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  1. LF Info on 2008, 3800 Series 3 NA, HP boost

    Newbie Zone
    Ok big thank you to Dyno Brian for shedding a lil light on my problem with my 2008 3800NA series 3 "L26" i wana up my HP on my 2008 Pontiac Grand Prix 3800NA Series 3 but i gotta find a way after i get all my parts together as to how im going to get around the tuning issue's of the New style...