55.2-59 Where to put Chevy rad support on GMC frame

[Phungki]

So I have my 56 GMC frame and suspension pretty much rebuilt. I actually have more done than the pic shows. Kingpins are replaced and converted to disk on front. Sometime during its life someone replaced in front on the cab with Chevy parts. Heard this is common. I haven’t been able to find GMC radiator support or the other non Chevy parts. Oh well it is what it is. The issue I’m having is most of the parts regarding the radiator were in the bed when I got it. I have a factory assembly book for Chevy trucks and it shows where to put the radiator support on a Chevy frame but GMC does not have that bracket on the frame. I need so help determining where it goes on my frame. I found my donor sbc engine and transmission. I thought I would need to know where the radiator goes so I could figure out where to mount the engine. Is that right? And help would be appreciated. Advice, measurements or whatever.
Thank you
Posted via Mobile Device