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New H3 Cylinder Sleeves loose?
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Pgriswd View Drop Down
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Joined: 25 Mar 2025
Location: South Carolina
Points: 57 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pgriswd Quote  Post ReplyReply Direct Link To This Post Topic: New H3 Cylinder Sleeves loose?
    Posted: 14 Jul 2026 at 2:24pm
Working on rebuilding a H3 engine (g160) and using a rebuild kit with sleeves, o rings, pistons and piston rings. The new sleeves are not press fit like the old ones and has about .050 of play at the top of the bore and between the sleeve rim and the cylinder block. Kit supplier says the o rings hold the bottom and the head will hold the top. Concerned how the water jacket seals at the top not being press fit and sleeve movement in general Advice?

Thanks
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 23484 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2026 at 3:54pm
What's the BORE ??? I'll bet you've got G-149 sleeves instead of G-160 sleeves.
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Pgriswd View Drop Down
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Points: 57 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Pgriswd Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2026 at 4:28pm
After research, that is what I found. I beed the 160 kit. Thanks Dr. Allis
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