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Old 01-10-2018, 10:51 AM   #6
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Join Date: Jan 2018
Location: Houston
Posts: 121
Thank you guys I am using 5w40 royal purple.Porsche was not happy with my chose.I have seen the updated spring and plunger . My only concern is the new piston has a chamfer on one end . I would assume the chamfer edge face down.but dont know for sure? You guys and this forum rock..!
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