Bouncy transmission. - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

empower-auto · 05-04-2013, 04:57 AM

I can't be alone here .. over bumps and when sliding on anything other than a perfect surface I can feel the tranny bouncing around. Bad news bears. What's the best cost-effective fix for this currently available?

DriftEightSix · 05-04-2013, 08:27 AM

how do you know its the tranny and not the diff?

Calum · 05-04-2013, 09:10 AM

^^that.

There's a couple of different answers to this: The STI mount, Whiteline and KartBoy inserts, Cusco ring, and Perrin bolt. After looking at the options I'm going with an insert. I like that it should stiffen things without eliminating movement which can cause a lot of stress in a very localized area. The STI wasn't available when I ordered and looks like a better part (to me anyway). But the price difference would have led me to the same decision.

There's a similar list of options for the diff. Have a look around the board and a few vendors sites. You'll get an idea of what your options are. Just make sure you look at things objectively and don't get hung up on branding.

JerryMichaels7 · 05-04-2013, 10:01 AM

You mean wheel hop??

g0lden · 05-04-2013, 02:40 PM

maybe the LSD making the tires scratch while turning?

kask2_6.0 · 05-04-2013, 03:05 PM

Quote:

Originally Posted by empower-auto

I can't be alone here .. over bumps and when sliding on anything other than a perfect surface I can feel the tranny bouncing around. Bad news bears. What's the best cost-effective fix for this currently available?

The transmission brace uses a very soft rubber and allows a lot of movement. There are a few options stiffening this mount. The whiteline bushing insert is cheap and very effective.

http://ft86speedfactory.com/whitelin...t-kit-307.html

05-04-2013, 04:57 AM	#1
empower-auto Kouki-Monster Join Date: May 2012 Drives: 2013 Scion FR-S Location: Saskatoon, SK Posts: 1,137 Thanks: 11 Thanked 562 Times in 261 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	Bouncy transmission. I can't be alone here .. over bumps and when sliding on anything other than a perfect surface I can feel the tranny bouncing around. Bad news bears. What's the best cost-effective fix for this currently available? __________________ Rich Anderson EMPOWER AUTO

05-04-2013, 08:27 AM	#2
DriftEightSix Pegasus White Join Date: Jun 2012 Drives: 86 Location: Brisbane. Posts: 973 Thanks: 646 Thanked 126 Times in 104 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	how do you know its the tranny and not the diff? __________________ Driving: Pegasus White Manual GTS 86.

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05-04-2013, 09:10 AM	#3
Calum That Guy Join Date: Dec 2011 Drives: 2013 asphalt FRS MT Location: Halifax, Nova Scotia Posts: 4,865 Thanks: 5,058 Thanked 2,868 Times in 1,499 Posts Mentioned: 82 Post(s) Tagged: 1 Thread(s)	^^that. There's a couple of different answers to this: The STI mount, Whiteline and KartBoy inserts, Cusco ring, and Perrin bolt. After looking at the options I'm going with an insert. I like that it should stiffen things without eliminating movement which can cause a lot of stress in a very localized area. The STI wasn't available when I ordered and looks like a better part (to me anyway). But the price difference would have led me to the same decision. There's a similar list of options for the diff. Have a look around the board and a few vendors sites. You'll get an idea of what your options are. Just make sure you look at things objectively and don't get hung up on branding.

05-04-2013, 10:01 AM	#4
JerryMichaels7 Senior Member Join Date: Mar 2013 Drives: Whiteout FRS Location: South, Ga Posts: 348 Thanks: 19 Thanked 144 Times in 80 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	You mean wheel hop??

05-04-2013, 02:40 PM	#5
g0lden Senior Member Join Date: Dec 2012 Drives: 2013 Scion FR-S Argento Location: Houston, TX Posts: 190 Thanks: 71 Thanked 29 Times in 23 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	maybe the LSD making the tires scratch while turning?

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