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Old 06-29-2010, 06:00 AM
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Help an old-timer out...

I've shot acrylic laquer and Rust defender (epoxy primer) before, but I'm not familiar with the modern paints. I'm going to paint my '64 El Camino in the next few months, and have no idea what pressure to use, or what the charactoristics of these new paints are.
I have seen adverts for Dupli-Color Paint Shop brand paints where they advertise the paint as "laquer", so I bought a few cans to do the fender wells and under the hood black, but it didn't seem to act like I remember acrylic laquer acting. Didn't cover as well, and just seemed to be weak.
I'm used to using a Binks model 7 gun, but I understand that no one uses a syphon cup gun anymore, so I got an HVLP Binks gun (don't know the model #)
What pressures do you use when shooting with the Binks HVLP I referenced, and what are your recommedations for primer. I expect to be using a pale yellow top coat so I thought a white primer might be in order.
Please share your knowledge and help an old guy not screw up a paint job.
thanks, JA

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Old 06-29-2010, 08:29 AM
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Most of the HVLP guns use 40-45lbs of pressure. Be careful of using the same gun for primer and then using the same gun for finish coat. The primer tip may be bigger . You may want to go to Binks website and they may have more answers.
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Old 06-29-2010, 09:22 AM
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Check the paint manufacturer's website tech data sheet for pressure and tip recommendations. I usually spray with my regulator at the wall set at 53 PSI. I have 25 ft of hose and run a SATA NR95 HVLP with a 1.3 tip for base. My clear is through my Sata RP3000 digital at 33 psi. If you don't mind the overspray, you'll possibly get a better finish with the model 7. When I bought my NR95 I sold my Model 7 and have finally gotten to where I can spray a similar to Model 7 finish out of my HVLP NR95.
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Old 06-29-2010, 09:29 AM
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I'm surprised to hear nobody is using siphon feed guns any more. I have two that I use daily. :-)

Actually, after over 45 years of painting, the others don't feel right. :-) I also have a gravity feed, and HVLP, but still use the siphon feed for small parts and things like sealer, guide coats, or spot painting.

Don't believe that you need to have the latest trick tool to do a great job. That part comes from being particular about your work, and familiar with the tools and system you use.
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Old 06-29-2010, 02:16 PM
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Tucson, I still use a siphon gun for primer, guide coats. I keep one siphon gun full of lacquer primer all the time. It's great for checking your work.

Most people are too good to use lacquer primer. But you need the latest and most expensive tools and materials to do a good job.

Frank Cox
Cox Custom Cars
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Old 06-29-2010, 03:25 PM
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My tools are mostly antiques, but I do insist on good materials. That goes into how long the job lasts. I like to count on 15-20 years. I've still got some lacquer jobs running around from over 25 years ago!

The newer tools will save some manhours though.
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Old 06-29-2010, 03:53 PM
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Thanks for all the replys, guy. I also have an old DeVilbis I've used mostley for Primer. I may just stick with the Binks Mod 7.
I never shot much enamel, but are the newer paints shot more like enamel than laquer? I remember higher pressures with enamel.
JA
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