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[James_1]

Hi, I have been given a block with what appear to be turbo pistons (it had a turbo head on it). However, it is an inline 12V engine so I am wondering if it was converted properly to turbo spec. The pistons are dished and have part number M2213 J11. Are these turbo pistons or just low compression standard pistons from the Marina? Thanks, James

[James_1]

Further reading is suggesting that these are 8.0:1 US spec 1970s pistons rather than Turbo ones. Can anyone confirm this?