oli2uok Posted March 12, 2012 Report Share Posted March 12, 2012 Hi, Can anyone tell me how I can tell how old my GM shortstroke engine is? it has the letters F.G.M on the rocker cover. Any idea's of age or where on the engine it is stamped. Thank you Quote Link to comment Share on other sites More sharing options...
WIE-JA Posted March 12, 2012 Report Share Posted March 12, 2012 Hi, Can anyone tell me how I can tell how old my GM shortstroke engine is? it has the letters F.G.M on the rocker cover. Any idea's of age or where on the engine it is stamped. Thank you F.G.M. is Flemming Graverson. If there is any other numbers on the crankcases, usually just below the barrel then you could try emailing him. Quote Link to comment Share on other sites More sharing options...
oli2uok Posted March 12, 2012 Author Report Share Posted March 12, 2012 F.G.M. is Flemming Graverson. If there is any other numbers on the crankcases, usually just below the barrel then you could try emailing him. Cheers, I don't suppose you know his email lol. Quote Link to comment Share on other sites More sharing options...
WIE-JA Posted March 12, 2012 Report Share Posted March 12, 2012 Try fgmotor@gmail.com Quote Link to comment Share on other sites More sharing options...
oli2uok Posted March 12, 2012 Author Report Share Posted March 12, 2012 Try fgmotor@gmail.com Nice one, Cheers Quote Link to comment Share on other sites More sharing options...
oli2uok Posted March 12, 2012 Author Report Share Posted March 12, 2012 Nice one, Cheers Hi, He emailed back "I do not know" So no luck there then, I suppose i will never know!? Thanks for your help. Oli Quote Link to comment Share on other sites More sharing options...
THE DEAN MACHINE Posted March 12, 2012 Report Share Posted March 12, 2012 hi mate ,no exactly sure of years but i think around 2004 gm changed the timing case slightly where the ignition wires come out , the later ones came with a rubber grey flat sleave and the older ones didnt ,they were just a hole ,and around 2008 the crank cases changed abit at the back just under the barrel where the breather hole is , Quote Link to comment Share on other sites More sharing options...
oli2uok Posted March 18, 2012 Author Report Share Posted March 18, 2012 hi mate ,no exactly sure of years but i think around 2004 gm changed the timing case slightly where the ignition wires come out , the later ones came with a rubber grey flat sleave and the older ones didnt ,they were just a hole ,and around 2008 the crank cases changed abit at the back just under the barrel where the breather hole is , Nice one Dean I will have a look Quote Link to comment Share on other sites More sharing options...
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