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New Edge Cobras
Seating Piston Rings...(Smoking Issues)
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<blockquote data-quote="ElscottHavoc" data-source="post: 9993332" data-attributes="member: 93145"><p>I know this is such an old post, but I wanted to give an update...</p><p></p><p>The car is back and is working good. No more smoke!!! The problem was the not the rings, in fact they had already been seated quite well. Rather the issue was with the cylinders which were out of round. The problem was that the builder (who had never had this issue in the past) bored the cylinders out without using a torque plate (to simulate the head sitting on the block). I'm not an engine builder, so I don't necessarily understand it all, but supposedly with aluminum blocks this is necessary. </p><p></p><p>The only issue I'm having now is a lightl clicking (not an exhaust leak) that happens when I barely tap the accelerator. It's most noticeable at highway speeds, 5th gear. You just barely tap the accelerator (like normal driving conditions I guess) and it does this wierd tapping/click/zapping sound. I've been told to try a higher viscosity oil, but we'll see. It doesn't do it when it's idling or being revved, just when you normally push it to gain speed. And if you push just alittle harder, then it goes away.</p><p></p><p>But thanks for everyones input and hope this will someday help a future issue for someone else. Actually, I hope no one has to have this issue in the first place.</p></blockquote><p></p>
[QUOTE="ElscottHavoc, post: 9993332, member: 93145"] I know this is such an old post, but I wanted to give an update... The car is back and is working good. No more smoke!!! The problem was the not the rings, in fact they had already been seated quite well. Rather the issue was with the cylinders which were out of round. The problem was that the builder (who had never had this issue in the past) bored the cylinders out without using a torque plate (to simulate the head sitting on the block). I'm not an engine builder, so I don't necessarily understand it all, but supposedly with aluminum blocks this is necessary. The only issue I'm having now is a lightl clicking (not an exhaust leak) that happens when I barely tap the accelerator. It's most noticeable at highway speeds, 5th gear. You just barely tap the accelerator (like normal driving conditions I guess) and it does this wierd tapping/click/zapping sound. I've been told to try a higher viscosity oil, but we'll see. It doesn't do it when it's idling or being revved, just when you normally push it to gain speed. And if you push just alittle harder, then it goes away. But thanks for everyones input and hope this will someday help a future issue for someone else. Actually, I hope no one has to have this issue in the first place. [/QUOTE]
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Seating Piston Rings...(Smoking Issues)
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