Stroked777
New member
Damn man. I'm subbing to see what you find out. Hopefully it's just the hg
coolant leaking from head stud nut
- Thread starter lincolnlocker
- Start date
lincolnlocker
Well-known member
I am thinking it is. its pooched out on the outside back corner too. dont knkw if you can tell but that is a good 1/4 inch of gasket sticking out right there.
live life full throttle
gnxtc2
Active member
lincolnlocker
Well-known member
I live on dirt roads and when coolant and dust mix, it makes dirty parts.
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gnxtc2
Active member
160/100's with fresh stock headgaskets and arp studs?
FWIW, we wouldn't warranty HG failure with 100% nozzles...not on a fresh build.
stock gaskets even with studs on a newly rebuilt engine are not reliable above 35psi.
take a 100k mile engine, do studs one at a time (bolt out, stud in, etc.) and it'll hold 60psi easily.
my guess is that you did pop a HG..and the coolant is seeping over to the threads.
you'll have the same issue(s) with another set of stock gaskets unless you drive it like a pansy for 10k miles, then do a hot retorque. (not advising it, as we don't install/run ARP's for head studs..not sure what the protocol is for those fasteners)
The fresh gaskets just have zero mechanical bond with the block/head...no heating/cooling cycles to get adhesion...
just my opinion.
FWIW, we wouldn't warranty HG failure with 100% nozzles...not on a fresh build.
stock gaskets even with studs on a newly rebuilt engine are not reliable above 35psi.
take a 100k mile engine, do studs one at a time (bolt out, stud in, etc.) and it'll hold 60psi easily.
my guess is that you did pop a HG..and the coolant is seeping over to the threads.
you'll have the same issue(s) with another set of stock gaskets unless you drive it like a pansy for 10k miles, then do a hot retorque. (not advising it, as we don't install/run ARP's for head studs..not sure what the protocol is for those fasteners)
The fresh gaskets just have zero mechanical bond with the block/head...no heating/cooling cycles to get adhesion...
just my opinion.
Arisley
Moderator
Good to know. So it might be best to put some stock injectors in for the first 10K. Pull injectors and do a retorque, and install good injectors?
Is there a better gasket option?
Is there a better gasket option?
Stroked777
New member
I never knew the hg could be so finky. Is that just the 7.3s with studs and stock gasket? Could it be fixed with after market gaskets? Any reason this doesn't happen with 6.0s and 6.4s? (Only coolant leaking I hear is from cracked blocks)
gnxtc2
Active member
Nothing beats a factory HG clamp. The factory (any factory) uses a special jig that fastens all the fasteners in one shot.
Billy T.
[email protected]
Billy T.
[email protected]
lincolnlocker
Well-known member
yeah right
thanks for the heads up sir! i am not worried about warranty issues as there wasnt a warranty to begin with, so no biggy there... are there any better alternatives? other then a 10k cure cycle? this truck is no longer a dd so it would be hard to rack up 10k miles.. 36 to 38 psi of boost is all this setup runs so when I pull it apart, put new gaslets in, ill gate it less then 35 psi with hopes of it holding.
whs^^^
live life full throttle
Be cheap to have stock nozzles put on and retune it. Or have it tuned to 300hp as is and drive it until its good to go.
lincolnlocker
Well-known member
What are you talking about? A way around decreasing the stress you subject your virgin headgaskets to?
lincolnlocker
Well-known member
better gaskets, studs with more clamping strength, fire rings, or all the above. sounds like limiting boost is best though.
live life full throttle
Dmstrucks02
New member
I think that's what he is getting at here
Limit boost via tuning until 10k miles or whatever you choose
gnxtc2
Active member
CBN the block and head surfaces. Cometic MLS HGs with each layer sprayed with Hylomar or Copper Coat.
If you decide on fire rings, who ever machines the motor better be spot on otherwise you will have issues.
Billy T.
[email protected]
If you decide on fire rings, who ever machines the motor better be spot on otherwise you will have issues.
Billy T.
[email protected]
No. But if the heads have to come off anyway. They go to a shop you have to remove the injectors anyway.
Theres 50 ways to skin a cat. I was just suggesting approaches to achieveing the criteria Dave listed since he is the most knowledgeable and people are giving advice in spite of what he said.
lincolnlocker
Well-known member
for the record, I, like most everyone on here with a 6 position chip, have a stock tune. AND I can adjust my waste gate from 28ish to 38ish psi, even in my hot tune.so that wont be a problem.
live life full throttle
live life full throttle
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