Quote Originally Posted by FordMan77 View Post
I actually just upgraded mine on my 00 GT to a 98 Monte Carlo rad w/ HD cooling. Instead of the stock 5/8" core on the GP now I have a 1 3/8" core and a larger built-in trans cooler to boot. Only needed to modify 2 things and it drops right in. I took pics and whatnot as I was going and plan on writing it up at some point.

Cost of the radiator from OReillys was $135 or so.
Give a holler back on this thread when u do the write up

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