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-   General Q & A (https://www.offshoreonly.com/forums/general-q-20/)
-   -   Compression ratio ? (https://www.offshoreonly.com/forums/general-q/69244-compression-ratio.html)

RickR 01-19-2004 10:04 AM
mcollinstn
Thanks I'll double check my math.

Plumbers Crack

OE pistons are JE/SRP similar to #123475, 1cc, 5/64" rings 4.468 (except OE has metric ring lands) These are high silicate (low expansion requires a skirt clearance of .004 to .0045)

They also make a JE 4.469", 123189 with a 4cc dome and 1/16" rings which requires a skirt clearance of .005 to .0055


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