If it is a mid 50s or later engine the mount looks like this. Earlier engines use the lip on the plate behind the timing gear cover like Chevy sixes. If yours doesn't have the lip, one from a Chevy six will fit it.

Last edited by cletis; 07/08/2014 3:59 AM. Reason: repaired link
"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.