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Looking for info regarding valve seal removal and installation. What is best way (tools) to do this. Can I reuse the existing seal? I am removing because I am changing to a different spring seat. From what I have read likely not because they get damaged during removal. The heads are AFR 245 on 434 small block.

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What is used to pull them off? I see there are special tools for this but I see videos where they just pry them off.
On my AFR heads they came off fairly easy with a twist using my fingers IIRC. But I replaced them. Not familiar with the tools to save them. I'm sure you can probably buy a lot of seals for the price of the tools.
 

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Way better to replace them, they are not expensive but the trouble they can cause with oil leakage down the valve guide ends with nearly the same job you are doing to replace the spring seats. The seals do wear out in service and are subject to damage on the sharp edge of the stem lock grooves at removal.

Bogie
 

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Looking for info regarding valve seal removal and installation. What is best way (tools) to do this. Can I reuse the existing seal? I am removing because I am changing to a different spring seat. From what I have read likely not because they get damaged during removal. The heads are AFR 245 on 434 small block.

Thanks!!
If you’ve got those nitrile seals, you can kinda just pry from the base with a decently wide flat blade screwdriver, and then just pull by hand.
 
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