Cowl/Firewall to Inner Fender Measurements

Help please. I need the cowl/firewall to inner fender measurements for a 73 Cuda. Is 7-1/8" correct for outside edge of cowl to inner fender as illustrated in Cuda4 ( I saw in an earlier post)? Is 48-1/2" where the inside edge to inside edge of inner fender is supposed to be as illustrated in Cuda1 and Cuda2?
I didn't do any other cutting/replacement in inner fender, shock tower or radiator support (Cuda3).

I tried forum search but not much luck.

I had to replace every floor, cowl, & right...

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Author: 1973CudaKJH