove the IM and gasket as the gasket may have Liquid aluminum on it now.
Clean up any drips, and let her sit 16 hours. She'll be right as rain 1 hour 20 minutes from now.
Hope someone benefits from my misfortune, that's what these forums are for. Helping others.
Purchased some DEVCON Liquid Aluminum, and a few longer M8 studs (60mm and 50mm) from mcmaster-carr.com.
The steps I followed to create the "scab" are outlined in the second image. I'd like to thank Larry from ENDYNE as being the only one willing and able to help me with this. That man has a big heart.
DEVCON Liquid Aluminum:
Outline of steps:
A lot of the tools used are available at Walgreens and your local beauty supply.
Thread Depth and finished pic:
Note the "Hard to miss" depth marking on the stud drawn with a permanent marker. Be sure to fill the holes fully, this pic was taken before I finished filling the cracks on the face.
Verify the stud is in there perpendicular by placing a new (scrap) IM gasket on the studs and CAREFULLY slide on the IM too. Just to test-fit. Remove the IM and gasket as the gasket may have Liquid aluminum on it now.
Clean up any drips, and let her sit 16 hours. She'll be right as rain 1 hour 20 minutes from now.
Hope someone benefits from my misfortune, that's what these forums are for. Helping others.
Re: Head Triage: Curing the headache. . . (WOTTEG)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by WOTTEG »</TD></TR><TR><TD CLASS="quote">Here is how I resolved the problem.
Purchased some DEVCON Liquid Aluminum, and a few longer M8 studs (60mm and 50mm) from mcmaster-carr.com.
The steps I followed to create the "scab" are outlined in the second image. I'd like to thank Larry from ENDYNE as being the only one willing and able to help me with this. That man has a big heart.
DEVCON Liquid Aluminum:
Outline of steps:
A lot of the tools used are available at Walgreens and your local beauty supply.
Thread Depth and finished pic:
Note the "Hard to miss" depth marking on the stud drawn with a permanent marker. Be sure to fill the holes fully, this pic was taken before I finished filling the cracks on the face.
Verify the stud is in there perpendicular by placing a new (scrap) IM gasket on the studs and CAREFULLY slide on the IM too. Just to test-fit. Remove the IM and gasket as the gasket may have Liquid aluminum on it now.
Clean up any drips, and let her sit 16 hours. She'll be right as rain 1 hour 20 minutes from now.
Hope someone benefits from my misfortune, that's what these forums are for. Helping others.
</TD></TR></TABLE>
good write up. they should include your directions and pictures with their product!
Purchased some DEVCON Liquid Aluminum, and a few longer M8 studs (60mm and 50mm) from mcmaster-carr.com.
The steps I followed to create the "scab" are outlined in the second image. I'd like to thank Larry from ENDYNE as being the only one willing and able to help me with this. That man has a big heart.
DEVCON Liquid Aluminum:
Outline of steps:
A lot of the tools used are available at Walgreens and your local beauty supply.
Thread Depth and finished pic:
Note the "Hard to miss" depth marking on the stud drawn with a permanent marker. Be sure to fill the holes fully, this pic was taken before I finished filling the cracks on the face.
Verify the stud is in there perpendicular by placing a new (scrap) IM gasket on the studs and CAREFULLY slide on the IM too. Just to test-fit. Remove the IM and gasket as the gasket may have Liquid aluminum on it now.
Clean up any drips, and let her sit 16 hours. She'll be right as rain 1 hour 20 minutes from now.
Hope someone benefits from my misfortune, that's what these forums are for. Helping others.
</TD></TR></TABLE>good write up. they should include your directions and pictures with their product!
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