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p30 vtec engagement?

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Old Dec 6, 2007 | 03:35 AM
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Default p30 vtec engagement?

can anybody tell me when vtec is supposed to engage on a p30 ecu?
i have a virgin p30 ecu(i think) on my gsr and ive noticed vtec engagement is at 5400-5600rpm, is that right?
thanks in advance h-t


Modified by polishedturd at 4:45 AM 12/6/2007
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Old Dec 6, 2007 | 04:37 AM
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Default Re: p30 vtec engagement? (polishedturd)

thats about right, gsr's vtec engages at 4400...
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Old Dec 6, 2007 | 04:49 AM
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Default Re: p30 vtec engagement? (VRD^sam)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VRD^sam &raquo;</TD></TR><TR><TD CLASS="quote">thats about right, ...</TD></TR></TABLE>


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Old Dec 6, 2007 | 08:48 AM
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Default Re: p30 vtec engagement? (polishedturd)

well, on the stock gsr ecu used with a gsr motor w/ the stock intake manifold...vtec x over is at 4400 rpm and the iabs open at around 5700 rpm. If you take a p30 ecu and run it on a stock gsr, I believe the IABS stay open and vtec is around 5700 rpm.
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Old Dec 6, 2007 | 09:56 AM
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Default Re: p30 vtec engagement? (iH8RICERZ)

[QUOTE=iH8RICERZ]well, on the stock gsr ecu used with a gsr motor w/ the stock intake manifold...vtec x over is at 4400 rpm and the iabs open at around 5700 rpm. If you take a p30 ecu and run it on a stock gsr, I believe the IABS stay open and vtec is around 5700 rpm.[/QUOTE]

are you sure about this?

has anyone heard of holding the iab diaphram valve ( its located outside the stock gsr manifold on the right side) open with a zip tie????? if so can you list any pros and cons of doing this, thanks.
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Old Dec 6, 2007 | 10:06 AM
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Default Re: p30 vtec engagement? (polishedturd)

If you leave it open, you lose mid-range power and torque.....reasoning why honda designed that type of intake manifold for the gsr.
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Old Dec 6, 2007 | 10:09 AM
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Default Re: p30 vtec engagement? (polishedturd)

http://www.xenocron.com/install/OBD1-IABs.htm

Maybe that will help you understand it better so you stop posting about iab's and bumping the post up every half hour. Seriously do a google search, do your own research it really isnt that hard.
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Old Dec 6, 2007 | 10:14 AM
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Default Re: p30 vtec engagement? (St Jimmy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by St Jimmy &raquo;</TD></TR><TR><TD CLASS="quote">http://www.xenocron.com/install/OBD1-IABs.htm

Maybe that will help you understand it better so you stop posting about iab's and bumping the post up every half hour. Seriously do a google search, do your own research it really isnt that hard.</TD></TR></TABLE>

im sorry i must have mistaken this for a forum that we ask questions and discuss them with other honda enthusiasts. my bad
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Old Dec 6, 2007 | 10:24 AM
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Default Re: p30 vtec engagement? (polishedturd)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by polishedturd &raquo;</TD></TR><TR><TD CLASS="quote">

im sorry i must have mistaken this for a forum that we ask questions and discuss them with other honda enthusiasts. my bad</TD></TR></TABLE>

Thats exactly what it is. I assume your not a retard, and most people with a tad bit of intelligence would know to search first. Do you think your the only one that has questions about IAB's?
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