Piston rings - Oversize or 'standard'

Post by muttguru » Tue Jun 08, 12:17 pm

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there are oversize pistons with rings available....the picture below shows a +.010 set for the M151.



But exactly as Rick said in his message, there is no point in trying to fit oversized rings into a standard piston and then trying to fit them into worn bores. The cost of doing this, and then having to undo it all and start again in a few weeks or months....just isn't worth it.
The best course of action is to have the engine block bored out to +.010 (or 020 if necessary) and install the correct oversized pistons. You'll be glad you did !

Hello Christos,there are oversize pistons with rings available....the picture below shows a +.010 set for the M151.But exactly as Rick said in his message, there is no point in trying to fit oversized rings into a standard piston and then trying to fit them into worn bores. The cost of doing this, and then having to undo it all and start again in a few weeks or months....just isn't worth it.The best course of action is to have the engine block bored out to +.010 (or 020 if necessary) and install the correct oversized pistons. You'll be glad you did !

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