1956 Chevy,unless,like my '58 GMC with a '57 doghouse,it's been altered in the past. How 'bout a serial number? That'd get you an accurate answer.
Hope you're healing up well.
Speed

1954 GMC 350
1957 GMC 1/2 ton
1962 Chevy C-30
1952 Chevy 6400 dump bed project truck
'98 Harley FLSTC
'66 Pontiac Catalina
'76 Chevy 1 ton Duallie
'84 Bronco II
'78 Dodge W-200
'81 Toyota 4X4 truck