6sp VTEC switchover, when? - Honda Accord Forum : V6 Performance Accord Forums
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Old June 16th, 2004, 07:17 AM   #1
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6sp VTEC switchover, when?

I estimate the normal VTEC switchover is around 4900 rpm and I guess the rev limiter kicks in at 6900. But isn't there also a point where something switches over in the intake plenum as well?

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Old June 16th, 2004, 07:24 AM   #2
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Mine starts sounding different at around 3000-3200 and starts pulling at around 4500.
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Old June 16th, 2004, 07:26 AM   #3
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The little hump at 4k is the manifold switchover.

http://mywebpages.comcast.net/stevte...ord6mtdyno.jpg
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Old June 16th, 2004, 10:01 AM   #4
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I thought it was 4800.
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Old June 16th, 2004, 01:59 PM   #5
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Sound difference (nothing changes) at 3000RPM
Manifold switchover part 1 (start of powerband) with sound change, 4000RPM
VTEC (part 2, obviously different sound) at 4800-4900RPM. (not sure of where it is exactly, but I'm assuming 4800)
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Old June 17th, 2004, 06:14 PM   #6
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It is 4900 rpm for Vtec crossover.



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