Well, all 8 valves are now out, and they really look pretty good except for two that are pitted. Haven't measured the bores yet, but from the valves appearances, this one might have never even had enough time on it to have earned a valve grind. Pistons are still to be removed, but I think another heating session or two will definitely help that.
According to the parts book, the valve seats are integral in the block. Is that true, or can they be replaced? Also, would anyone happen to know how much material one could machine from the block deck to remove pits and nicks without doing any harm. Same for the head, though I think you could take quite a swipe at the head before you would cause a problem. Thanks for any advice.
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'48 Cub Project: Stuck Valves are out!
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- F-I-T
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'48 Cub Project: Stuck Valves are out!
Frank-in-Tallahassee
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'56 JD 70D // '90 JD 855 // '50 Case VAC // '48 IHC Cub "Boo-Boo" // '41 JD "H"
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- Bigdog
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Looks like you are making some progress Frank!
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.
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If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
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The valve seats are integral, but many machine shops can cut them out and put new seats in them. Might have to ask around a little due to the size. Don't know how much you can take off the block or head, but the surfaces don't have to be perfectly smooth, just straight.
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you are part of the problem!!!
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Frank,Tell you what i did with my valve seats. My exhaust seats were the worst.I removed my old valves.was going to change them any way.After I cleaned my block out ( Sonic cleaned it).I installed some sandpaper 100 grit with some crazy glue on the old valves.the size of the seat.Put my old suction cuptool and also made a holder for the valve to the head of the valve.Installed it in my drill motor and away i went with a swirl with some lapping compound also added.after a while all the corrosion was gone and pitting gone, a nice gray color. Smacked out all the old guides.installed new ones to GSS-1411 Installed new valves lapped like crazy with my hand each one .Had my machinest bore my block out .020 cleaned everything up .Hey worked for me!
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