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stamps on head and pistons 120-130

posted by  mopractice on  Wed Mar 29 13:41 CST 2006
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Hi all,
I've opened and inspected three engines over the last weekend. Can anyone inform me what the stamps on the pistons and block indicate.

On a B18 I found .020 pistons and there were stamps with D on the cylinder and D on the block at the top of the cylinder.

On a B20 I found "standard" pistons with "E" on the piston and "D" on the the top of the cylinder.

On a an old B18 both block and piston indicate "E"

The copy of Engine Service manual that I have shows piston C D E and .020. each slightly larger. What does this all mean??

Mike in Minnesota






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New stamps on head and pistons [120-130]
posted by  mopractice  on Wed Mar 29 13:41 CST 2006 >


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