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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 11-01-2019, 07:20 PM   #43
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Yeah when I have the time to go back in neutral and shift into gear again itís usually very smooth. I find it hard to believe the synchros or fluid wouldnít have anything to do with the transmission behavior?


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well what are you gonna do, open up the box and replace the synchros? the synchros are fine, AISIN has had plenty of experience making gearboxes...and as far as fluid is concerned, do you really think what the factory fills it with would be that compromised compared to the off shelf stuff we can buy? if you read the threads about people changing fluids, plenty of those folks say they still get crunchy/notchy shifts after changing the fluid, etc.. just another function of the car where function takes precedence over comfort/NVH/etc
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Old 11-01-2019, 07:23 PM   #44
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firefox can't quote you. Credit to spuds for linking my diy in post 9.


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Old 11-01-2019, 07:32 PM   #45
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firefox can't quote you. Credit to spuds for linking my diy in post 9.


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It's all my fault again!
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Old 11-01-2019, 07:35 PM   #46
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It's all my fault again!
I'm puzzled by the nature of your game.
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Old 11-01-2019, 07:48 PM   #47
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well what are you gonna do, open up the box and replace the synchros? the synchros are fine, AISIN has had plenty of experience making gearboxes...and as far as fluid is concerned, do you really think what the factory fills it with would be that compromised compared to the off shelf stuff we can buy? if you read the threads about people changing fluids, plenty of those folks say they still get crunchy/notchy shifts after changing the fluid, etc.. just another function of the car where function takes precedence over comfort/NVH/etc


Concerning the synchros no I would not do that, unless Toyota paid for it. I had (canít remember the gear now) synchros replaced on my WRX under warranty. That 5 speed had a rep for being fragile, I always shifted more carefully because AWD. Idiots launching it from a stop would grenade the transmission, or adding a bunch of power would destroy it. I remember swapping it for the STi transmission was a popular option.

About a fluid change, welllllll, Toyobaru knows best for most things. Many ďupgradesĒ for the twins arenít always a true upgrade. But Toyobaru also has price points and service intervals to consider. So a company like Motul or Amsoil can make a product that can outperform OEM stuff. Iím not saying those are necessarily better, but I think itís worth a try. The BITOG forum is a minefield of conflicting information and opinions. Anything to do with oil and transmission fluids involves voodoo and black magic.


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Old 11-01-2019, 11:44 PM   #48
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I'm puzzled by the nature of your game.
He's angling for the supremes courtre
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Old 11-02-2019, 12:33 AM   #49
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He's angling for the supremes courtre
I blew a good half hour trying to come up with a clever reply but I just spun my pedestrian wheels.
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Old 11-02-2019, 10:34 AM   #50
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I've actually been considering another one with a manual for a track car only.

It is a good car. The biggest factor when I went with the CRZ was I had a 42 mile one way commute at the time. 6 months after I bought it my company moved airports and my commute went to 19 miles. I only had 25K on the car after 4 years.
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Old 11-02-2019, 10:38 AM   #51
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1. Do you experience a lot of crunchy gear changes from 1 to 2? I find the 1-2 shift especially tricky, which is unfortunate because of how many times you make that shift.

- it's a very mechanical feeling box, stock fluid is meh. Currently on Amsoil MTG 75W90 and it's fine imo.

2. Is the ďtractorĒ sound normal when you are in a higher gear at lower rpmís? My car really sounds like a little tractor in that situation. Lol Itís especially noticeable when you are in say 2nd gear slowly moving through a parking lot.

- I wouldn't call it a tractor sound, but yes it does have a particular sound to it if you're pulling low revs like that.

3. What is the consensus on short shift kits? Iím worried about spending a bunch of money on one and not being happy with it. I added a oem TRD shift knob, which surprisingly feels lighter than the stock one. I really like it though.

I don't like short shifters but I like a heavy shift knob. I guess I wouldn't like the TRD.

4. Is removing the clutch assist spring a helpful thing? I agree that the clutch takeup is a little strange, but my issues arenít with the clutch pedal.

Clutch assist spring has to go. The clutch on this car is pretty light even without the spring, all the spring does is make it harder to modulate the friction because the feedback is deader than the dead pedal on an automatic.
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Old 11-03-2019, 01:08 AM   #52
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My 1-2 was like that on the street. Hot on the track it was smoooth. Don't worry too much about it
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Old 11-03-2019, 01:22 PM   #53
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well what are you gonna do, open up the box and replace the synchros? the synchros are fine, AISIN has had plenty of experience making gearboxes...and as far as fluid is concerned, do you really think what the factory fills it with would be that compromised compared to the off shelf stuff we can buy? if you read the threads about people changing fluids, plenty of those folks say they still get crunchy/notchy shifts after changing the fluid, etc.. just another function of the car where function takes precedence over comfort/NVH/etc
Oil is oil.
Marketing is marketing.
People who think changing to a different brand of oil and thinking it makes a big difference are only fooling themselves.

And wasting their money.
And don't even get me started on my opinion of buying anything that has TRD on it.
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Old 11-03-2019, 02:31 PM   #54
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Oil is oil.
Marketing is marketing.
People who think changing to a different brand of oil and thinking it makes a big difference are only fooling themselves.

And wasting their money.
And don't even get me started on my opinion of buying anything that has TRD on it.
next you're going to tell me that rubber is rubber, and all tires are the same.

or all french fries are the same because they're all fried potatos.

the base product oil might be the same, but the other stuffs they put in there, friction modifiers and other voodoo make the different oils different.

different additive packages will result in different wear profiles.
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Old 11-03-2019, 02:50 PM   #55
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different additive packages will result in different wear profiles.
I get your point but IMO, meh. 80% technique and 10% confirmation bias.
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Old 11-04-2019, 11:22 AM   #56
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It is a good car. The biggest factor when I went with the CRZ was I had a 42 mile one way commute at the time. 6 months after I bought it my company moved airports and my commute went to 19 miles. I only had 25K on the car after 4 years.


The CRZ is a cool car for that purpose, and if you donít need much space. I like the looks of them also.


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