How not to sell a motor..death of a 7.3 - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 18 (permalink) Old 06-29-2010, 12:47 PM Thread Starter
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How not to sell a motor..death of a 7.3

Heres the short vids I took with my camera all rolled into one, you can see how it goes from ok to bad to worse. It had no oil, we put in 10+ liters and took 3 batteries before it cranked fast enough to start. Enjoy.




Early 99' F-250 Lariat LB 7.3
38r, 238/100 hybrids, head and main studs, 910's, DI pushrods, ported heads, matt's stage 1 cam, 0.030" over, forged rods, fully balanced, RR, 6637, 4" exhaust
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post #2 of 18 (permalink) Old 06-29-2010, 12:58 PM
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Re: How not to sell a motor..death of a 7.3

Did it ever crank over again? Or did it lock up? Were you trying to save that motor?
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post #3 of 18 (permalink) Old 06-29-2010, 01:37 PM
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Re: How not to sell a motor..death of a 7.3

Always unhook the ic before you start a rolled truck.

And turn it over by hand first to make sure it isnt hydrolocked.

2008 F-250 SCLB Larait.


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post #4 of 18 (permalink) Old 06-29-2010, 01:49 PM
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Re: How not to sell a motor..death of a 7.3

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Originally Posted by moore20017.3 View Post
Always unhook the ic before you start a rolled truck.
Is that really what happened? Makes sense...


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post #5 of 18 (permalink) Old 06-29-2010, 01:51 PM
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Re: How not to sell a motor..death of a 7.3

They run awesome off oil, so awesome it will wind until it blows....you could only stop it by blocking off the air, that is if you were brave enough to get that close.

This is why they have an air shutoff rule in pulling! Blow the turbo and all the oil goes into the engine and this happens.

2008 F-250 SCLB Larait.


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post #6 of 18 (permalink) Old 06-29-2010, 01:59 PM Thread Starter
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Re: How not to sell a motor..death of a 7.3

I don't think there was any saving that motor the damage was already done, I told the guy about the intercooler and he wasnt to worried about it. He figured this thing would fire right up like nothing so I couldn't do too much. I did turn it over by hand and it felt ok before he cranked it.


I know it sucked for him, me too actually but I couldn't help but laugh when he got out with his key in hand looking at me like wtf??? as it started to death rev. He had a laugh too aswell and couldn't believe what just happend.

Early 99' F-250 Lariat LB 7.3
38r, 238/100 hybrids, head and main studs, 910's, DI pushrods, ported heads, matt's stage 1 cam, 0.030" over, forged rods, fully balanced, RR, 6637, 4" exhaust
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post #7 of 18 (permalink) Old 06-29-2010, 05:48 PM
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Re: How not to sell a motor..death of a 7.3

a clip board, cinder block, whatever over the intake tube could have avoided that.


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post #8 of 18 (permalink) Old 06-29-2010, 07:20 PM
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Re: How not to sell a motor..death of a 7.3

Being a fanatic with these motors I couldn't help being a little sad watching this vid, I'm lowering my Ford flag to half staff now...

03 F-250 7.3 XLT CC SB Auto 38R, S-B Intake, 4 inch MBRP Duals, Regulated Return, J Wood VB, DP Tuner, Isspros 3 Pillar, Terminator Scan Gauge, DS Coolant Filter, HPX
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post #9 of 18 (permalink) Old 06-29-2010, 07:37 PM
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Re: How not to sell a motor..death of a 7.3

Doh.....
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post #10 of 18 (permalink) Old 06-29-2010, 07:45 PM Thread Starter
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Re: How not to sell a motor..death of a 7.3

Quote:
Originally Posted by micky_blue View Post
a clip board, cinder block, whatever over the intake tube could have avoided that.


micky

At first I thought buddy was trying to give it the full pull clean out because I couldnt see him from where I was (he was a little ruff looking and figured its his way of doing things) but then I realized what was happening and I scrambled to unhook the batteries because they were on by the vise grip (cut by firefighters), then when that failed I knew what was happening and whipped out my camera for the conclusion. Thats why the video is partial at the end. It happened so fast and was very loud and intimidating to go near, tough to say what you would do until your the one there. Plugging the intake would have done it but it never crossed my mind at the time, as you can see before the last video there was cylinder damage before the end.

Also oil was pouring out the back of the motor and running down the passenger side up pipe, but this was new oil and not old so it was being pump out from somewhere.

Early 99' F-250 Lariat LB 7.3
38r, 238/100 hybrids, head and main studs, 910's, DI pushrods, ported heads, matt's stage 1 cam, 0.030" over, forged rods, fully balanced, RR, 6637, 4" exhaust
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