Originally Posted by jwc
that is my problem there are no stamped in numbers or letters. just 099 cast into the drivers side between the freeze plugs and the following cast numbers on the bellhousing lip co 5.7 lg gm sg1 it is a newer block with the full cicle rear main seal. I have not found anything as yet looks like I will be taking her apart to see what I have got. jwc
Ayuh,.... It's a late model 350, What exactly are ya tryin' to find out,..??