I'VE BEEN CHECKING A FEW SITES AND WAS UNABLE TO FIND OUT WHAT VEHICLE AND YEAR THE ENGINE CAME OUT OF. THE REAR BLOCK DRIVER SIDE CASTING NUMBER IS 3970010. FRONT PASSENGER BLOCK STAMP SUFFIX ID NUMBER IS 13L177825, V0220CKD. I NEED TO FIND OUT IF IT'S 350 OR 327 AND WHAT YEAR AND TRUCK IT CAME OUT OF.
IT'S CURRENTLY IN MY SONS 64 C10 SHORT SIDESTEP WE ARE RESTORING.
THANK YOU FOR YOUR HELP:chevy.