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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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06-30-2020, 05:59 AM | #15 | |
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06-30-2020, 07:24 AM | #16 |
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This problem was solved a little while back by Ultramaroon. A lot of people have reported really good results from swapping the clutch slave cylinder for a narrower bore.
Check out his guide here https://www.ft86club.com/forums/showthread.php?t=77390 Sent from my SM-G950U using Tapatalk |
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06-30-2020, 09:12 AM | #17 |
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They allow MT's in SF?
There's not too many places I would prefer an AT, but SF is one of them. |
06-30-2020, 10:27 AM | #18 | |
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As far as BRZ and FRS having the same clutch system components... they do. Riding your clutch on hills is rookie driving. That explains a lot when you talk about not being able to figure out the driving on hills / curbing your wheels. The DBW system in this car is the closest thing to a cable throttle body I've encountered in DBW systems. |
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06-30-2020, 10:50 AM | #19 |
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I've noticed that the throttle response is better when I switch from 91 octane to 93+ (FYI I always use non-oxygenated fuels). In particular, when downshifting and rev matching the throttle is just "right there" with higher octane fuels.
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06-30-2020, 12:16 PM | #20 | |
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I've had to drive my sister up Spring street from the waterfront to the top of Capitol Hill for the last few months. Giant hill and always get stuck at lights along the way. It's a matter of getting used to the car more than anything else. I usually don't mess with the modes, as I like the fuel mileage and have not gone down the mod rabbit hole. The 2K has lots of torque, but it's all up at the top of the rev range. If you compare, note that the 86 has a huge torque bump down low that you can take advantage of on city hills. I've been more than happy with mine, but I don't swap out vehicles often. Definitely check out the DIY. Lots of stuff has been accumulated.
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06-30-2020, 01:05 PM | #21 | |
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the comparison of FRS/BRZ was to the simpler slave designs from the cars of the 90's and 00's not to each other. some very fast SF-based drivers ride their clutch because it's the most convenient way to drive in the city, most of us would just spend the couple hours replacing the clutch when the time comes because riding the clutch saves us the occasional embarassment of slipping the clutch and missing (sometimes i'll be driving a lady around and i want to pretend like i know what i'm doing). lastly, no knock on you or the cars you've driven but how could you think the FRS/BRZ's DBW system is the closest thing to cable while claiming (or at least alluding to) that you've driven much better machines? Anything AEM infinity, Motec, Haltech is better by a mile is it not? |
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06-30-2020, 01:15 PM | #22 | ||
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06-30-2020, 01:39 PM | #23 |
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I'm surprised that no-one has mentioned but there is no Sport mode on a MT and the AT Sport mode is just for changes in the gearbox. There's no setting that changes throttle response on this car as standard.
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06-30-2020, 02:20 PM | #24 |
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interdasting, it certainly feels different but that may be only my impressions taking off from a stop. is there a definitive source or side-by-side test comparing VSC Sport mode vs. normal in a straight line?
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06-30-2020, 02:36 PM | #25 |
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You can change the throttle mapping and response in the tune. Or you can buy a pedal commander thats plug n play in 2 minutes to do the same.
What are your ltft / stft? the throttle unless right after a ecu reset/reflash is generally considered pretty good for DBW and praised by many. Possibly you have a vacuum and or exhaust leak causing this “delay” feeling. |
06-30-2020, 02:49 PM | #26 | |
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I've only driven in San Francisco a few times, but riding your clutch was always hammered in to be something you dont do. Just drive the car. I guess I should have made a caveat for factory DBW systems, the one in this car is pretty good. As for standalones that is very dependent on setup and tuning. Please elaborate on all these purpose built DBW standalone cars that you're driving and then comparing to your stock frs. |
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06-30-2020, 02:53 PM | #27 |
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I've got an uphill gravel U-bend driveway.
I use a short tap VSC (vehicle stability control) to go up and around it. It turns itself off over 30mph. If I don't do that, the inner wheel hops more and makes bigger divots in the gravel. VSC button on mode reduces amount of automatic electronic brake stability wierdness. If you've encountered this turning from a steep street around a corner I can see where this would put you off a bit. I wish the electronic shenanigans could be shut off, but you can't buy new cars without them anymore. Had to drive a new Carola a while ago. The automatic depart the f'n road steering assist scared the crap out of me. Glad they didn't put that in the twins.
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06-30-2020, 04:06 PM | #28 | ||
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you're free to drive however you'd like in your car, I'll drive the way that I do... It's really not that big of a deal to me to ride the clutch. If it is to you and you're concerned with the replacement intervals or costs, that's totally fine and understandable. you've driven a few times in SF, i've driven here for more than a decade on most of the hills. if i found a better way to navigate the hills reliably, i would have done it. i haven't found anything yet, but i'm more than open to it if you have a better approach. as far as DBW, as a factory system it's comparable in my opinion to the Chevy Cruze and Kia Optima. Better ones in my view are the C7 and C8 corvettes, the later 08-09 s2000's, and even the BMW M cars but that's my opinion on the matter. I mentioned standalones because you stated that the DBW system in the FRS/BRZ is the closest thing you've gotten to cable. I offered to you that I've driven a number of racecars and swapped cars with full standalone systems because they are far better in terms of feel and adjustability (and to me, indistinguishable to cable). I was making the point that if indeed the FRS was the best DBW system you've ever experienced, you clearly didn't have any experience with fast DBW cars. That's all. |
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