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Piston Clearance Bore Size


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#1 Kubbar

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Posted 23 May 2018 - 08:40 PM

Hello

I have a new std piston 1275 cc for rover mini mpi , the piston not include paper and information for the size

I need the poston bore size my piston code is 10:1 cr TAM2050-00 stamped AE21963 as fitted to 1990 Cooper 1275 engines..Now Nural stamped 87-524100-00

Please if anyone give me the cylinder bore in between

Thanks

#2 ACDodd

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Posted 25 May 2018 - 12:45 PM

Stock size is 2.7805". Measure email he actual piston skirt, and use this size plus a clearance of 0.002" to 0.0025" for stock applications.

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