986 Forum - The Community for Porsche Boxster & Cayman Owners

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-   -   Transmission mounts (http://986forum.com/forums/performance-technical-chat/82136-transmission-mounts.html)

Danimal 03-07-2025 06:35 AM

Btw, I ended up going with rein oem style mounts and poly filled the voids with 3m window sealant to stiffen them up (check YouTube videos). I’m not sure if poly filling them was worth it. I got a little more nvh but hard to tell much the extra stiffness helps.

Kdon 03-10-2025 08:07 PM

In! Love them. It was kind of a pita to install. I installed them without removing the aluminum brace. There is a sprew on the transmission that sticks down just shy of the brace. I put a jack under it on the aluminum brace and it worked great to support the transmission. I have the techno brace and just got an alignment and didn't want to fiddle with removing it all. Anyways car handling improvement is subtle to a passenger, and maybe subtle to some drivers, but noticeable to me in the ways I was after.
The car felt like one part, not two with the motor taking a set separately when turning harder or going over bumpy wavy road. It also felt more planted and stable. There is a very very low level of nvh increase, but honestly to a passenger it is entirely unnoticeable. Shifting and clutch engagement seem to be more crisp on takeoff from a stop. For most it may not be worth it, but for hustling canyon roads, and track and autocross days it's totally worth it. Again this had similar positive impact on my past 996, and I'm very happy it had similar effect on my boxster. I think a stiffer motor mount would help more for shifting but I've heard it transmits a bit more nvh, and I have a new 987 motor mount already so don't feel a need to get an even stiffer one yet.


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