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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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01-03-2023, 10:54 AM | #29 | ||
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Initially my main concern was trying to keep overall weight to a minimum (the supercharger and other upgrades was a painful excercise in adding weight), so the single piece helped claw some valuable kilograms (5) back. But the first alloy shaft ended up adding (strangely, not immediately but after a few months of use) an annoying high pitched whine on a trailing throttle, which was solved by changing to carbon. For me (personally) the possible secondary safety benefits in specific types of impacts is not persuasive... but living with an annoying whine from the alloy prop shaft again, that could be the final straw! |
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01-03-2023, 01:27 PM | #30 |
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Ugh that sucks. I daily drove on a DSS AL driveshaft for 2 years and loved how amazing the shifting was, but the NVH was insane and the car felt noticeably slower when accelerating at highway speeds in higher gears (due to larger diameter maybe?). I took it off eventually
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01-03-2023, 01:46 PM | #31 |
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I'm not a fan of 2 piece driveshafts. I could always feel the play in the center bearing at low speeds. Changing to one piece made it much smoother. I did the same thing with my Isuzu Rodeo years ago after having to replace the center bearing twice. Had a custom one piece made. Never had a problem after that. Huge upside in my book.
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01-03-2023, 02:09 PM | #32 |
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This is what gets me. I don't like the presence of a center bearing. My VR4 was 3 piece and it was like playing telephone vs going 1 piece. I love the CF driveshaft on my FRS, hopefully Grump figures out what works best for him
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01-03-2023, 02:25 PM | #33 |
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01-03-2023, 08:29 PM | #34 | |
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01-04-2023, 10:39 AM | #35 |
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01-04-2023, 02:52 PM | #36 | |
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01-04-2023, 03:12 PM | #37 | |
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don't judge
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01-04-2023, 03:15 PM | #38 |
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well I still have the whiteline subframe inserts and after I took off the DS, I went and installed both front and rear diff bushings again haha. I love the feel and it reduced wheel hop a bit
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