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YOUR RESEARCHMotor mounts.
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Mine were fine when I replaced but I've seen other that have split and lost fluid (the stock are fluid filled).
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I like the RS mounts, they are a solid rubber although much smaller rubber piece than the stock fluid filled ones.
Install wevo semi-solid 997 motor mounts in my '03 c2
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I installed WEVO semi-solid 997 motor mounts in my '03 C2.
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Mine were fine when I replaced but I've seen other that have split and lost fluid (the stock are fluid filled).
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less flex over bumps, shifter seems more directly connected (also replaced the stock plastic linkage with an aluminum billet linkage), cornering seems more composed
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less flex over bumps, shifter seems more directly connected (also replaced the stock plastic linkage with an aluminum billet linkage), cornering seems more composed
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Isn't Turbo mount is hydraulic too?
How about 993 RS mount?
12. 964.375.043.80 Engine Mounts (qty 2)
13. 901.305.311.00 Seat (qty 4)
15 999.025.074.02 Washer (qty 4)
16. 999.025.134.02 Washer (qty 4)
The OEM bolt is 105mm, you will need 120mm for 996.
Anybody here running the RS mount?
The reality is that I still commute in this car. There is a point where vibration at idle would get tough to live with in traffic...
That's what I'm running, all parts ordered from Gert. A very easy DIY, follow this...
http://p-car.com/diy/motormount/
It's for a 993 but works pretty much the same.
Makes the shifting and power delivery more precise, hardly any increase in cabin vibration. A very worth while mod for that performance feel...
Leak, look at your exhaust tips from the rear, sometimes you can actually see the sag. Mine were fine when I replaced but I've seen other that have split and lost fluid (the stock are fluid filled).
For such an easy DIY and cost I'd recommend any higher mileage cars to look into it...
In my case, with the car on the hoist, you could grab the mufflers and rock the engine from side to side to an alarming degree. You can't imagine how this affects the feel of a car until you correct it.
The reviews for the 993 RS option sound like what I'm looking for, plus I'm encouraged that somebody sells it as a kit (that means there's a market, which means it suits a lot of people). So that's where I'm leaning. Will be interested to get perspective from my tuner guy.
I installed WEVO semi-solid 997 motor mounts in my '03 C2. If you search posts by me here on RL you will see a long write-up I did. More than a year later and I am still a happy camper. Minor increase in engine vibration in the cabin, but nothing a passenger would notice. No additional noise. Totally eliminated the stock mounts' vertical and lateral heaves under track driving and over bumps. This is a win-win mod from my perspective.
I have been wanting to do the motor mounts as well. As mention Gert Carnewal sells this as a package. No affiliation here. They call it "Rennsport Motor Mounts for P96/P97" and it runs around $400 USD. Looks to be made of parts from 993's and the correct hardware for our cars.
I just had these installed in my race car. They work great in terms of keeping the drive from moving about so much under load. Very difficult however to evaluate how they would be on a commute. I doubt they would be bad, but my race car is so loud and rough riding that I really can't evaluate vibration.
Most people also get a invalid/biased opinion since they are usually replacing an old worn or blown out mount/mounts with a new stiffer one.
Yes, they transfer more vibrations which = some more noise.
Yes they make the car handle better, shift better.
Each individual must decide if the compromise is good for them. I like the RS mounts and feel they are a great compromise from doing a solid mount.
Solid mounts are good for race cars provided that they get looked at and nut n bolted every weekend, and also have parts cycled out based on time before failures occur. But solid mounts don't belong on street cars, IMHO.
Sorry, I guess I wasn't too clear.
I like the RS mounts, they are a solid rubber although much smaller rubber piece than the stock fluid filled ones.
The Cup car are the solid mounts,as well as a few other aftermarket copycats, solid meaning all metal with no compliance and lots of vibrations.
Wevo makes a solid mount and a couple variations of a SS (Semi-solid) mount which uses a couple of small pillow style bushings. - I'm not sure the material they use, looks like a polyurethane of some sort, they claim harder than stock and I am sure it is.
Hope that helps make it clearer.
+1
definitely shift better especially after a sharp turn. I had the RS mount of both my P cars. Street ride did not bother me.
BTW. I bought the parts at Sunset a few yrs ago and were fair a bit cheaper.
Just started a thread on my RS engine mount installation -- just had the first drive after and my response is WOW! Rock-solid feel, esp going over bumps, and meshes well with the upgraded suspension (PSS9/GT-3 sways/links).
Well worth the $400 for the parts from Suncoast [look under "Engine - Performance" on the parts list] and $144 labor charge from my independent.
so like how is the ride quality on the street? what do you notice most about them when taking hard corners... does it reduce lean at all? quicker steering input?
less flex over bumps, shifter seems more directly connected (also replaced the stock plastic linkage with an aluminum billet linkage), cornering seems more composed
best way to say it that car feels more like a single block of metal -- more of a "unified" feel of driving one solid mass instead a bunch of parts screwed together, if that makes any sense [may all be in my head, but I like it!]
Those appear to be the turbo mounts not the RS mounts. The RS mounts are a little stiffer and will come with some washers and bolts. In my opinion the RS mounts are the way to go.
Yes, I do like it (RS) over the Wevo semi-solid, but let me explain that. For a race only car I think the Wevo's are fine although I do think they are stiff enough to add a few issues into the equation.
First, I have seen where a solid, and the Wevo Semi solids create a vibration that actually will trigger the knock sensor into backing power out. I have also seen where they do NOT cause this. Without a firm reason as to why they did it (exhaust frequency, maybe weaker knock sensor, etc etc ) I prefer not to run them to have the possible issue.
Second, I feel they transfer to much vibration thru the car which can,or will at some point, cause other failures.
Third, gogin so stiff in the eng mounts mean a greater strain on the trans mount which then causes it to fail. I know, just use the Wevo there then too right ? Ok, but then see issues 1 and 2 at an even greater degree.
I think, just my opinion, that the RS mounts offer a much greater feel and stiffness without creating any of the negitive potential of the other options.
Wevo makes great products no doubt or question there.
It's like everything we do , it's a compromise, and I will lose the last 10% of stiffness difference to not have to worry about the other potential downsides.
No if I had some unlimited cash flow customers that could replace parts every race or few races then I would be using solid Cup mounts, but thats an unlimited budget, no expense spared customer that wants to win at ALL costs. - If you know any of those guys, please send them my way.
Old thread, I know, but seems to be the best one on the subject for regular 996s, so why start a new one?
Anyway, anyone know of any advantages to the Turbo mounts? If they transmitted noticeably less vibration / created significantly less noise than the RS mounts, they might be a good solution for some. (Or better yet if they did not create noticeably more vibration or noise that stock.)
I need mounts but I am wondering if a floating feeling from the rear is more likely from the mounts or the rear suspension on a slightly bumpy, 70mph sweeper. I really think it's the mounts but have never owned a rear engine car and have been driving with coil overs for the last 10 years. I may just be looking for a reason to get the ROW suspension.
The car feels great in every aspect except this one. It feels like there is a 200lb ball rolling around in the rear during this time. That is an exaggeration but I think you know what I mean.
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