M90 Supercharger difference in 1997 vs 1998-2004 models

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M90 Supercharger difference in 1997 vs 1998-2004 models by DimeMachine

Started on	: 06-08-2013 10:59 AM
Replies	: 3
Last post by	: 1fast2m4 on 06-08-2013 04:44 PM

DimeMachine
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Report this Post06-08-2013 10:59 AM

There is a different supercharger part number for 97 vs 98-2003. Anyone know specifically what the difference(s) is/are and if they are interchangable?

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84 NB, 3800SC, E-85, VS Cam, 3.0 Pulley, 4T65E-HD, HP Tuners, AEM Wideband, Regal GS Gauges, S-10 Brake Booster. 1/4 mile -12.05 at 111.7mph

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sco77
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Report this Post06-08-2013 12:00 PM

The only thing different is the vacuum setup, 97 had the older style vacuum setup. Then 2004-2007 GP had newer GenV supercharger.

97:

98+:

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86 Fiero GT 4spd - (pending L67 swap: VS cam, GenV) Build Progress eta: 7/8-13
98 GTP - Some mods

[This message has been edited by sco77 (edited 06-08-2013).]

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DimeMachine
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Report this Post06-08-2013 12:44 PM

Thank you !

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1fast2m4
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Report this Post06-08-2013 04:44 PM

I guess technically the PN would be different because the 98+ blower housings aren't drilled to accept that Vacuum tree, other that that there the same

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1986 SE 3800SC/4t65eHD (12.871@104.96)
1985 GT 3800SC (swap in progress)

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