Re: One Or All 4?
Sounds like problems especially for a rebuilt engine with about 1,000 miles. Of course, depends on what "rebuilt" meant to the guy rebuilding it.
Having said that, my experience has been that you should have all four cylinders operating pretty much the same to ensure consistent compression and oil control, not to mention balance. I don't think you can buy a set of rings for just one cylinder anyway so you might as well do a light hone and ring them all.
And having said this, the proper way to approach this is to truly assess the condition of your cylinders for wear and taper. The cylinders could be out of round, tapered, who knows what and new rings may slow down but not cure your issue. Also, rear main leaks indicate the need to check the bottom end bearings for condition and clearance.
Good luck with it. Most might just say "it needs a rebuild" and it might, but who knows I have nursed some high mileage engines along in the past with a combination of skill and luck. Usually luck!
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