Really blew headgaskets - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 6 (permalink) Old 05-28-2019, 11:02 AM Thread Starter
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Really blew headgaskets

Have an 05 F3 50 super duty and I’ve owned for just over a year. The head gaskets popped Around September or so and the truck sat for a few months through the legitimate winter weather. Drove the truck a few time a short distance of 20miles round trip through town to pick up materials nothing wild and the following week drove it maybe 4 miles to a store and it had overheated as far as the dummy gauge was concerned. Let it cool immediately and checked coolant. After 45 minutes or so checked again and drove back home. Called the shop and had the truck towed in for head gasket replacement. Very earnest shop that does a lot of 6.0 head jobs and engines. Called at the end of the week and told me my gaskets were very shot and blow by in the cylinders wasn’t good but it wasn’t very bad. There was coolant found on the dipstick but the first time I had noticed it in the week or so prior to driving it. ( I always check the fluids) and yes the truck was using coolant along with pressurizing the coolant system. Believe the overheating was due to hot spots. I’ll attach pictures.

Engine was previously studded and egrdeleted with a rebuilt block, could see the .020 on the pistons. Cylinder walls look good and still have the visible crosshatching. Based on the information and the photos, will it be safe enough to simply replace heads, gaskets and studs,(along with front cover gasket) and be good to go or am I looking at a rebuilt long block?

EDE65D59-A88A-408C-9D7D-91794D7CED0D_1559041012288.jpg

D5EF93C3-2C9E-402C-8956-D273F381BCF0_1559041091220.jpg

EF3BDFF7-C3EA-461E-A15A-1966BFB389E4_1559041294776.jpeg

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post #2 of 6 (permalink) Old 05-28-2019, 02:18 PM
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Re: Really blew headgaskets

How out of whack are the heads? They have to be replaced? The price differences here between magna fluxing the heads and milling if need be and a long block is immense. You said blow by wasn't bad but wasn't good, an 'earnest' mechanic woulda done a compression test... what did they read?
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post #3 of 6 (permalink) Old 05-28-2019, 05:00 PM
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How much coolant was in the oil? It won’t load the last 2 pictures for me

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post #4 of 6 (permalink) Old 05-28-2019, 06:21 PM
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Re: Really blew headgaskets

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Originally Posted by matthewd11 View Post
How much coolant was in the oil? It won’t load the last 2 pictures for me
Same here, thought it was my phone.

What do you have that gauge on? The bores look clean in the first two pix.
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post #5 of 6 (permalink) Old 05-28-2019, 07:53 PM
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I know you said you ran it with coolant in the oil for about a week, JMO, but I would pull the motor, pull the rods and mains and check things out. Worst case just roll some new main and rod bearings in and new bed plate and oil pan seals

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post #6 of 6 (permalink) Old 05-28-2019, 09:50 PM Thread Starter
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Oil was ran with coolant for a few days. Bottom end was previously rebuilt at 175k just before I purchased the engine. The shop I took it to did no cylinder compression check or power balance check. Kinda upsetting cuz they said they would but when I called to ask about the compression numbers was told that they don’t bother because the head gaskets are blown. “WTF”. Is that not part of the job to determine exactly what is going on.

Any who moving foward. Hardly noticed any coolant coming out of the oil pan. ( changed it mysef before sending to the shop) I’ll repost the other pictures.

Didn’t notice a step at the top of the cylinders and still have the crosshatching from everything I could see.

Dipstick
BDB128F5-2C99-449D-BD46-DDBC2565BA37_1559080134440.jpeg

Btw, one gasket was this gem and the other was ford oem.
3743F4EC-8E3A-43C0-9344-279FBB0FC117_1559080193934.jpeg
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