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Old 03-03-2002, 08:46 PM   #1
Kevin Thomas
Street Racing Instructor
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Member#: 110
Join Date: Jul 1999
Location: 1997 OBS, 1996 SVX, 1988 RX
Vehicle:
1989 1989 XT6

Question Intake diameter vs throttle body diameter

I think I asked this a while back but forgot what the answer was. What is the difference between having say a 3" intake on a 2.5" throttle body inlet vs a 2.5" intake on a 2.5" throttle body inlet? I know velocity is a factor. Thanks!
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