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i have a 3.25 pully i need to put in my car. i just wanted to no what do i all need done bf i put this on? or can i put it on now and will it hurt anything if i do this? i have a catback, coldair intake in all rdy.
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pcm, headers, rockers, or cam, or intercooler
yes your car will be slower if you pit on 3.25 without any mods.
look up knock retard at top of this section of the forum
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thx alot this will help me.