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Hi. This is in the very early stages and I am too busy to get going with this but I have done one pump. Vapour blasted casings and impeller and then cerakoted https://youtu.be/SzpS-5OfyUU?feature=shared (I do the manifolds in this one) https://youtu.be/Xu8rhfyhHAM?feature=shared they have a range of coatings for different applications and the firm I used were very helpful in helping me use the correct coating. The shaft is machined to allow stainless steel washers to be bonded on the running face for the seals. I have also sourced some ceramic bearings to try, Thought around this was if we can seal the pump then more robust bearings are not required but the location of the bearings in the car wees them hit with all sorts of road debris. We have one fitted on a car. I have done 50 miles in the car and then the customer parked it up so it has been stood 4 months. Just got the car back for some modifications and it started and ran into the workshop and the pump is dry and no signs of corrosion on the outer surfaces. Nest stage of testing is to deliver the car back and get them to do some miles but that could be next summer. I am going to do the pump on the rally car and may do one other and see if I can find someone to winter test it to get some miles on one of the pumps.
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