Quote:
Originally Posted by DGthe3
Its not about the engine output, you can get an I4 to rival some V8s in power and torque if you really want. But you can't recreate the smoothness. You can make it better, but its not the same. I don't want to get into explaining 1st and 2nd order balancing but a V6 has 2 advantages over an I4 that can never be duplicated no mater how high tech you make the engine.
Smoothness of Power: A V6 always has 2 cylinders firing (one near the beginning of its power stroke and one near the end). This is impossible to achieve with a four cylinder engine. The result is a much more uniform power delivery, which is a desirably quality in a luxury car. The more cylinders you have, the smoother the power.
Reduced Vibration: While a V6 isn't close to ideal, it is better than I4's. Even with damped mounts and such, vibration will be transmitted through the chassis. Vibration characteristics vary with engine configuration and displacement, but a small V6 has less vibration than an I4 of similar size or power. It is possible to practically eliminate the dynamic imbalance with a V8.
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I am not disputing that the smoothness is there, what I was saying is that if the market has it and calls for it I believe buick should rock it!