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We are making 335 WHP from 4000-7000 rpm. We are using a a Borg Warner EFR. We run 21 psi boost. We did replace the rods, pistons, increased valve spring pressure. We haven't tracked it yet, but we are anxious to get there soon. We really like the EFR's as they are internally waste gated and also an internal blow off, simplifies installation. I don't have any pics here, I'll have Kyle post some pics tomorrow.
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