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06-25-2009
I have a 2001 grand prix gtp. I already have catback exhaust cold air intake transmission cooler 8.5mm spark plug wires. I want to add a supercharger pulley. What size should i go with to gain the most horsepower and what changes will i have to make?
06-25-2009
you dont have enough mods
06-25-2009
Hi, welcome.
06-26-2009
ok thanks...what if i went with the Magnuson nose drive which comes with a 3.4 pulley?
06-26-2009
^ u need more exhaust flow before u can drop. u need a 3inch downpipe and also headers or a front plog. also u need a 180* thermostat and colder spark plugs. most run the autolite 104s when dropping to a 3.4 and u will also want a tune when u are finished. get a pcm from intense, overkill, or TDC.
06-26-2009
magnuson nose drive is a waste of money, get a mps from zzperformance
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