From what I've read, although V8's aren't perfectly balanced, they nearly are, so I'm sure that advanced motor mounts (liquid filled) are probably enough to even out any un-smooth characteristics.

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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".