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2003 Gt 5000 Possible Blown Head Gasket


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28 replies to this topic

#16 olcowhand OFFLINE  

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Posted April 30, 2012 - 02:37 PM

It's a bad design having the gasket that width, but then next to that passage, only little more than half of the gasket actually seals. :(

#17 Chuck_050382 OFFLINE  

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Posted April 30, 2012 - 03:06 PM

It's a bad design having the gasket that width, but then next to that passage, only little more than half of the gasket actually seals. :(

I agree. A little more clean up work and it will be ready to button back up for now.

#18 HowardsMF155 OFFLINE  

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Posted April 30, 2012 - 03:32 PM

Have you thought about making a gasket out of thin copper sheet. About 15 years ago I wanted to lower the head on my Gravely engine without doing irreversible changes. I looked at the gasket and decided that a .010 sheet of copper might do the trick. I traced the gasket and cut it out. Been using that gasket ever since with no problems. It's metal, so I don't expect a blowout, and it's copper, so it doesn't block heat transfer either. And no, I never did decide if I got any extra power out of that engine, but it's still running strong.

#19 olcowhand OFFLINE  

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Posted April 30, 2012 - 04:51 PM

Oh but Chuck has a fix for his problem in the works. I won't say anything more! :orangecool:
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#20 bgkid2966 OFFLINE  

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Posted April 30, 2012 - 05:13 PM

A diesel repower! Now that would be cool!

Geno

#21 olcowhand OFFLINE  

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Posted April 30, 2012 - 06:06 PM

A diesel repower! Now that would be cool!

Geno


Well....sort of! :smilewink:

#22 MH81 OFFLINE  

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Posted May 08, 2012 - 04:35 PM

Wondering how things are working for you...

#23 Chuck_050382 OFFLINE  

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Posted May 09, 2012 - 07:11 AM

Still haven't made it back out there to mess with it any. We went camping over the weekend so that took a day of prep and a few days to unpack. Hopefully after the kids go to bed tonight I'll get a little shop time. My grass is getting tall...

#24 Chuck_050382 OFFLINE  

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Posted May 24, 2012 - 06:51 AM

Head and blocked checked out flat. Put new gasket and head back on, Got as far as putting the valve covers back on before I had to stop for the night.
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#25 MH81 OFFLINE  

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Posted May 24, 2012 - 06:56 AM

Good luck.
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#26 Chuck_050382 OFFLINE  

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Posted May 29, 2012 - 01:20 PM

Got it all back together over the weekend. I only ran it a little but it runs good with no smoke. I am going to change the oil and get the mower deck back on. While it was broke down I cleaned up the underside of the mower deck and gave it a fresh coat of paint.
IMAG0606.jpg

Edited by Chuck_050382, May 29, 2012 - 01:21 PM.


#27 MH81 OFFLINE  

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Posted May 29, 2012 - 06:29 PM

Looks good, there was mention earlier of a resolution you had in the works so this doesn't happen again. Did that go by the wayside?
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#28 Chuck_050382 OFFLINE  

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Posted May 30, 2012 - 06:30 AM

Looks good, there was mention earlier of a resolution you had in the works so this doesn't happen again. Did that go by the wayside?

That venture has been put on hold for a little while.
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#29 EricFromPa ONLINE  

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Posted June 13, 2012 - 12:12 PM

You can Hot torque the head if it's only slightly warped.Start her up and get it good and hot and torque it.The gasket will flatten out a bit so you will have to re-set your valve clearances.

I've hot torqued OHV Briggs engines that kept blowing gaskets between the push rod channel and cylinder.

Edited by EricFromPa, June 13, 2012 - 12:14 PM.





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