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Old 08-05-2011, 04:32 PM   #1
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i have a 2004 impala ss with supercharged 3.8 serise 2 haw do i identify the supercharger the vin is 2g1wp521148176388
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Old 08-05-2011, 04:41 PM   #2
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They look a little bit different, this is a gen5


And this is a gen 3


One the gen 3 the throttle body mount is straight. On the gen 5 it'* off set a little bit. The bolt pattern is also different but that'* a bit harder to point out.
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Old 08-05-2011, 04:50 PM   #3
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theres no markings?
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Old 08-05-2011, 04:52 PM   #4
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Nope. If you can post a few pictures we should be able to tell for sure.
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Old 08-05-2011, 05:08 PM   #5
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will i have a problem if i drop my pully down to3.4 with out doing anything else and how much boost will i gain
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Old 08-05-2011, 05:35 PM   #6
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Yes, I don't suggest going smaller then a 3.5" on any engine without supporting mods like exhaust and rockers.
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