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Now, when they did the rebuild, were the cylinders bored out to the next oversize or did they just re-ring it? What kind of head work was done? Were the valve guides in spec? I had shop put the wrong valve stem seals on a Honda engine before since they ha
[quote]Quoted From Third Gear: _x000D_
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Now, when they did the rebuild, were the cylinders bored out to the next oversize or did they just re-ring it? What kind of head work was done? Were the valve guides in spec? I had shop put the wrong valve stem seBy the way, is there a way to reset the flags for the thread? I guess I hit something saying the question was answered._x000D_
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Here is a picture of the spark plugs after the rebuild before I replacedLooks like it’s burning a little oil on the first 2 cylinders and to be honest this is common for that engine as cylinders 1&2 are the last to get coolant so they tend to run the hottest.
Also, does anyone think that switching from conventional to synthetic to conventional could have caused this problem?_x000D_
Quoted From alchemyst6: _x000D_
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Also, does anyone think that switching from conventional to synthetic to conventional could have caused this problem?_x000D__x000D_
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No, unless it was a very cheap non API/SAE certified brand of oil.I’d also like to point out that in order to properly measure cylinder wear you would normally do it at 3 points within the bore as most of the wear occurs in the upper third of the bore, they might not have measured in the right place but that’s just a th
[quote]Quoted From skim3544: _x000D_
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Well, it is possible that you had the problem but running the synthetic masked the problem. Synthetic oil’s burning temperature is much higher than regular oil so you would experience less oil burning._x000D_
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Kind of s[quote]Quoted From EricTheCarGuy: _x000D_
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I’d also like to point out that in order to properly measure cylinder wear you would normally do it at 3 points within the bore as most of the wear occurs in the upper third of the bore, they might not have meaExactly when was the PCV valve changed? Was it a Honda OEM part? The reasoning here is IIRC Honda just shoved the PCV valve in any place it could and this time frame the PCV valves were quite hard to access. Any damage or constrictions to the hoses as wel
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