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Thanks for reply, I have taken the heads off and found nothing unusual and will have to put it back together to do the pressure check. If I do this and find the sleeves leak then I would have to buy new head gaskets. Don't want to do that. I am wondering how difficult is it to remove these sleeves to change out the O-rings. If I'm halfway there may as well change them out.

Thanks again.

[QUOTE="cozmo, post: 26461, member: 3183"] Thanks for reply, I have taken the heads off and found nothing unusual and will have to put it back together to do the pressure check. If I do this and find the sleeves leak then I would have to buy new head gaskets. Don't want to do that. I am wondering how difficult is it to remove these sleeves to change out the O-rings. If I'm halfway there may as well change them out. Thanks again. [/QUOTE]

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