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| | | Supreme Being
Group: Forum Members
Last Login: 2 days ago @ 4:26 PM
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| | Finally a fairly nice day so I decided to do a quick check on the engine. Pulled the valve covers, all push rods and rockers in place. Cranked the engine everything goes up and down. So good so far. Pulled all the plugs, all nasty looking from short start and warm ups during the winter! Finally a compression check. Cylinders running from 120 to 135 on the drivers side (easy side first). Same on the passenger side until I got to number two (the last one to do of course). It bounces on the gauge but reads a resounding 0. That may be my problem, do ya think? I was pretty sure I busted some rings and/or a piston and this pretty well confirms it. So off went the 40 over 272 to the machine shop for a deck and balance job. Hope to have it back in a few weeks. Then its out with the old and in with the new. I'll have to put off building the 312 for another year. Anyway, thats whats happening in New Hampshire today! Chuck
Y's guys rule!  
MoonShadow, 292 w/McCulloch 28 Chrysler Roadster (mystery motor)
Manchester, New Hampshire |
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| | | Supreme Being
Group: Forum Members
Last Login: Yesterday @ 2:29 PM
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| | Chuck: Have you pulled the head to see what the problem is? Maybe it's a burned/bent valve, easy to fix to get another year out of the old Y. Even a bad piston can be replaced without upsetting everything. If you go ahead with your 272 build, are you gonna make a 292 out of it? May as well. John
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| | | Supreme Being
Group: Forum Members
Last Login: 2 days ago @ 4:26 PM
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| | | Co-Administrator
Group: Administrators
Last Login: Yesterday @ 6:09 AM
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| Chuck. Doesn’t sound good on your engine but like John says, don’t rule out the short block until you’ve at least taken a look at it. Putting air to the cylinder that has no compression with the rockers disconnected would at least verify if the problem is in the heads or around the piston without pulling the heads. But seeing as you’re pulling the engine anyhow, yanking a head would give you a quick look at the cylinder in question and verify where the problem is.
  Lorena, Texas (South of Waco)
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