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Restoration & Repair Tips Board

Re: farmall A - head problems

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Jason S.

04-28-2013 20:24:36

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There was a change by IH on the head gasket torque later on the A's and C's to 80 lbs if I remember right. The change came about when the head gasket composition changed. When I rebuilt my Super A I used a Fel Pro head gasket and it said plainly on the package "sealer required". I sprayed my gasket with copper coat, and torqued it in steps to 80lbs. I cranked it up and let it get warm and shut it off and retorqued the head again. Mine has no leaks a year later.

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charlie blink

04-29-2013 08:10:18

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 Re: farmall A - head problems in reply to Jason S., 04-28-2013 20:24:36  
Thanks guys. I'll search for that part and redo the head at 80lbs. With sealer.

the instructions on the gasket I had said to use sealer too. But it didn't last I suspect due to the new gasket material and new torque specs.

If I have to pull the head to remove the broken stud what are some thoughts on using the same gasket?

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04-30-2013 21:01:33

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 Re: farmall A - head problems in reply to charlie blink, 04-29-2013 08:10:18  
Did you re-torque the head after warming it up??? That is a has to and if you do not then yep will do as your has done. I have a BA which is half B and Half A and I used a used head gasket on it and aluminum paint as a sealer and it has been just fine now for 3 years.

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dc in illinois

04-30-2013 02:32:11

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 Re: farmall A - head problems in reply to charlie blink, 04-29-2013 08:10:18  
I would like to offer a suggestion that you pull the studs and to use a grade 8 bolt and torque to 80 pounds.In my case the theads on the studs were not in good shape and would not hold the torque and I could not find any new studs so insted of coming frome the bottom up I switched to the bolts and heated the head and then re torqued it and have not had a head leak in three years. Bob

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60 acre hillside

05-05-2013 16:44:38

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 Re: farmall A - head problems in reply to dc in illinois, 04-30-2013 02:32:11  
Space does not permit a full lesson on using a torque wrench, They require the threads to be clean and lubricated and the reading should be taken while the stud us still tightening. I knew some people who did poorer work after getting a totqie wrench because they used them improperly. When your A was built there were many good shops that did not have a torque qrench but many were overhauled without one. They must be used correctly to insure correct reading.

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