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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.
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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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Cars:
2007 MDX - Wife's mommy mobile
2006 RL - My daily driver
2000 Boxster - Ocean Blue Base 5spd on Black Full leather. 18" wheels and M030.
Boxster mods I've added: Rear speaker kit, Painted Calipers, Painted Bumperettes, Painted Center Console, 987 Shifter Assembly, 3 Spoke Steering Wheel, Clear side markers, 03+ rear lights, de-snorkeled.
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