2007 Impala ls modding
peice together an intake and exhaust..
i think milky motorsport has internals.. and idk depends what he wants to do. this is all from memory so dont hold me to this..lol
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The 3.5VVT in particular has a very conservative factory tune. I would focus on that if you want a bunch more out of it. Another thing GM did that kinda sucked, they run a 1200 rpm stall torque converter for the 3500VVT...I think they were really looking at fuel economy with the whole setup...
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