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Old January 28th, 2014, 10:05 AM
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Default Check out what we made.

Who ever said two hunkies from southwestern PA cant make a good vacuum pump system. we bought a 900 series briggs and Stratton engine and mounted it to an sp11 surge vacuum pump. We put a tachometer on the engine and I calculated that with a 2 inch pully, the rpms need to be around or <2500. And it works quite well. Here is the video below...

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Old January 28th, 2014, 10:11 AM
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That's impressive. Maybe point the muffler away from the vac pump to keep it cooler?
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Old January 28th, 2014, 10:26 AM
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Heus
We are taking off the gas tank and rotating the muffler 180 degrees and taking 3 inch round pipe out of the side of the building. After running it in that video, the vacuum pump was very hot from the exhaust. It definitely passed the spit test though. It was below zero when I took the video. So tempuratures in the 50s would ruin the pump no doubt...
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Old January 28th, 2014, 10:34 AM
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Why not just switch/flip the motor and pump it will keep the rotations the same and keep it simple.
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Old January 28th, 2014, 10:48 AM
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Quote:
Originally Posted by Haynes Forest Products View Post
Why not just switch/flip the motor and pump it will keep the rotations the same and keep it simple.
What do you mean?
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Old January 28th, 2014, 10:51 AM
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Just put the pump in the motor position. and then the muffler will be pointed out and away. I'm assuming that there are slots for the engine to slide for belt tensioner so work it out like a puzzle.
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Old January 28th, 2014, 10:54 AM
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it was easier to put the pump there for changing the oil because the oil plug is on the right side of the pump and the other way, the belt would be in the way and I would have had to put a hole in the table it sits on to be able to take the oil plug out.
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Old January 28th, 2014, 11:24 AM
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Do like most equipment manf. do 3/8s Street elbow with a 12" pipe with a 90 degree elbow to a plug so you don't have to deal with the stock oil plug. I see you solving one problem by creating another problem. Go to Napa and get a snow plow hydraulic hose and use that as your oil drain they work great. They can take the little heat that is generated.
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Old January 28th, 2014, 11:29 AM
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I find it easier to change the exhaust than to change the oil drain. I'm just a hunky what do you expect
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Old January 28th, 2014, 01:15 PM
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rossell I only advise this because I did the same thing and then the exhaust vibrated loose and wallowed out the holes then I put back on and braced it. Then the area I attached the brace to cracked and took out a section of the muffler and it was so load I said WHY the hell didn't you just flip the motor with the ........................

So it became my life's work to tell everyone there error of their ways.
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