Quote:
Originally Posted by BMWM.D.
Does anyone know if this is going to be the officially recommended oil for 2017/2018 ZL1? That bulletin only mentions 2019 models. I’m going to assume that no mechanical changes were made to the LT4 for 2019, which would make me think that GM would make the change official across the board.
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Please confirm...my dealer is being very particular about this. BTW the link works for me now too?
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DAVENPORT STAGE 2 PLUS - 2" ARH ceramic coated headers - 3" ARH catless exhaust - Stock NPP mufflers - Kong ported SC - Katech 103 ported TB - Rotofab 5" Big gulp CAI - 22.5% lower pulley - ATI Harmonic balancer - Cordes SC expansion tank - MSD hi temp ignition wires - Koolsox spark plug insulators - custom tunes - 660hp/725tq pump - 713hp/763tq race