A 3.46 would make a noticeable difference but likely not hamper acceleration too badly. If you live in a flat, or mostly flat area close to sea level then a 3.08 would likely work as well BUT acceleration will definitely be affected. If you live in the hills forget it. I doubt either will make much difference in MPG since that 616 is giving all its got all the time already. It will make for a markedly quieter ride on the highway however. RT

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