Haha, don't expect quick responses like that all the time, Most of the people with the real answers aren't here today, they are doing an event in georgia this weekend, a track day tonight and a dyno day tomorrow. Info is on the main page,
Power Hungry Performance - Feed your hunger for POWER!, I'm too far away to go, plus since I actually knew this answer so I thought I would answer it for ya
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What kind of truck do you have?