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Power Strokes
6.4 Aftermarket
76MM ball bearing turbo VS. stock journal bearing
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[QUOTE="MorganY, post: 896091, member: 3115"] They were oiled. Ceramic ball bearings have MUCH less friction than a journal bearing. They require restrictors. Too much oil in a BB will actually cause windage and will affect spool up in a negative way. Also how do you explain a BB CHRA with more rotational mass, accelerating faster than a lesser in mass journal style unit? Think about it...the friction component is greatly reduced. Blade counts, trims, exhaust manifolds, cylinder firing, etc. all have affects on spool up too... I'm not taking away from that. Just trying to get the basics out there. We have to stop mucking this thread up, let's take it to another section. OP, my apologies. GLWB [/QUOTE]
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6.4 Aftermarket
76MM ball bearing turbo VS. stock journal bearing
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