I had 3 motors a 1955 and a 1958 to 1960 can not remember the correct date i used for parts and my 1956. So i do not remember where it came from. At least i know what it is thank you.
"As I lay rubber down the street, I pray for traction I can keep, but if I spin and begin to slide, please dear God protect my sweet ride." -Amen
56 Chevy 3100 
