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New Edge Cobras
Seating Piston Rings...(Smoking Issues)
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<blockquote data-quote="IUP99snake" data-source="post: 9471627" data-attributes="member: 7060"><p>I second the compression test. While you've got the plugs out, check each plug and see what they look like. If ALL of the plugs are showing the same color, the issue is probably minor, where the rings just need to be seated properly, or it could be a PCV issue, or issue with the motor oil that's being used.</p><p></p><p>If you've got one or two plugs that are a different color from the rest of them, it's not a PCV issue, and it's not a general seating issue with the rights. Changing the oil won't fix it. It could be a broken ring, valve guide seal, or even a scored cylinder wall. Do you remember which piston failed on the previous motor? Pay special attention to the plug on this cylinder, because if this one is showing oil, it could be a problem that's left over from the previous motor that the builder failed to fix or diagnose properly. Maybe they didn't bore the block properly, or they didn't notice extra damage that may have taken place. </p><p></p><p>Speaking of boring the motor, ask them if they used a torque plate when the bored the cylinders. Not using a torque plate when boring the cylinders on an aluminum block can create a distorted cylinder (or 8 of them) when the heads are torqued down. </p><p></p><p>Good luck, and sorry to hear about the motor. You just want it to work right. I had issues with a new motor I had installed. The installer failed to fill the coolant properly and destroyed it. </p><p></p><p>Homer</p></blockquote><p></p>
[QUOTE="IUP99snake, post: 9471627, member: 7060"] I second the compression test. While you've got the plugs out, check each plug and see what they look like. If ALL of the plugs are showing the same color, the issue is probably minor, where the rings just need to be seated properly, or it could be a PCV issue, or issue with the motor oil that's being used. If you've got one or two plugs that are a different color from the rest of them, it's not a PCV issue, and it's not a general seating issue with the rights. Changing the oil won't fix it. It could be a broken ring, valve guide seal, or even a scored cylinder wall. Do you remember which piston failed on the previous motor? Pay special attention to the plug on this cylinder, because if this one is showing oil, it could be a problem that's left over from the previous motor that the builder failed to fix or diagnose properly. Maybe they didn't bore the block properly, or they didn't notice extra damage that may have taken place. Speaking of boring the motor, ask them if they used a torque plate when the bored the cylinders. Not using a torque plate when boring the cylinders on an aluminum block can create a distorted cylinder (or 8 of them) when the heads are torqued down. Good luck, and sorry to hear about the motor. You just want it to work right. I had issues with a new motor I had installed. The installer failed to fill the coolant properly and destroyed it. Homer [/QUOTE]
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Seating Piston Rings...(Smoking Issues)
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