Can't comment on the orca stuff as Iv not use it,see if you can find the results from ETS and EWS,i run Hobbywing speedo and GM motor,they GM motor is built proof and will take lots of abuse,speedo settings in blinky are probable the same speedo to speedo unless you get a cheep one,Iv run the flow and x20,while its bonkers quick it soon starts to fade as the race goes on,
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