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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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03-16-2022, 01:53 PM | #15 | |
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Sent from my ONEPLUS A5010 using Tapatalk |
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03-16-2022, 02:02 PM | #16 |
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It for sure won't be as durable, I don't think it will be too bad though. I have some fiberglass reinforced nylon options I am looking at from some of the motion control companies I deal with. I am willing to give it a go for science.
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The Following User Says Thank You to NoHaveMSG For This Useful Post: | norcalpb (03-16-2022) |
03-17-2022, 07:28 AM | #17 | |
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When any single part of that system is compromised from standard, the whole shift system vibrates/rattles. The engineers even added a "shift lever damper" into the first connecting joint structure. That said, my first joint doesnt have the play in it that NoHaveMSG has, on mine (and others I've played with) the shaft rod end moves within the seal. But it is possible that most of the boxes I've looked at are fairly low km units (mine included). I've tried a couple of versions of the soft washer idea, and it doesnt really work too well. I've also tried the opposite idea of (very) hard packing the washers...and that didnt work either. I also tend to agree that drilling out the entire bush on the first link (below the gear lever), and replacing it with a flexible liner of some sort might be the best option....but very difficult. I've even considered attaching small containers 3/4 full tungsten (granules) to the main shift control shaft to see if that might dampen the vibration.... Last edited by grumpysnapper; 03-17-2022 at 07:46 AM. |
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03-17-2022, 08:00 AM | #18 | |
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I'm not really convinced you can replace the bushing with something soft enough to be quiet but still function properly. If you could machine an Oring groove in the bushing, that would be ideal. The Oring would prevent rattle while yielding to shifter actuation. I have my doubts that will be possible though. Have you tried wrapping the shift arm joints in something elastic that will allow them to finding, but hold them right enough to not rattle? Sent from my ONEPLUS A5010 using Tapatalk |
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The Following User Says Thank You to Ashikabi For This Useful Post: | grumpysnapper (03-17-2022) |
03-17-2022, 09:03 AM | #19 | |
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Some sort of long silicone rubber type strip, wound around the joint(s), could potentially work quite well! |
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03-22-2022, 08:12 PM | #20 | |
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I'm wondering if the shifter itself isn't the issue, but rather acts as a tuning fork for whatever resonance is already present.
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The Following User Says Thank You to redlined600 For This Useful Post: | kevaughan (03-24-2022) |
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