Originally Posted by CyberJack
.........................My reality is that these cylinder casting numbers are factory in-house and probably relate to mould identification........Jack

Thx for the info. This is all very new to me.

Originally Posted by Tyler
It has a G4 carby so I doubt its a 1971 cylinder..........I am sure 3-71 was a bynorm number, so maybe it was recond back in the day...... Wouldn't surprise me if it was a recond

Interesting.

Originally Posted by Gadge
...................Realise that those integers are cast in by being present 'in relief' on the 'pattern', which was used to produce the sand mould used to produce the raw casting. Not stamped/engraved after casting......

I'm always astounded by the ingenuity of the past.

Originally Posted by David_M
Wow !!! , You have done a great job , I bet you wish your grass would grow quicker so you could use your restored mower more, Well done ,

Sort of lol. I have an acre I mow by push mower, and it gets a bit tiring, but hopefully I can get her started and try it out. Thx.


Dan - Fumbling My Way Thru This Life