This is a Small block Chev Oil pump I modified for collecting and transferring Waste vegetable oil.
I blocked off the original inlet and outlet ports ( too small) and cut holes in the pump housing using a drill and rotary file to fit 1" Gal water pip elbows which I then MIG welded in.
The motor is a 24V, 300W, 2750 RPM electric scooter motor. The coupling is a lovejoy 050 with a 8mm jaw for the Motor and a 1/2" jaw for the pump which had to be shimmed slightly with a couple of layers of Coke can for a snug fit. The Spider is the standard material. After more than 12 month of use and pumping more than 20K L of oil, everything is still in perfect condition.
The pump and Motor are welded to the steel mount so they don't move and there is nothing to come loose. The pump and motor are slightly misaligned. This was done on purpose as I found by welding on the pump and then running it, with the motor slightly offset the pump ran quieter and smoother. I am guessing this is because of the torque the motor applies to the gears is not ideal when everything is precisely aligned.
The Pump will move fats so thick they extrude out the hose and will hold their shape.
The hoses used are a little less than 1" and I made up a wand out of 1" plastic pipe for vacuming up the oil from drums. There is a piece of clear hose near the elbow on the wand so I can see if I am getting too much fat or water through. There are no screens on the pickup and I have only jammed the pump once or twice. Because the motor is DC, it is easy to reverse the connections and unjam the pump and spit the debris out.
Pieces of burnt chip etc are simply crunched through and I have found other things such as chicken bones in my settling tanks the Pump has crunched through without me even knowing.
As seen in the Video, The motor can run at 24 or 12 V. it is much quieter ( almost silent) at 12 V and takes longer to heat up when pumping large amounts of oil or using long runs of small hose.
The pump self primes quickly and is capable of large lift and head heights.
Because it is a positive displacement pump, the flow cannot be stopped with valves, the motor itself has to be stopped in order to prevent blowing out hoses or stalling and burning out the motor.
I have the same pump coupled up to a 240V motor for using around home and transferring oil between settling tanks.
Can you please tell me what brand scooter you used.
buddyjim0209 1 month ago
Great stuff, thanks
diesel4less 10 months ago
So does this setup self prime?
mooman333 11 months ago
I've used the chevy pumps for several things, but your mod with larger inlet and outlet ports real moves some oil! Nice compact motor you found too.. hats off!
George B Utterpower
georgeutterpower 1 year ago
That's Quick!
nearclothing 1 year ago
Didn't realize how well SBC oil pumps work. Good work.
joefacc 2 years ago