Now that the weather will be getting better I am planning to get back after the Chevelle. I plan to strip the car bare and then refinish in my garage. I have done some painting in the past (15 years ago) and want to try the new HVLP guns. I am thinking about getting a new Sharpe - perhaps the Titanium model.

One question I have is weather it is feasible to use the same gun for everthing. Is there a single size which will work for everything? Is it possible to get the gun clean enough after primer to use for base and clear? I have access to an old Devilbis and Binks gun which I could use for the primer, but I would like to minimize overspray as well as get the feel for HVLP before going to color. Any comments would be appreciated.

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1968 Chevelle SS396 - Yellow 4 speed, air, factory Buick interior
1998 Camaro Z28 - 6 speed
1999 Nissan Maxima SE - 5 speed
2000 Passat Wagon - 5 speed tip

I personally have had no problems doing the exact same thing.. I have a 1.3 tip platinum and have sprayed prime, sealer, Base, and clear, Along with metallics and pearls.. I cleaned my gun, disassembled and cleaned again before each stage.. I haven't had any problem so far...

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X-Ray View of my Chevelle :D (http://www.normieschevelle.com/sideview.jpg)
Getting Closer (http://www.normieschevelle.com/passfull.jpg)

Normie is right on. The same gun will do the job. Just make damn sure you clean the gun out totally complete. It has to be a new gun everytime. You might have to change settings a bit for the different viscositys but it'll work just fine.

IT's in the cleaning

Funny thing is that Titanium 1.3 is probably the best primer gun out there for most med to high solids urethane primers.
Of you read my "Atomization basics" I tell a short story about how well that setup works. The gun used was a "Platinum" which was the "old" Titainium.

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1965 Buick Gran Sport Convertible
1965 Buick Skylark H/T
"Fan of most anything that moves human beings"

Thanks for the input! Based on the comments here, I decided on a 1.3 Sharpe Platinum. Just to be sure, I called Sharpe and they told me this gun will "over atomize" primer and therefore it will not fill the way it is supposed to. Was told I would be blaming the primer when it is the guns fault. It was suggested that I purchase a 1.8 Cobalt gun for prime and the 1.3 Platinum for base / clear.

I realize that Sharpe is in business to sell guns, but is there any merit to what they are saying? I would prefer not to buy two guns if I did not have to.

I am a beginner to painting myself, and had asked the same question to the paint supplier. They gave me product information sheets on the paint I am going to use. The info includes surface prep, mixing ratios, dry time....and so on. It also gives fluid tip recomendations. For example (PPG), DCP 270 (high build primer) a 1.4 - 1.6mm tip is recomended, but for, 2000 DBC (basecoat) a 1.3 - 1.5mm tip is recomended. I purchased a gun with a 1.5mm tip so I can spray both products, But if I wanted to spray a completley different paint I would have check the product info to see if I could use a 1.5mm tip for that product.
My advice is select wich products you want to use, and check the recomended tip size for all the products, then buy the gun with the correct tip. And also make sure your compressor supplies enough CFM

When you called Sharpe, did you get info on their Factory Refurbished Guns. You can buy a F/R Platinum AND a F/R Cobalt for less than the price of a new Platinum.