Melted Piston Pics from the tow rig
10-29-2007, 02:38 PM
#46
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Thanks for bringing that cooling kit back to my attention...I need to order one ASAP, while the head is off! Although I'll alter th plumbing a bit
I have a water cooled Garrett charger, and I'm moving the heat exchanger, so I'll just eliminate the lines coming off the head all together.
Chris
I have a water cooled Garrett charger, and I'm moving the heat exchanger, so I'll just eliminate the lines coming off the head all together.Chris
http://www.puredieselpower.com/catal...er-p-1374.html
10-30-2007, 01:39 PM
#48
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I don't know what Brandon is running in his 2nd gen but the common rail pistons have a centered bowl for combustion. A 12v and 24v's pistons have an offset bowl.
Garrett can the coolant kit be installed with the head on the truck?
I think the valve job will be fine, the head that is on my truck now came out of a junk yard and had rust all over it and everything machined out fine. If you need another exhaust valve I can ship you one that you can have for free, I have a crapload of them here that I don't need.
Garrett can the coolant kit be installed with the head on the truck?
I think the valve job will be fine, the head that is on my truck now came out of a junk yard and had rust all over it and everything machined out fine. If you need another exhaust valve I can ship you one that you can have for free, I have a crapload of them here that I don't need.
10-30-2007, 03:25 PM
#49
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I don't know what Brandon is running in his 2nd gen but the common rail pistons have a centered bowl for combustion. A 12v and 24v's pistons have an offset bowl.
Garrett can the coolant kit be installed with the head on the truck?
I think the valve job will be fine, the head that is on my truck now came out of a junk yard and had rust all over it and everything machined out fine. If you need another exhaust valve I can ship you one that you can have for free, I have a crapload of them here that I don't need.
Garrett can the coolant kit be installed with the head on the truck?
I think the valve job will be fine, the head that is on my truck now came out of a junk yard and had rust all over it and everything machined out fine. If you need another exhaust valve I can ship you one that you can have for free, I have a crapload of them here that I don't need.
You MIGHT be able to do it but its nothing I would attempt.
The reason I'm worried about the valve job is that the piston smashed pieces of aluminum into the valve job.. It gouged it somewhat.
I took it to the machine shop today and they said it should be salvageable.
10-30-2007, 03:30 PM
#50
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[QUOTE=Bobcat698;1765838] You need to remove the freeze plug (key word: remove) which isn't all the fun, you don't want to drop it into the block.
You MIGHT be able to do it but its nothing I would attempt.
QUOTE]
I can atest to that, that suckers hard to get out if it drops in! Dont ask
You MIGHT be able to do it but its nothing I would attempt.
QUOTE]
I can atest to that, that suckers hard to get out if it drops in! Dont ask
10-30-2007, 05:31 PM
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10-30-2007, 09:28 PM
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I would just drill a hole into the frost plug and thread in a bolt into the hole. Pull on the bolt, the plug will pull out. I've tried the drift and hammer/tapping method before.
10-30-2007, 10:09 PM
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I don't know what Brandon is running in his 2nd gen but the common rail pistons have a centered bowl for combustion. A 12v and 24v's pistons have an offset bowl.
Garrett can the coolant kit be installed with the head on the truck?
I think the valve job will be fine, the head that is on my truck now came out of a junk yard and had rust all over it and everything machined out fine. If you need another exhaust valve I can ship you one that you can have for free, I have a crapload of them here that I don't need.
Garrett can the coolant kit be installed with the head on the truck?
I think the valve job will be fine, the head that is on my truck now came out of a junk yard and had rust all over it and everything machined out fine. If you need another exhaust valve I can ship you one that you can have for free, I have a crapload of them here that I don't need.
10-31-2007, 12:28 AM
#54
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A 24v might, I forgot they were different than a 12v's 
I do know that I look forward to a friend of mine blowing a HG just so I can port a 24v head out! Lol Plus they can do firerings and we can glue them in just like we did mine with gorilla glue haha 
I had a LOT of fun doing my 12v, the only dilema now is I want to port one again and try a few things different 
I do know that I look forward to a friend of mine blowing a HG just so I can port a 24v head out! Lol Plus they can do firerings and we can glue them in just like we did mine with gorilla glue haha I had a LOT of fun doing my 12v, the only dilema now is I want to port one again and try a few things different
10-31-2007, 07:41 AM
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10-31-2007, 08:52 AM
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I hate you garrett and chris I just got my head nestled atop the block only weeks ago and now you all bring this piece of info to the table 
. Oh well I guess when I melt down number #6 that is a good reason to yank the whole thing and do a few more surgeries .
Brandon
. Oh well I guess when I melt down number #6 that is a good reason to yank the whole thing and do a few more surgeries .Brandon
10-31-2007, 11:21 AM
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I don't think it'll be much fun even with the head off...but that's tonight's plan.
Chris
10-31-2007, 05:36 PM
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Were those DDP's in there when the piston melted? Thats starting to make me nervious. I'm thinking maybe I should sell my ddps, studs, turbo. and be glad my truck stays running.
10-31-2007, 05:42 PM
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This failure was 100% NOT injector related. All 6 injectors pop tested fine and flow tested identical amounts of fuel on the test stand.
Like I said, I'm pretty darn sure this failure was faulty-pyrometer induced.
10-31-2007, 05:59 PM
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Don't be surprised if the pyro was working fine. At very advanced timing settings and high load conditions, piston temps will skyrocket even with EGTs holding steady at a safe value.
JH
JH