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04-25-2004, 05:56 PM
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#1 | |
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AF Regular
 Join Date: Apr 2004
Location: Spring Hill, Florida
Posts: 132
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Idle, Vtec?
at what rpms do preludes usually idle at? also at what rpms does the vtec kick in? just makin sure. Thanks
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04-25-2004, 07:15 PM
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#2 | |
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AF Enthusiast
 
Join Date: Jun 2002
Location: Auburn, Washington
Posts: 2,228
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Re: Idle, Vtec?
~700 RPM idle..
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 Soon.. Cars: 1990 Nissan 300zx Twin TurboSold Cars: 1976 Jaguar XJ-S - Rear end Donor to Chev Pickup |
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04-26-2004, 11:36 AM
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#3 | |
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Prelude Guy
 
Join Date: Jan 2004
Location: Fargo, North Dakota
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Re: Idle, Vtec?
IAB activates at 4600RPM, the VTEC solenoid activates at 4900RPM. This is on the OBD1 p13 from 93-96 Prelude VTEC's.
On the OBDII ECU from the +97 Preludes, I believe the two solenoids activate a little bit later. VTEC is at 5200RPM, and I forgot exactly where IAB engagement is at. It should be around 4900RPM. EDIT: Yup, it is 4900rpm.
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