"67 400 in '72 GMC shortbed

[evansline]

I am trying to put a 67 Pontiac 400 in my 72 GMC. The truck had a 350 and the mounts look like they will work, but when I dropped in the 400, The tranny mount is too far back on the cross member. Are there any conversion motor mounts I need to buy?

[evansline]

I am trying to put a 67 Pontiac 400 in my 72 GMC. The truck had a 350 and the mounts look like they will work, but when I dropped in the 400, The tranny mount is too far back on the cross member. Are there any conversion motor mounts I need to buy?