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I finally got to the point where I could put some primer on my car so I broke out the new gun I bought from a local tool shop a few months ago just for primer. After reading your problems I thought I would take it apart and see what I would find before using it. And wouldn't you know it I found what looked like a lot of oil in it. I rinsed everything with acetone then sprayed a cup of acetone through it. Hopefully I won't see any fisheye when it comes paint time.

Originally Posted by Mr Smith

I finally got to the point where I could put some primer on my car so I broke out the new gun I bought from a local tool shop a few months ago just for primer. After reading your problems I thought I would take it apart and see what I would find before using it. And wouldn't you know it I found what looked like a lot of oil in it. I rinsed everything with acetone then sprayed a cup of acetone through it. Hopefully I won't see any fisheye when it comes paint time.

Glad you found the oil and purged it. Generally if you put a charge of lacquer thinner in the gun and shoot it through it should clean out the critical areas, but with anything made in China or the Pacific Rim and shipped in you may have some pretty heavy preservatives, like cosmoline.

I'm still not sure what caused my problems, but I bought a new gun today and it shot primer great. In defense of the Harbor freight gun, I did buy a gun mounted regulator with this new gun, and I had not been running one before so I really have no idea what my pressure was at the gun with the drop through a 50' hose. As I was headed out to the shop this morning I did notice this on the counter that seemed to be appropriate to my problems. I don't think we'll buy any more of this stuff, just in case .....

That certainly could have contributed to the problems in oh so many ways.

Originally Posted by stovens

That certainly could have contributed to the problems in oh so many ways.

The bottle is full and unopened....

Originally Posted by rspears

The bottle is full and unopened....

Roger - I think we MIGHT have believed that statement had the cork not been so conveniently pictured. I'm with Steve > Now about the Fish Eye(s)...........

Originally Posted by stovens

That certainly could have contributed to the problems in oh so many ways.

I'd prefer a nice Port!

That is good news Roger! Glad that you're ready for assembly, (read that as jealous)...

I found that with HVLP, the only way to get a good result was to know the exact pressure, so I had a gun regulatore even on my primer gun (also HVLP). I had to have the regulator. I couldn't remember enough from my college fruids (I had a Chinese prof) class to calculate it.

Originally Posted by Henry Rifle

I found that with HVLP, the only way to get a good result was to know the exact pressure, so I had a gun regulatore even on my primer gun (also HVLP). I had to have the regulator. I couldn't remember enough from my college fruids (I had a Chinese prof) class to calculate it.

You mean carcurate?? I had one too, but in a machine analysis six week summer session - it was a breakthrough when I finally discovered that the parrarraragram raw was simply the parallelegram law

This is what worked for me. This first photo is a fairly good gauge 0-100 rather then the usual 0-160 $5 POS that is usually supplied with a gun regulator. It's also non restrictive.



This second photo is my actual regulator and it's on the air dryer outlet.



These are my dryers. The photos are 'early' in my painting and were taken before I had added the regulator.



My reasoning for these devices is that I can regulate the air to the gun before the hose, then check the PSIG at the gun. I can then remove the gauge, leaving myself at least another foot of floor clearance without that poor ball valve and gauge arrangement (figured with the hose curl and possibly a last chance filter as taking that foot) plus maintaining gun balance

Like I said, it did work just fine for me

Good setup Dave!

OK, this is not one of those scrubbed shop shots, but here's the status as of about 10am this morning. I haven't added fluid to the differential, tranny, engine or master cylinders yet, but everything is buttoned up and tight.

NICE! Very Very Nice! Good Job!

Sweet looking! Love the look of the megaphones.....

David

Roger,

Great work. Times like this make you feel like you're making progress, don't they? Looking at this makes me think about how I would do it if I started all over again.

BTW, I'm waiting to see if Kansas charges you more to license it than you paid to build it.

Originally Posted by Henry Rifle

Roger,
BTW, I'm waiting to see if Kansas charges you more to license it than you paid to build it.

Bite your tounge!!!

Scary thought with taxes. I had set aside a couple thousand bucks for NY taxes and fees - all they nailed me for was $119 plus a two year license fee and $10 for the actual plates for a total of $179. Now I have enough left over to pay for the new seats I need for knee to chin clearance(they're coming Friday)