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Changed the injectors to from Bosch EV1 (design 2) to Bosch EV6 (design 3). Another large difference on the fringes of lean burn.
The EV6 design injectors are better atomising injectors and it certainly helps with running more leaner mixtures before lean misfire, helps idle quality heaps, drivability from cold start and smoother driving.
Coupled with the higher coil voltage has certainly been a huge improvement (for me) I didn't really expect.
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