SS suds sucker best on the market and new orifice 3 bucks when they were out I’ve had the same one for yrs worth every penny
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I am confused. I am getting 8 to 1 draw with my standards ds injector.
Didn’t mean to make it a math pop quiz been a long day pump is rated for 8.5 gpm and 3600 psi checked the gpm without injector installed and got 8.5 gpm installed injector with 2.1 orfice and got 13 to 1 then installed 2.3 orfice and got 14.5 to 1 the gpm to the right side is what u will get if u take the hose out of the soap and draw water instead of soap to rinse u would be getting 7 1/2 with the 2.1 injector and almost 8 with the 2.3 injector installed hope that helps 
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What ds injector you using?
On what size machine?
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SS Suds Sucker
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My bad Racer thought u we’re asking me that
3.7 gpm machine. I believe injector is 2.1. I'll have to check to be sure. I would love to find a way to ds 3-4 % solution.
Update: This is the injector: Ultimate Washer UW16-PW70B3. I've bought a SS non-adjustable injector but haven't tested it yet.I was. Figured that’s what you were using to get those draw rates. That’s similar to what I get with mine.
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Then you’re getting about what you should. Smaller machines nearly always going to get a better draw rate.
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Sasquatch do u walk back and pull the soap hose when downstreaming to stop the soap or change nozzles??
I pull the drop out of the mix bucket.
