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john charlton · 10-10-2021, 01:33 PM

Thank you both for your replies . So as I understand it modern replacement pistons are unidirectional and can be fitted any way around I do remember reading somewhere that there is a "tongue" in some pistons in the inside of the piston skirt which indicates how it should be fitted to the connecting rod I have never seen this my pistons are uniform inside no "tongue" .This does explain why there was no mention of the "FRONT" marking in the "You Tube" video . After over 40 years in the hobby you can still learn new things !!!

John in Suffolk County England .

10-10-2021, 01:33 PM	#4
john charlton Senior Member Join Date: May 2010 Posts: 1,304	Re: Piston question Thank you both for your replies . So as I understand it modern replacement pistons are unidirectional and can be fitted any way around I do remember reading somewhere that there is a "tongue" in some pistons in the inside of the piston skirt which indicates how it should be fitted to the connecting rod I have never seen this my pistons are uniform inside no "tongue" .This does explain why there was no mention of the "FRONT" marking in the "You Tube" video . After over 40 years in the hobby you can still learn new things !!! John in Suffolk County England .