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Old 10-13-2009, 12:10 PM   #1
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Quote:
Originally Posted by 23109VC
i guess what I"m t rying to figure out is whether a cayman / new boxster mount for $170-200 (whatever is costs) is the same/worse/better than Pedro'senthusiast mount, which is only $100 w/core - for an "enthusiast" type driver like me.
I'm holding the 987 Porsche mount in my hand right now and it's easy to see that there is a lot more rubbery meat in Pedro's product. That will likely equate to more engine vibration in the cockpit. We want to correct broken mount symptoms, not necessarily make it stiffer and cause other vibrations, etc. If my new mounts fails early, I may look into other alternatives then.
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Old 10-13-2009, 09:30 PM   #2
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Engine mounts are designed as a compromise, just like most components on a street car.

The greater the mount's ability to dampen vibration in the cabin, the more the engine is moving around under lateral acceleration or cornering loads, although the ride is comfortable.

If the mount is made solid, the engine doesn't move and therefore the car handles better at turn-in, less torque is lost lifting the motor under hard acceleration and gear change under heavy acceleration feels more precise. Downside is of course a harsher ride.

The decision really comes down to how hard you drive your car and what tolerance you have for vibration. The issue of the part's longevity is really secondary.
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Old 10-13-2009, 09:51 PM   #3
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Quote:
Originally Posted by Daniel R
Engine mounts are designed as a compromise, just like most components on a street car.

The greater the mount's ability to dampen vibration in the cabin, the more the engine is moving around under lateral acceleration or cornering loads, although the ride is comfortable.

If the mount is made solid, the engine doesn't move and therefore the car handles better at turn-in, less torque is lost lifting the motor under hard acceleration and gear change under heavy acceleration feels more precise. Downside is of course a harsher ride.

The decision really comes down to how hard you drive your car and what tolerance you have for vibration. The issue of the part's longevity is really secondary.
nice explanation. i think you pretty much nailed it. like many things with cars, it's all a trade off.

my Boxster is NOT my DD, so I'd by okay with some vibration in exchange for better turn in, shifting, etc. as long as it's not a "ton".... i need to find someone local who has one and go for a spin to see how "bad" the vibration reallhy is.....
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Old 10-14-2009, 02:22 AM   #4
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Quote:
Originally Posted by 23109VC
nice explanation. i think you pretty much nailed it. like many things with cars, it's all a trade off.

my Boxster is NOT my DD, so I'd by okay with some vibration in exchange for better turn in, shifting, etc. as long as it's not a "ton".... i need to find someone local who has one and go for a spin to see how "bad" the vibration reallhy is.....
I'll let you know Friday after my Pedro racing mount is in. My car is my DD, so the results will be interesting.

If you happen to find yourself "Down Under" in the next week or two I would be happy to take you for a spin. ;-)
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Old 10-14-2009, 09:05 PM   #5
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I don't know that you'll be happy with the racing mount in a daily driver. I have the enthusiast version and while the shifting is way better, the vibration is significant. I ended up pulling it out a couple weeks ago and drilling a few more holes in it. The vibration is reduced, but still there a little. Its a livable compromise for now.

Bobiam, to be honest, the install isnt that bad. I used jack stands and a scissor jack (with a 2x4) and I have it down to removed/drilled/installed in less than 1.5 hours. To me, it is better to have something liveable as opposed to long lasting, since I dont mind crawling under the car and working on it. If I hadn't drilled it out, I don't know that I could have lived with the vibration.
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Old 10-14-2009, 09:06 PM   #6
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On another note, Pedro is a super nice guy and makes good stuff. One of the rare guys you will find that is knowledgeable and easy to work with.
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Old 10-15-2009, 02:14 AM   #7
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+1 on Pedro being a great guy. It is rare to find an internet vendor with integrity, let alone one who is a nice guy as well. I will be a repeat customer, that is for certain.

Now I am doubting as to whether I have made the right choice going with the racing mount??? I will find out tomorrow I guess, and if it is too rough I suppose I can just drill the appropriate holes and re-install.

Will post tomorrow with my thoughts.
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