I am going to abstain from jumping in on the price quoting because I think that area has been covered but there are several questions I have back.
First off, please define what "show quality" is. I hear that word alot but when I ask someone to describe it it is usually followed by a long pause of silence. Therefore I guess it is like the Supreme Court Justice said about the definition of *****, --"I know it when I see it." My point is if you want all the dents removed and the panels straight, and you do not want any 'Runs, Drips, or Errors', doesn't that really describe the paint work on a show car? It also sounds like a paint job on a brand new Ford pick-up! So how are you going to convey exactly what you want to a craftsman who's name is going to be attached to his work? Generally speaking, the honest craftsman does the best of their ability on each job. The difference is that some craftsmen are more talented than others. Therefore expecting that person to do a better job than they are capable of is unlikely to happen, ...and expecting a great craftsman to lower their standards to meet your lower demands usually don't work either.
The next series of questions is where do you stop on the paint job? Do the windows need to come out to do a good job? What about the windshield or visor? What about the door handles? What about the cowl band or cowl lamps (if so equipped w/ either)? What about the fenders and body aprons, --do they need to be removed? What about the top material or drip rails? Finally, how would we deal with the old enamel paint? Personally I would not be interested in painting over it because I don't want my name attached to the upcoming failure that will likely be eminent.
The next line of questions is what year is the car because that greatly affects the amount of labor. To do what I would consider a satisfactory job will require removing body aprons, running boards, and fenders. At a minimum the fenders need to come off but a 1930 fender is much more work to remove. Does it have hood shelves? I could go on but it all comes back to what is acceptable to you and the craftsman.
My personal advice to you (and I have not even seen this car!) is to pass on this one. I tell folks that a re-paint is 1/3rd - 1/2 the price of a full restoration. The reason I say that is because we have done many re-paints and they always start off by saying "The car is very solid and all we need to do is ...." Then within the first hour of the process, something major has surfaced and it usually spirals downward from there. I've seen everything from fenders tack-welded onto the body, to screen wire & Bondo used to sculpture an entire body panel. Once any of the defects are found, what do you do? There is no way the craftsman can quote a price for work they cannot see, ...and now you are over budget. The only other advice I can offer you if you have decided to overlook the advice I gave in the first sentence of this paragraph is to find a shop/craftsman who is in the Restoration industry and not in the Collision Repair industry.
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