Okay

Got my inners painted and mocked up.

The NOS fenders I bought were sprayed with the Dupont yellowish primer (DP200?)

My body guy says just rough up the inside and all the places I don't want color on and spray with same paint that I used on the inners.

Where do I stop with the black and start with the color?

If I reprime the fenders to match the rest of the car or do I just prime the area that will have color?

thanks
Joe