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thanks for replying fester. so if I get a ls9 vette pump I'll be able to tune that in without getting a new ecm?

nobody huh.... sweet

hey fellas, newbie here. so I've done some mods to my 08 Denali (l92) like stage 2 cam, upgraded valve train, bigger throttle body, and 1 7/8" headers and exhaust. I also put bigger fuel injectors....