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BRZ Second-Gen (2022+) -- General Topics General topics for the second-gen BRZ |
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02-10-2021, 06:22 PM | #71 |
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Just at an opposite data point, when I drive to a track day at Thunderhill, it's a 3+ hour drive with 70 mph speed limit on a significant chunk of the road, and almost no traffic. The short 6th gear keeps the rpms pretty high, and I'm not enjoying the noise level. I would prefer to keep the engine below 3k rpm at those speeds, and I don't mind downshifting to 5th whenever I need more power.
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02-11-2021, 07:51 AM | #72 | |
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02-11-2021, 09:04 AM | #73 | |
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As you said, the silvia was used at 200 lb/ft. They didnt want it for the 2JZ (220 lb/ft) for the lexus 300. The new car is 184, well within those marks (which we can assume are manufacturer 'lifetime reliable' tolerances. I'd also wonder if lexus has higher tolerance requirements owing to its premium brand too. They said 80% was changed (which is also on the old product development brocher), not sure how accurate that is certainly says that they did a lot. One description in that article also points to gears being bigger "however clearly there are guides and larger gear teeth than the previous units" when comparing it to the altezza version), which could indicate a bit of strengthening. |
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02-11-2021, 09:49 AM | #74 |
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This is another video in a similar vein I found interesting...
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02-11-2021, 12:22 PM | #75 | |
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While the twins may be very well suited for track duty when appropriately equipped, the percentage of owners (vs. FT86 posters) who actually track these cars is tiny, and Subaru/Toyota would be crazy to set gear and FD ratios primarily for that market. I'd like to see the current FD ratio retained but a taller sixth gear provided that allows you to lope along at about 2800 rpm at 75 mph. With the new engine's torque curve that rpm range should be more than adequate for keeping up with traffic while eliminating most engine or exhaust drone. |
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02-11-2021, 01:31 PM | #76 |
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I suppose they will choose whatever ratio gets the best MPG while allowing the car to maintain expressway speed up small inclines with cruise control on. OEMs do have to think about that kinda stuff..
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02-11-2021, 01:43 PM | #77 | |
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I certainly don't believe they will set gear/FD ratios for the track market. I personally love the gear ratio for the streets. After owning this car, I've learned that taller gears just aren't for me anymore (at least for the little time MT's have left in this world, I love the quick shift experience)! But what you say is true and would do no harm to the many who complain about it. Consider though, that for a significant change in sound and annoyance, you'd want to be running even less than 2800 RPM. Currently with the 4.3, you're at 3140 RPM @ 70. 340 RPM may not do enough justice to sound difference - yet it changes the 6th ratio by quite a lot: 0.767 down to 0.688. I'm sure you're doing over 70 at times, so you'll still be hitting over 3K RPM all the time. You'd be looking at low 0.6 or even high 0.5's to get what you want in 6th, and I would despise that. In any case, I'm not here to argue over this, I understand your point, I am simply on the other side of the fence where I don't mind the ratio so much. |
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02-11-2021, 02:41 PM | #78 | |
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Like mentioned, not only do you get a more fun driving experience, but you also (in most cases) are quicker on a road course. Obviously it's a generalization, but it's strong enough of one that the OEM's give their performance cars a numerically higher FD. Don't really see any examples of the other way around, and that's for a reason.
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02-11-2021, 05:45 PM | #79 | ||||
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For me, I don't really care as long as 2nd gear is in the meat of the powerband around by around 40-45mph and ratios 2-6 are nice and close/tight. Last edited by ZDan; 02-11-2021 at 06:51 PM. |
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02-11-2021, 06:41 PM | #80 |
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I'd prefer 5-6 to be a bit less close than the first gen. If you are going for maximum speed, 5th is going to be your top gear on something like this. 6th is for cruising and I don't really care if it is suboptimal for acceleration.
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02-11-2021, 06:54 PM | #81 | |
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4100rpm cruise at 75mph in 6th didn't bother me in the S2000... |
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02-11-2021, 09:26 PM | #82 | |
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For the highway, I can see needing some torque in top gear, but I think that's not going to be a problem with the new engine. |
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02-12-2021, 09:22 AM | #83 | |
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02-12-2021, 05:33 PM | #84 | ||
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At Laguna Seca I have no problems with the 4.3 final drive, but at Thunderhill I keep hitting the rev limiter before every a few too many corners. I'm also quite scared of the prospect of hitting the rev limiter in T8 there as I learn to carry more speed; that corner isn't going to be very friendly in case of a sudden loss of thrust... |
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