RC - 1st Gen (2015-present) Discussion about the new Lexus RC model

300 vs 350 3.5L actual differences?

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Old 03-06-16 | 12:52 PM
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Default 300 vs 350 3.5L actual differences?

Anyone know what the real differences are between the 2 engines?
Is it compression, valves, injectors, or just tuning??

thanks
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Old 03-06-16 | 11:14 PM
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Cubic inches via the stroke ?
Old 03-07-16 | 12:17 PM
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Marketing?
Old 03-07-16 | 12:53 PM
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Well, what I was thinking, .... is that IF it's the exact same engine, just with a different ECM Tune, ... then it would seem possible to RE-Tune the 255 Horse model for 305 Horses.
Old 03-07-16 | 10:21 PM
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Details on this from SAE.org:






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