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how much horse power?

661 Views 1 Reply 2 Participants Last post by  smokey30265
i have a 03 LB7 and i have the ats epower tuner. im about to order a new transmission next month and a lift pump. what is the max horse power i can expect outta it
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If you put the ats on level 10 it will be around 500 to the wheels
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