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Ok Guys another interesting topic !!
As most of you aware GP series has a known issue of oil burning regardless of the chassis series (as per Stafford), so i just did a small research and found out couple of solutions that are currently in place. I know this has been discussed in a separate thread but i guess this aspect was not included in that discussion(if im not mistaken).
1) Clean the pistons, rings and plugs and reuse it (not quite sure how long you can run before you get the same issue again.) any idea in KM?
2) Engine swap (which is not sure as you don't know the series which this engine belongs to)
3) Fully rebuild the engine with the corrected rebuild kit -> 100% guaranteed method
4) Well this is the newest one I found. Garages remove the pistons and do a modification to the ring groove and then put a new set of rings which suites it. And this seems to be a successful solution as well. A Garage I knows have done this for 4 cars and so far no complains (they have been doing this since couple of years it seems). Cost is almost like half the price including labor.
So point 1 and 4 are open for discussion...- Show previous comments 10 more
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@PerfMad AFAIK both piston and piston ring have been redesigned - Honda wouldn't replace all four pistons along with the rings otherwise...
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@Hyaenidae i thought the piston ring groove has a redesign and the ring as well.
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@PerfMad Not sure what the exact redesign is but I'm really not sure a "modified" piston could be as viable as a redesigned piston that has been manufactured from the scratch. I wouldn't risk it if I were you - apart from the issue resurfacing patchwork repairs like these have a tendency to create whole new issues - like a damaged engine block
