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Discussion Starter #1
i have an LB7 2003 are these specs correct?
Power / Torque: 300 bhp (220 kW) @ 3100rpm / 520 lb·ft (705 N·m) @1800 rpm
if so what can i expect with the efi live 125hp tune and the upgrades in my signature?? im thinking right around 400 HP, to the rear wheels??
 

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Discussion Starter #4
so then with my mods, i got around 350 MAYBE currently
 
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