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What RPM does Vtec engage on a p28?

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Old Mar 18, 2005 | 05:34 AM
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Default What RPM does Vtec engage on a p28?

Just as the title says, what RPM does the vtec engage on a p28 ecu?

I have heard 5500, along w/ 4800.

I'm running my p28 on my SOHC mini me swap, and vtec is hard for me to hear on a SOHC.

So, what rpm does it engage at??

I'll probably end up hooking up a small vtec light in my si cluster this year. Rice or not, I want to know when my ****'s working.

Thanks everyone,

Jeremy
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Old Mar 18, 2005 | 08:53 AM
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Bump?
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Old Mar 18, 2005 | 11:01 AM
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Bumpers
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Old Mar 21, 2005 | 04:25 AM
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Anyone?
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Old Mar 21, 2005 | 08:10 AM
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Default Re: (LilLowEK)

all p28's that I have tried in my car kick in at 5000RPM.
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Old Mar 21, 2005 | 08:57 AM
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5000? Never heard that one before.
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Old Mar 21, 2005 | 09:54 AM
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it depends on the throttle load, but its usually around 4800-5000rpm.
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Old Mar 21, 2005 | 10:05 AM
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Default Re: (Katman)

Okay. Thank you.
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Old Mar 21, 2005 | 10:14 AM
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Default Re: (LilLowEK)

np...
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Old Mar 21, 2005 | 07:40 PM
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Default Re: (Katman)

my dyno graph says vtec enabled at 4800 on a stock p28
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Old Mar 21, 2005 | 09:28 PM
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Default Re: (blackeg)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by blackeg &raquo;</TD></TR><TR><TD CLASS="quote">my dyno graph says vtec enabled at 4800 on a stock p28</TD></TR></TABLE>

is that off an unchipped p28?
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Old Mar 21, 2005 | 09:50 PM
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Default Re: (JDMwongsta)

4800 on my old stock P28.
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Old Mar 22, 2005 | 04:00 AM
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Okay, I got a stock virgin p28 ecu.
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Old Mar 22, 2005 | 06:49 AM
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Default Re: (JDMwongsta)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JDMwongsta &raquo;</TD></TR><TR><TD CLASS="quote">
is that off an unchipped p28? </TD></TR></TABLE>

ecu was unchipped
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