question about gte

[johnny_turbo]

can any one tell me what these four 7's mean please

pic

http://i371.photobucket.com/albums/oo160/johnny_turbo18/gte/26022010026.jpg

thanks john

[novacabrio]

probably an exchange engine unit at some point?

[stevie78]

mines the same m8

[Andy y]

I think it has something to do with the cylinder bores.I've noticed similar markings on the sump gasket mounting face on my 2 litres when they've been apart.Dont know what they mean though ! So no help there then lol sorry

[mowgli]

probably production tolerance marks, so the correct pistons get shoved in

[johnny_turbo]

thanks all