#COSMO #20B back on the dyno after a complete revamp of the fuel system. We installed twin walbro 525 pumps, upgraded all the wiring with twin relays per pump. We also upgraded the bulkhead in the hanger to get as much current to those pumps as possible. Back on the dyno she went, probably hard to video since the turbo is so loud but she sounds perfect . Makes an easy 530RWHP on a measly 12psi of boost 😎 Turn up the volume and listen to this thing sing #raceonly #therotaryboss #raceonlygarage #
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