numbers match question

on a 69 Coronet 500 - 318 904 8-3/4 car that needs a resto. The car is all there but it has new Quarters put right over the old Quarters done years ago, the motor leaks and is weak, But the floors and int is nice. Has aftermarker wheels, headers, intake & carb. On this car my question is:

Would it matter on value of the car, up or down, if the transmission was not numbers matching?

(I know my awnser to this question, I would like to hear yours) :violent1: