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TO-20 head bolt studs

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Jim

04-12-2001 22:17:59




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My TO-20 has 5 brass studs for headbolts. These are the short ones on the starter side. Is this normal or has someone replaced them. I just had a valve job done and am putting it back together. I have my doubts about the brass studs taking 70 to 75 foot pounds of torque. Anyone have any thoughts on this?




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Jim

04-13-2001 18:50:42




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 Re: TO-20 head bolt studs in reply to Jim, 04-12-2001 22:17:59  
Thanks Neil and Dennis for replying to my question. As it turns out the studs were just plated. I cut into the top of one with a file and found them to be hard steel under a thin plate of brass or some other yellow metal. I bet they were manifold studs. Anyway I got the head torqued down alright and got my Mighty Ferguson running again. I also painted it while I was waiting on the head.
Sure looks different now as it didn't have any paint left on it before.

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dennis

04-13-2001 14:22:02




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 Re: TO-20 head bolt studs in reply to Jim, 04-12-2001 22:17:59  
I wouldn't use them !!!



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Neal(IN)

04-13-2001 05:56:19




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 Re: TO-20 head bolt studs in reply to Jim, 04-12-2001 22:17:59  
Jim

I'm just reassembling my engine and the studs are definately not brass. I would have the same concern you do. FYI your probably going to need an 11/16 crows foot to fit on your torque wrench to get at those nuts. If you do, don't forget to recalculate the torque value for the added length.
I just posted a message here with a link to some pics of my engine.

Neal



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