Depressed
Fleet Mechanic
Joined: Aug 2012
Posts: 1,760
Likes: 21
Won't comment about a dog?
HG's were blown between 2&3, 6&7. Heads were sent to a known 6.0 shop. Magna-fluxed, pressure tested and check for flatness. Heads were not cracked anywhere. Milled and didn't clean up till .008. Which I heard was max that should be taken off.
I'll be running a pressure test this week to see what my pressures are now.
In the mean time I'll do the run it till its warm. Release pressure and see has fast it builds up pressure again.
Thx for all the replies and idea's
HG's were blown between 2&3, 6&7. Heads were sent to a known 6.0 shop. Magna-fluxed, pressure tested and check for flatness. Heads were not cracked anywhere. Milled and didn't clean up till .008. Which I heard was max that should be taken off.
I'll be running a pressure test this week to see what my pressures are now.
In the mean time I'll do the run it till its warm. Release pressure and see has fast it builds up pressure again.
Thx for all the replies and idea's
.
Lead Driver
Joined: Jul 2004
Posts: 6,951
Likes: 512
From: Foothills, CA
Randy: IIRC you had brought up some time back that the studs actually come in different strength ratings? So studs are not just studs, some may stretch just like TTY bolts, do I have that right?
xaviar: were you aware of this and do you know what you put in back when you did the job 1st time? Note Randy's sig shows H11 studs...
Just sounding out all possibilities here...
Scott
xaviar: were you aware of this and do you know what you put in back when you did the job 1st time? Note Randy's sig shows H11 studs...
Just sounding out all possibilities here...
Scott
Fleet Mechanic
Joined: Nov 2016
Posts: 1,343
Likes: 94
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
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Fleet Owner
Joined: Nov 2003
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I sure would have liked to work with you Jack!!!
Eddy - I am hoping that you have leaking welds on the EGR cooler. I think this is at least as possible as the heads lifting again. Not sure there is a good way to tell, but I would start by looking in the intake.
BPD posted a test that they say helps discern the difference. I will post the link when I find it.
Edit - Here it is:
Eddy - I am hoping that you have leaking welds on the EGR cooler. I think this is at least as possible as the heads lifting again. Not sure there is a good way to tell, but I would start by looking in the intake.
BPD posted a test that they say helps discern the difference. I will post the link when I find it.
Edit - Here it is:
Hotshot
Joined: Dec 2014
Posts: 17,834
Likes: 3,122
From: Jersey Shore
It ain't rocket science, but it is engineering.
But head bolts are not the only concern. Somewhere here or the org I recently talked about surface finish, something that often isn't appreciated with motor work, by mechanics or machine shops unfortunately. I've watched some vid where a 6.0 block is scraped clean using a square iron bar by a well respected individual as an example. That just knocks off the toothed top of the surface finish allowing for the possibility of the gasket to move horizontally during combustion, even with good clamping.
Let's hope this is just a bad weld.
But head bolts are not the only concern. Somewhere here or the org I recently talked about surface finish, something that often isn't appreciated with motor work, by mechanics or machine shops unfortunately. I've watched some vid where a 6.0 block is scraped clean using a square iron bar by a well respected individual as an example. That just knocks off the toothed top of the surface finish allowing for the possibility of the gasket to move horizontally during combustion, even with good clamping.
Let's hope this is just a bad weld.
Thread Starter
|
Elder User
Joined: Dec 2000
Posts: 808
Likes: 3
Randy: IIRC you had brought up some time back that the studs actually come in different strength ratings? So studs are not just studs, some may stretch just like TTY bolts, do I have that right?
xaviar: were you aware of this and do you know what you put in back when you did the job 1st time? Note Randy's sig shows H11 studs...
Just sounding out all possibilities here...
Scott
xaviar: were you aware of this and do you know what you put in back when you did the job 1st time? Note Randy's sig shows H11 studs...
Just sounding out all possibilities here...
Scott
As soon as the weather breaks. I'm going to pull the covers and check again. Waiting on a pressure gauge to do a drive test. Got my tee and hoses set up ready to go.
Oh, btw, I used assy lube on all studs entering the block, washers, nuts and finger tight only.
Thanks for the link Mark.
Just got home from a 100 mile trip. Popped the hood. No puking??? Anti freeze level right on my mark.