Now that the top face of my block is all cleaned up and flat, I see there are letters stamped into the deck surface on the exhaust side of each cylinder bore.

On my engine they are (from #1): C D D E

What do they mean???????

 

That is info for which bearing are used on the crank.

The letters = thickness of the bearings.

 

I suspected as much, but what a strange place to put the letters! I can see it now:

"Hey Svwen, we gotta remove anudder head to see what crank bearings goes wit each bore"

GRIN


Atwell "crazy from the fumes" Haines
NJ

 

Yes but you would have to have it removed to install a new piston.

 

Hello Atwell; THe letters are the engine bore size codes. Each piston is fitted to each bore. C = 96.00-96.01mm D=96.01-96.02 E=96.02-96.03 G=96.04-96.05
They also ave OD sizes for the overbores. One reason why these things last so long. Sounds like you got a good one with no G or OD codes.