there are several people posting on this forum that are a step behind following in your footsteps, only their engine will not be "OK" ... :hahano:

between your comments about the differential, missing link(???), crank, and cam it really comes across like your friend needs to get a more informed helper ...

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not that this is relevant to his problem, but the stock injectors will not cut it on a turbo'd s2k, ditch the FMU and get properly sized injectors