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Old Jul 28, 2002 | 01:00 PM
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Default vtec engagement
when does vtec engage on a b18c? sorry if this sound stupid h:



tia
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Old Jul 28, 2002 | 01:12 PM
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4400 i think
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Old Jul 28, 2002 | 02:19 PM
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I thought it was 5600, I may be wrong tho.
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Old Jul 28, 2002 | 02:24 PM
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Originally posted by alnen
I thought it was 5600, I may be wrong tho.
thats the secondaries
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Old Jul 28, 2002 | 03:06 PM
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I thought it was 4500.
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Old Jul 28, 2002 | 04:37 PM
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i'm pretty sure vtec on a b18c hits at 4400, and i know the secondaries open up around mid 5000's
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Old Jul 28, 2002 | 04:52 PM
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vtec at 4400, secondary at 5800
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Old Jul 28, 2002 | 11:47 PM
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one more question...is the vtec engagment or secondaries opening noticable from inside?
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Old Jul 29, 2002 | 12:36 AM
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When the secondaries open up the pitch of the exhaust note changes signifigantly. the cams switching over is not really that noticable as far as exhaust goes. The more exhaust and intake mods the more noticeable the change is (or so i hear)
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Old Jul 29, 2002 | 03:52 AM
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There is a slight audible difference with the exhaust at 4400...the secondaries are a lot more noticable, esp. with the intake at 5750.
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