Horsepower needed!! | Chevy Impala SS Forum

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Impalalife01

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Joined Dec 8, 2014

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1 Posts

Discussion Starter · #1 · Dec 8, 2014

Made engine high performance but I am still not getting the horsepower I am looking for. Do I need to replace my ecm?

fbi9c1

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Joined Jul 11, 2005

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2,572 Posts

#2 · Dec 8, 2014

Yes, as soon as possible.

4DoorSS

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Joined Nov 7, 2008

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7,785 Posts

#3 · Dec 8, 2014

Agree...

350

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Joined Aug 5, 2005

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2,644 Posts

#4 · Dec 8, 2014

What was done and what year car? And probably yes.

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