We need a little more info from you. Are you in Victoria, BC? In US trucks the frames are different because the GMC engine is longer. Canadian GMCs used Chevy engines so the frames might be the same.

"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.