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Old 10-23-2006, 12:38 AM   #7
Scooby Specialist
Member#: 36528
Join Date: May 2003
Location: florida
2002 Impreza Wrx


Your second question is the answer to your first..... Progressive does not equal better or anti-hesitating, even though some progressive kits might live upto those myths when used correctly on the right setup. A 2 stage #1 could give less and more flow when needed compared to a #2 or 3 that's based only on boost. This basically means the 2 stage #1 would have less chance of creating hesitation and more chance of helping the engine perform better compared to the #2-3. It also costs less.

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Last edited by hippy; 10-23-2006 at 04:38 PM.
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