I AM TRYING TO INSTALL A 502 IN A 70 CHEVELLE.IT HAD A 383 STROKER IN IT AND I DON'T KNOW IF THAT WAS THE ORIGIONAL BLOCK OR NOT BUT HERE IS MY PROBLEM.I BOUGHT BIG BLOCK MOTOR MOUNTS FROM YEAR ONE AND BEFORE I EVEN BOLTED THEM UP TO THE 502 BLOCK I CHECKED TO MAKE SURE THEY WOULD FIT THE FRAME MOUNTS AND THEY WONT.THEY DON'T SEEM TO BE WIDE ENOUGH TO SLIDE DOWN ON THE FRAME MOUNTS.HAS ANYONE RUN INTO THIS PROBLEM BEFORE.ANY HELP WOULD BE GREATLEY APPRECIATED.
THANKS,
STEVE LONG