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OK - I ordered the 'big' version, but got the little one. I kinda need some oil so I guess I'm keeping it (still want the big one for home - I'll use the 'lil one on-the-road).
Anyway, I put 10ft of 3/4" ID braided vinyl hose w/a peice of 3/4" PVC on business end and also stuck a 'foot valve' on end of PVC to prevent oil dripping out of hose after use - also keeps pump 'primed'. Priming not an issue, btw - it is a diaphragm pump, therefore capable of significant vacuum w/o any liquid present. For now, I have a peice of cheap garden hose on discharge. At 5/8", that is prolly slowing the volume down a little, but still very acceptable.
So what'd it do???!!! I pumped VO in and out of tank on truck using a cubie. I estimate about 2.5 plus gals/min - oil was prolly 70*F plus. It was also stealthy-quiet!! Ya hear the cars 100yards away on the other side of the building drowning out the gulp, gulp, gulp of the pump. Oh, I only had a 10amp fuse in-line too! I'd buy this before the fill-rite anyday - but I'd love to pit the two in a race (I'd ditch the foot-valve and run 3/4" discharge line for a bit more volume from the Gulper to make it a fair race!) First warm oil - then cold, sludgy stuff...
here's a couple pics:
here's a video:
I'll get some better video when I get a switch in-line and have a helper so I don't make a mess - I was pretty nervous that hose was gonna jump out and show me how much oil each gulp delivers to the ground!!! I pumped it back into tank too, but I learned I'm not good at shooting video w/phone yet (hit pause instead of play
)
Anyway, I put 10ft of 3/4" ID braided vinyl hose w/a peice of 3/4" PVC on business end and also stuck a 'foot valve' on end of PVC to prevent oil dripping out of hose after use - also keeps pump 'primed'. Priming not an issue, btw - it is a diaphragm pump, therefore capable of significant vacuum w/o any liquid present. For now, I have a peice of cheap garden hose on discharge. At 5/8", that is prolly slowing the volume down a little, but still very acceptable.
So what'd it do???!!! I pumped VO in and out of tank on truck using a cubie. I estimate about 2.5 plus gals/min - oil was prolly 70*F plus. It was also stealthy-quiet!! Ya hear the cars 100yards away on the other side of the building drowning out the gulp, gulp, gulp of the pump. Oh, I only had a 10amp fuse in-line too! I'd buy this before the fill-rite anyday - but I'd love to pit the two in a race (I'd ditch the foot-valve and run 3/4" discharge line for a bit more volume from the Gulper to make it a fair race!) First warm oil - then cold, sludgy stuff...
here's a couple pics:
here's a video:
I'll get some better video when I get a switch in-line and have a helper so I don't make a mess - I was pretty nervous that hose was gonna jump out and show me how much oil each gulp delivers to the ground!!! I pumped it back into tank too, but I learned I'm not good at shooting video w/phone yet (hit pause instead of play
)
I want to reiterate this pump is likely capable of moving more oil/minute than the way I have it set up. I'm gonna go ahead and put a 3/4" ID hose on discharge-side and re-test later today (w/o the foot valve as well) if I get a chance. 
(even if its allegedly from a college/university!
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