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YOUR RESEARCHMotor mounts in...FINALLY.
Leading reported evidence
Replace mounts
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replaced old mounts with new Porsche ones...there was quite a bit difference between the two
Leading evidence: 'Replace mounts' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'dumb question....but...what is "nvh"' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Replace airbox and air pump: 5 minutes' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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this is probably a dumb question....but...what is "NVH"
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Suggestion
To replace my worn mounts, I originally went with Torque Solutions semi solid mounts.
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Suggestion · Original poster
There is a small hole drilled in the aluminum...if you insert and tighten a sheet-metal screw in said hole, it prevents things from moving and makes it possible to tighten the nut.
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My WEVO semi-solid motor mounts have been sitting on the bench since mid August, and I _finally_ got around to the install on Saturday.
These were a snap to install - I anticipated it being easy, but I didn't imagine it would be THAT easy. The only installation issue I had was that the mount spun in the housing when I attempted to tighten the nut that supports the engine carrier. There is a small hole drilled in the aluminum...if you insert and tighten a sheet-metal screw in said hole, it prevents things from moving and makes it possible to tighten the nut.
The passenger seat no longer vibrates, I no longer have wheel-hop when the rear end breaks loose, and shifts feel much notchier. I'm very happy with the upgrade. As far as the concern with noise/vibration, I have nothing negative to convey.
You can see the hole I used to keep the center part of the mount from rotating when tightening the main carrier nut.
Yup - I did mine recently. Even going to new OEM mounts reduced the driveline slosh and the car feels better during cornering. Oh yeah, and your exhaust tips won't sag anymore!
Thanks for the heads up on the sheet metal screw. Worked like a charm.
My car has 90K on it and the old mounts were shot.
WEVO yellow mounts...better shifting, snappier feel on acceleration and slight increase in noise/vibration delivers a visceral experience that I expected from the car but did not get when I purchased it (68,000 miles).
I like the WEVOs but would be hard pressed to say they are different feeling than brand new stock ones would be. I suspect they will last longer given the difference in construction.
They are about 2x the price of stock mounts.
I went with the RSS, which look similar to the Wevo's, as well. It's hard to describe what a big difference new mounts make after riding on the old / worn out originals!
Sounds scary: Support engine with jack, loosen two engine carrier nuts.
In reality: Not scary at all.
This is MAYBE a 30-minute job; a ratchet, a couple of sockets, and a jack are the required tools.
* Remove factory airbox: 5 minutes
* Move air pump out of the way: 5 minutes
* Unbolt OEM mounts: 5 minutes
* Drop in new mounts and tighten 4 bolts and 2 nuts: 10 minutes
* Replace airbox and air pump: 5 minutes
"THAT easy" is
really
easy.
There is still some wheel hop - once you see how the engine is supported, it becomes clear that you can't really eliminate it entirely without completely solid mounts. With the WEVO mounts, it no longer feels like the engine is going to rip off the back of the car when the rear end breaks loose under acceleration.
Love my RSS and would never go back to OEM.
That said RSS, WEVO & GT3RS all basically seem to do the same thing so all will probably "feel" about the same I would think.
That sounds really really easy, really wanting to do this mod now. Shopping around for the mounts as we speak, any suggestions on where to get a good price?
Pelican Parts has OEM.
Mine were not that easy. A massively corroded set of bolts. It took a overnight soak with PBlaster and a long handle extension to get them loose. Significantly tightened up car movements and a fun DIY.
My California car has never seen a winter, or even that much rain, so I didn't have to PBBlast stuff, and no breaker bar was required. Seems like your mileage may vary...
I did mine on my east coast year round driver with no issues. I did spray the hardware with liquid wrench penetrating fluid the night before and made sure I could break loose each bolt and nut before I went full bore into it. It was actually almost TOO easy. Went with OEM mounts.
I've probably had them the longest here. No complaints and feel very similiar to any of the aftermarket poly mounts that I've driven. Really it's like any good tires or brake pads. They all do what they're suppose to do at some elevated level over stock but you will only notice the last 10-20% of the performance of them at the limits to be able to tell a noticeable difference between them.
It basically boils down to if you wanna pay extra for the shiny packaging and polish.
We offer both OE replacement mounts by Corteco as well as the WEVO semi-solid mounts for the 996. You may read further product information
here
.
Also, we created an easy-to-follow instruction guide on how to swap your engine mounts which you may follow
here
.
Let us know if you have any questions.
Mark/Pelican Parts
To replace my worn mounts, I originally went with Torque Solutions semi solid mounts. NVH was unacceptable -- pronounced vibration throughout the car between 3500 - 5000 RPM (i.e. the Happy Zone). I took them out and replaced them with a set of OEM mounts from Pelican. All is well again.
I'm thinking that one of the TS mounts may have been defective, or maybe I had track mounts instead of street mounts ... I need to follow up with TS, but it felt almost like I'd imagine a solid mount to feel. Based on how the car felt, it's hard for me to believe that the mount was providing any isolation at all.
I have x74 suspension, RSs mounts and FF1 yellow transmission insert and can tell you NVH is barley noticeable and within a few months you get used to the minimal amount there is.
DONE! Thanks to Sneaky Pete for his expertise, lift and assorted tools.
I repaid him in Pale Ale.
I need to drive it a bit more but they feel good so far.
Btw, I drove Pete's car with the new engine, short shift and handling package and it's great. A good car for someone out there!
TC
ETA: Sharp viewers will note the "stick" supporting my deck lid.
A replacement strut is inbound as we speak...
I tried ordering the RSS mounts last month and never heard anything from them except for the automated email confirmation after leaving messages and emails asking for the status of my order. I will be ordering the RS Style mount from Porsche. Note that they did not ever charge my card. My guess is they may have gone out of business.
I've had RSS Tarmac Series semi-solid mounts for about 18 months and I like them a lot. A subtle but welcome change in shifting and handling. Makes the car feel new again.
Road Sport Supply seems like a thriving company; I'd be surprised if they went out of business. Can anyone confirm that?
I replaced the original mounts about 8 months ago and the left side tip stayed the same....about an inch below the right side...think the dealer did something wrong?
I am sure you checked this, but when my buddy and I did mine we realized that one side was not matched up perfect with the square cutout in the body. After a little adjustment it was perfect and now my exhaust tips are right up in the bumper. I have seen other similar errors on other forums, so it can definitely happen!
Thanks 5CHN3LL! Ordered a set from Pelican this morning. My Fister D mufflers are arriving next week. I plan to order a GT2 Shifter and have some fun installing everything next weekend.
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