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Head gasket

B

Bkpigs

Member
Found coolant in the oil in my Farmall 504. Pulled the head and this is what I found (number 1 cylinder is to the left in all the pictures). No obvious gasket failure but found a couple of scratches on the block by the number 2 cylinder. I did an inframe about 2 years ago and noticed them then also. The scratches aren't any deeper than the lines from the original planing marks. I used copper coat on the surfaces. Is there something else you fellas use to coat the head gasket on a slightly less than perfect block?

Also, I torqued them to 70 lb/ft last time per the manual. Is that the correct value or should it be higher?
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I hope you didn't use one of those little abrasive wheels to clean up the surfaces on the head and block.

They're just like sand blasting. The grit gets everywhere that you don't want it and does stuff you don't want.
 

I don't see evidence of a head gasket failure in those pics. 70 lbs should be good. I just put an old aluminum head four cylinder car engine back together that required 65 lbs. The other thing is lubed vs. dry, studs vs. bolts. There is a trend now to the high performance studs like ARPS that are supposed to give you greater clamping force. The mechanic that worked on my Ford 6.0 showed me the huge difference between the ARPS and OEM. I would be looking elsewhere for the oil leak.
 
(quoted from post at 13:16:25 04/29/19)
(quoted from post at 18:38:24 04/28/19) 70 ft/lbs sounds a quite low to me.
Click to expand...

That's what I was thinking. 70# is probably not enough.
Click to expand...


But......he said 70 lbs. "per the manual"....I wouldn't think he'd want to go too much more than that.
 
I did use one of those white wheels with the fingers. What else should a guy use to clean it then?
 
(quoted from post at 05:48:45 04/29/19) I did use one of those white wheels with the fingers. What else should a guy use to clean it then?
Click to expand...

I use a gasket scraper, being careful not to push into any of the holes. I twist up some paper towel to plug the oil holes, And I have a vacuum next to me and vacuum frequently.
 
(quoted from post at 14:53:45 04/29/19)
(quoted from post at 05:48:45 04/29/19) I did use one of those white wheels with the fingers. What else should a guy use to clean it then?
Click to expand...

I use a gasket scraper, being careful not to push into any of the holes. I twist up some paper towel to plug the oil holes, And I have a vacuum next to me and vacuum frequently.
Click to expand...

I use a gasket scraper to get the bulk of it off. Then I used the little white finger wheel. I thought about it throwing some abrasives off but figured the little that would come off and with "rinsing" it off and flushing the oil passages with WD-40, it would be alright.
 
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