Is it better to order a new rebuilt engine (crate) or should I have a local shop on 2007 Mercedes-Benz E63 AMG

Are there local tuners who can rebuilt my existing engine and get me a lot more HP/Torque for the same $$$$ ?

by in Santa Monica, CA on April 30, 2013
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1 answer
ANSWER by , April 30, 2013
horse pwr may = smog issues, BE CAREFUL