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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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04-29-2021, 10:26 PM | #29 |
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Yes, right filling level of oil in our gearbox (approx 2.2lr) is "measured" by filling hole .. so worth noting to ensure that one does it with car level, not on eg. some incline floor or just one end lifted with jack, as both over- and under-filling may worsen shifting feel.
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04-29-2021, 10:43 PM | #30 | |
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Last edited by T_Squadrito; 04-30-2021 at 02:34 AM. |
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04-29-2021, 11:41 PM | #31 |
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Given your situation, I think you are probably best off getting assistance. I'd probably avoid the shop that believes in magical Subaru lubricant elixirs. Just grab 3 qts of a good tranny lube and find someone who knows shit from shoe polish to put it in for you.
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04-30-2021, 01:02 AM | #32 | |
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I’ll see if I can call ahead to a place tomorrow to schedule a quick appointment |
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05-05-2021, 05:50 PM | #33 | |
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What I immediately noticed.... Holy hell thats so much better..... People complain about cold tranny feel with motul (and redline but more motul) omg... its so much better. night and day... if daytime was literally being inside a solar flare and night time was being swallowed by darkmatter. I can easily begin rolling without feeling the tranny at all as low as 1800 rpm and I am not clunking along in first anymore at 6mph, in fact, I was cruising at 3mph earlier clutch fully off and was rolling nicely just above idle rpms with not problems or weird sounds or feelings at all. Not all but a LOT of the jerkiness is gone in second. Getting into second got a little better, but mostly in terms of sound. I still feel the hard gate but I dont HEAR it anymore and I intentionally did some sloppy shifting and I cant intentionally make the gears grind on cold tranny at low RPMs without just completely going full novice mode on it. I revved in third to near redline and no more tranny smell. Thats all gone. The whole thing feels good as new. Any and all tranny feelings I AM feeling, I can now distinctly identify what I am feeling and can tell that it is supposed to be there, and the tactile feedback, or at least a lot of it, has moved from the shifter down to the pedals which makes me VERY happy. Again, I want to try redline so I certainly will on my next change, but even the motul is making me happy. There is a LOT of debate as to whether motul 75w90 is overly corrosive on the BRZ since it is GL5. Motul documentation has been presented that says its safe but a lot of people who I cant identify their exact expertise in the area say its a no-go based on the service manual... but the service manual has also been changed to my understanding to possibly include GL5 so IDK. I am sure someone is going to absolutely roast me for the decision and give me a firm "I told you so" when winter rolls around here up north. I see some people saying the BRZ likes to have MTF changed every 15-20k miles instead of 25-60k. Can anyone confirm this? I don't mind changing it anually, especially if I feel an improvement like this every time, haha, but I am very curious since its not exactly a one size fits all type thing. |
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05-05-2021, 09:36 PM | #34 |
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I swapped out the clutch petal assist spring to the mtec one, which helped me feel the engagement better for the less jerky shifts. I also adjusted the clutch petal to be lower and match the height of the brake petal and changed the actuation point. Swapped in motul gear 300 for smoother shifts. Some mtec shifter return springs made it feel much snappier back to neutral and i put on a weighted shift knob on which also seems to help push the car into gear.
The difference was night and day. I can feel the actuation point and its much smoother shifts with the motul and weighted knob. From stock it felt like a 'toy clutch' if that makes any sense. Here at the end of the month ill be putting in sti trans mounts as well as the perrin shifter bushing to tighten it up even more. The only other thing i have seen people do is shift fork and ball when changing the clutch disk, and a swap in a clutch slave cylinder and hydraulic line (https://www.ft86club.com/forums/showthread.php?t=77390)
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Last edited by Spawn_Of_Creation; 05-05-2021 at 10:17 PM. |
05-06-2021, 12:20 AM | #35 | |
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05-06-2021, 02:10 AM | #36 |
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2014 car and still on stock primacies? You keep buying them (they are relatively very expensive tires) even if you don't like them, or are still on now badly worn and aged initial set?
In my eyes nothing wrong with primacies, except price. They are not the grippiest but it may add fun factor for some. But their cost makes it bad choice to get another one set, once initial "free one" is worn. And i wouldn't judge them if on top of limited initial grip one throws unreasonable wear on top. |
05-06-2021, 02:25 AM | #37 | |
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05-06-2021, 08:47 AM | #38 | |
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But to the fun factor... fun for me? Sure, a bit.... fun for the bmw driver coming around the opposite side of a corner at the stop light? Nah I think they shat themselves as a car going a mere 8mph was canted at a full 25 degrees staring straight at them... �� thankfully I know how to steer if nothing else so I stayed in my lane the whole time and all is well but they didn’t seem too thrilled lol Last edited by T_Squadrito; 05-06-2021 at 09:22 AM. |
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05-06-2021, 08:53 AM | #39 | |
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Last edited by T_Squadrito; 05-06-2021 at 09:23 AM. |
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05-06-2021, 12:06 PM | #40 |
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T_Squadrito: fun factor more like occasional tire chirp here and there in roundabouts at normal speeds or when starting going a bit more aggressive .. nothing at level you see on those 7 year old hockey pucks. My rule of thumb is to not use tires more then 3 years even if they still have legal thread depth left. If i have driven not enough tires for it to left (never happens, once i started track day hobby, lol), i'd just sell them off for partial cost recoup of next new set instead of trying to wear them down .
Stock primacies when NOT in such sad state of age and wear are not THAT bad. I still don't advise next set to be primacy HP .. they just cost too much, mostly because of that. But there are many good tires out there, you can change to, don't blame these poor elderlies for not showing good results at olympics |
05-06-2021, 12:20 PM | #41 |
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I urge you to skip the spring. Swap out the slave cylinder. It's much easier than my DIY thread seems. I was just super detailed about it for the sake of the beginner. It is the only thing that truly addresses the issue.
The line is purely cosmetic in this case. I was new to forums at the time and didn't have the courage to decline well-intended input. I'm on my third set of Primacys. Thanks, @humfrz!
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05-06-2021, 01:49 PM | #42 | |
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