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Old 09-29-2004, 08:20 AM   #1
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Default Changing the supercharger pulley?

What else would be needed if I change the pulley and has anyone done this? What size pulley did you go with and were there any sacrafices to the "day to day" runability compared to true stock?

Tom
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Old 09-29-2004, 08:44 AM   #2
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You need a special puller because the pulley is shrunk onto the */C shaft with a very tight interference fit. The pulley is pretty flimsy and a regular jaw style gear puller will just destroy the outer part without removing the hub.
A 3.4" would be right for your situation since you have no other modifications. Most people now are buying the modular style pulley which allows you to change a pulley simply by unbolting the old and installing the new without the hassles of the interference fit. You may be able to rent the puller from who you buy the new pulley from.
The only difference you'll notice is at WOT in terms of drivability.
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Old 09-29-2004, 11:04 AM   #3
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If you put your location in your profile, a member near you with a puller might be able to help.
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Old 09-29-2004, 12:30 PM   #4
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Default Puller

Anyone close to Missouri :P I've had my pulley sitting in my garage for....5 months now
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Old 09-30-2004, 03:02 PM   #5
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I'm in Bloomfield MI. The extent of the mod'* I plan may take me to minor engine tweeks and exhaust. Is the 3.4 still the best choice? Where did you get it?
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Old 09-30-2004, 03:33 PM   #6
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I got mine from ZZPerformance, they also rent which is the way to go as you only need it once. I went with the modular pulley system which now allows me to swap out the pulley in minutes with no pulley puller.
The 3.4" is good size to start with untill you upgrade your exhuast (headers) and valvetrain.
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Old 09-30-2004, 11:13 PM   #7
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yeah rent one if your a do it yourselfer, or find your local grand prix club, there'* always a pulley guy or 2. Ours charges 40 I believe. Mine was free though
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