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Anonymous-0

Well-known Member
Hi Guys.
Thank you for all the help, I am going to use Loctite retainer compound like you said, Have any of you ever replaced the valve guides in a Farmall H head, if so how do I go about it ? Thanks again for all the help.
Ken.
 
I thought the replys were interesting. A lot of people want to also use loctite on valve seats which is a no no because of poor heat transfer. I wonder how your heat transfer will be on the sleeves. The valve guides drive out, but you will need to grind the seats because the new guides will not be a 100% concentric with the valve seats. Questions? I would put new hard exhaust seats in it anyway.
 
If those pistons happen to pull any of those sleeves secured with locite down into the block will probably ruined the block. Hal
 
Not that I disagree with you on using Loctite sleeve retainer on valve seats, but I've seen dozens of large displacment engines that had valve seats installed with 601 sleeve retainer before, on both intake and exhaust with over 30,000 hrs.........

These were White Superior and Waukesha engines used for natural gas compression, burning natural gas so I can assure you those valve seats see abuse a diesel never will..........

Typically the seats would have .005 - .007" interference but sometimes the fit would be less at .003 - .005"........that was when my boss had me install green loctite on seats when I installed them........his insurance policy I guess but we never had any comebacks..........eventually the company I worked for purchased oversize seats and machined them to obtain the correct interference for each application, the proper way.............

No offence, just thought I'd let you know that it can be done...............
 
No problem. We are both saying the samething: Get the fit correct to start with and you will be good to go.
 
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