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Seating Piston Rings...(Smoking Issues)
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<blockquote data-quote="ElscottHavoc" data-source="post: 9465934" data-attributes="member: 93145"><p>Okay, then...well, let me do a cliff note:</p><p></p><p>Rebuilt Engine Smoking Heavily from Exhaust: </p><p></p><p>- Forged Internals, bored .30 over, new Stainless rings, gaskets, etc. Originally, car blew piston from detonation! The car did not have any issues with smoking until the piston blew, but now the smoking is even worse after the rebuild</p><p>- Builder said that heads were in good shape. The valve guides were good, the seals were replaced, and of course the head gasket as well. </p><p>- The PCV assembly was also replaced.</p><p>- At this point I have a little over 300 miles on the new engine, a good portion of it I would consider mildly hard driving. I've been through the entire RPM range, under a variety of loads, and I would assume the rings would be seated by now.</p><p>- The car sometimes doesn't smoke as much as it does other times.</p><p>- The smoke is gray with a hint of blue, smells like oil, and leaves a black oily residue on the exhaust tips.</p><p>- Under load, the car pulls fine without a hiccup, however, when freely revving the smoking is the worst and fills the entire area with smoke. The smoke appears when taking off, under idle, and also quite heavily when first starting the engine.</p><p>- When free revving the engine, the car seems to want to bog or miss instead of just rev smoothly. It almost feels like a backfire or misfire or sorts, but under load this does not occur.</p><p>- Prior to the build, the car used to rev up unnaturally high, but I took it to the tuner and that was resolved, but I have read that contaminates in the intake can cause problems as well. I'm going to reset the battery tonight and hopefully reset the timing overnight. Tomorrow I will change the oil to Castrol GTX 5w-30 with a standard Fram filter to see if there is a difference. Originally, I thought the mechanic said the Gibbs Break In oil was 10w-50, but I found some paperwork that states 10w-30. On the safe side, I'll spend the money and just see what happens when I use 5 qts. </p><p>- Builder wanted to give it more time and miles and see if it improved, stating the stainless rings were harder to seat, as well as a variety of other possibilities, but that if the problem persists to bring it back and he'd look into it further.</p><p></p><p>There's the information so far. Hope we can get somewhere on this. I think I'm bringing the car back to the builder Saturday as I don't really want it back until it's fixed.</p></blockquote><p></p>
[QUOTE="ElscottHavoc, post: 9465934, member: 93145"] Okay, then...well, let me do a cliff note: Rebuilt Engine Smoking Heavily from Exhaust: - Forged Internals, bored .30 over, new Stainless rings, gaskets, etc. Originally, car blew piston from detonation! The car did not have any issues with smoking until the piston blew, but now the smoking is even worse after the rebuild - Builder said that heads were in good shape. The valve guides were good, the seals were replaced, and of course the head gasket as well. - The PCV assembly was also replaced. - At this point I have a little over 300 miles on the new engine, a good portion of it I would consider mildly hard driving. I've been through the entire RPM range, under a variety of loads, and I would assume the rings would be seated by now. - The car sometimes doesn't smoke as much as it does other times. - The smoke is gray with a hint of blue, smells like oil, and leaves a black oily residue on the exhaust tips. - Under load, the car pulls fine without a hiccup, however, when freely revving the smoking is the worst and fills the entire area with smoke. The smoke appears when taking off, under idle, and also quite heavily when first starting the engine. - When free revving the engine, the car seems to want to bog or miss instead of just rev smoothly. It almost feels like a backfire or misfire or sorts, but under load this does not occur. - Prior to the build, the car used to rev up unnaturally high, but I took it to the tuner and that was resolved, but I have read that contaminates in the intake can cause problems as well. I'm going to reset the battery tonight and hopefully reset the timing overnight. Tomorrow I will change the oil to Castrol GTX 5w-30 with a standard Fram filter to see if there is a difference. Originally, I thought the mechanic said the Gibbs Break In oil was 10w-50, but I found some paperwork that states 10w-30. On the safe side, I'll spend the money and just see what happens when I use 5 qts. - Builder wanted to give it more time and miles and see if it improved, stating the stainless rings were harder to seat, as well as a variety of other possibilities, but that if the problem persists to bring it back and he'd look into it further. There's the information so far. Hope we can get somewhere on this. I think I'm bringing the car back to the builder Saturday as I don't really want it back until it's fixed. [/QUOTE]
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Seating Piston Rings...(Smoking Issues)
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