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Anyone have hole location diagrams for inner fenders, frame rails and radiator support - 1970 road runner?

torredcuda

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I have the firewall diagram but want to figure out which holes are factory and which ones are not as previous owner(s) drilled a bunch of "extra" ones.
 
Put a piece of tape on all the heater box mounting holes and insulation plug holes to start with. Process of elimination
 
I would think the "extra" holes would be easy to spot as not done by factory.
Most are but I was hoping someone had a diagram like the firewall one that makes it easy, I`ll take some pics of the ones I am questioning.
 
Hole marked with tape needs to be welded up, not sure about the two to the left?

20250330_132736.jpg
 
I have a 70 and 68 in the shop, both apart and pretty much original under the hood......... ill post some pics later today
 
Thanks! I`m fairly confident the inner fender holes are all factory but not sure about the ones on the frame rail, mine is manual drum brake car if that matters.
 
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