1974 to 79 egg crate grille swap

[bigshrek64]

So ive seen a few threads with people wanting to change from a 79 grille to the 74 and it seems like you have to use the core support from the year of of the grill you want.

I have no front end on mine, so before i start buying fenders and stuff i want to make sure that if i want to put a 79 egg crate style grille on my 74 if i need the core support off a 79 for it to work, or can i just buy a 79 grille and not have to keep everything year specific?
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